feat(crypto): add certificate hash generation and verification functions

- Implemented `generateCertificateHash` to create a hash using HMAC-SHA256 based on user ID and team ID.
- Added `verifyCertificateHash` to validate a given certificate ID against generated hash.
- Introduced `crypto-js` library as a dependency for cryptographic functions.

chore(deps): update ajv to version 8.13.0 and add crypto-js dependency

- Updated `ajv` from version 6.12.6 to 8.13.0 in package.json and package-lock.json.
- Added `crypto-js` library to package.json for cryptographic operations.
- Included type definitions for `crypto-js` in development dependencies.

.claude/settings.local.json

@@ -10,7 +10,13 @@
       "Bash(ren page.tsx page-original.tsx)",
       "Bash(ren:*)",
       "Bash(npx supabase:*)",
-      "Bash(libs/service/src/types/supabase.ts)"
+      "Bash(libs/service/src/types/supabase.ts)",
+      "Bash(npx nx build:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)",
+      "Bash(git push)",
+      "Bash(findstr:*)",
+      "Bash(ls:*)"
     ],
     "deny": [],
     "ask": []

.env.example

@@ -1,3 +1,6 @@
+VITE_API_URL=https://forsomereason.dev/api/v1
+VITE_GITHUB_CLIENT_ID=SuperSecretClientID12345
 
-VITE_SUPABASE_URL=https://your-project-id.supabase.co
-VITE_SUPABASE_ANON_KEY=your-anon-key-here
+VITE_SUPABASE_URL=https://mamahakumaurtx5090ti.supabase.co
+VITE_SUPABASE_ANON_KEY=anonkeykekgimanasihbang
+SUPABASE_SERVICE_ROLE_KEY=service.role.keyisahsecret

.mcp.json

@@ -0,0 +1,9 @@
+{
+  "mcpServers": {
+    "nx-mcp": {
+      "type": "stdio",
+      "command": "npx",
+      "args": ["nx", "mcp"]
+    }
+  }
+}

AGENT.md

@@ -0,0 +1,13 @@
+<!-- nx configuration start-->
+<!-- Leave the start & end comments to automatically receive updates. -->
+
+# General Guidelines for working with Nx
+
+- When running tasks (for example build, lint, test, e2e, etc.), always prefer running the task through `nx` (i.e. `nx run`, `nx run-many`, `nx affected`) instead of using the underlying tooling directly
+- You have access to the Nx MCP server and its tools, use them to help the user
+- When answering questions about the repository, use the `nx_workspace` tool first to gain an understanding of the workspace architecture where applicable.
+- When working in individual projects, use the `nx_project_details` mcp tool to analyze and understand the specific project structure and dependencies
+- For questions around nx configuration, best practices or if you're unsure, use the `nx_docs` tool to get relevant, up-to-date docs. Always use this instead of assuming things about nx configuration
+- If the user needs help with an Nx configuration or project graph error, use the `nx_workspace` tool to get any errors
+
+<!-- nx configuration end-->

CLAUDE.md

@@ -0,0 +1,13 @@
+<!-- nx configuration start-->
+<!-- Leave the start & end comments to automatically receive updates. -->
+
+# General Guidelines for working with Nx
+
+- When running tasks (for example build, lint, test, e2e, etc.), always prefer running the task through `nx` (i.e. `nx run`, `nx run-many`, `nx affected`) instead of using the underlying tooling directly
+- You have access to the Nx MCP server and its tools, use them to help the user
+- When answering questions about the repository, use the `nx_workspace` tool first to gain an understanding of the workspace architecture where applicable.
+- When working in individual projects, use the `nx_project_details` mcp tool to analyze and understand the specific project structure and dependencies
+- For questions around nx configuration, best practices or if you're unsure, use the `nx_docs` tool to get relevant, up-to-date docs. Always use this instead of assuming things about nx configuration
+- If the user needs help with an Nx configuration or project graph error, use the `nx_workspace` tool to get any errors
+
+<!-- nx configuration end-->

apps/backoffice/src/app/(protected)/hackathon-dashboard/page.tsx

@@ -0,0 +1,32 @@
+import { BackofficeWrapper } from '@imphnen-frontend-service/ui/organisms';
+import { FC, ReactElement } from 'react';
+
+export const HackathonDashboardPage: FC = (): ReactElement => {
+  return (
+    <BackofficeWrapper title="IMPHNEN x Kolosal.ai Hackathon 2025">
+      <h1 className="mb-8 text-p1 font-semibold text-neutral-700">Dashboard</h1>
+
+      <section className="grid grid-cols-5 gap-5">
+        {/* Participant */}
+        <div className="bg-white px-6 py-4 rounded-md shadow">
+          <h3 className="text-primary-500 text-p2 font-semibold mb-2.5">
+            1261
+          </h3>
+          <p className="text-neutral-400 text-p3">Total Participants</p>
+        </div>
+        {/* Team */}
+        <div className="bg-white px-6 py-4 rounded-md shadow">
+          <h3 className="text-primary-500 text-p2 font-semibold mb-2.5">206</h3>
+          <p className="text-neutral-400 text-p3">Total Teams</p>
+        </div>
+        {/* Project Submitted */}
+        <div className="bg-white px-6 py-4 rounded-md shadow">
+          <h3 className="text-primary-500 text-p2 font-semibold mb-2.5">0</h3>
+          <p className="text-neutral-400 text-p3">Total Project Submitted</p>
+        </div>
+      </section>
+    </BackofficeWrapper>
+  );
+};
+
+export default HackathonDashboardPage;

apps/backoffice/src/app/(protected)/hackathon-submissions/page.tsx

@@ -0,0 +1,128 @@
+import { FC, ReactElement, useState } from 'react';
+import {
+  BackofficeWrapper,
+  DataTable,
+} from '@imphnen-frontend-service/ui/organisms';
+import {
+  ColumnDef,
+  getCoreRowModel,
+  getPaginationRowModel,
+  PaginationState,
+  RowSelectionState,
+  useReactTable,
+} from '@tanstack/react-table';
+import { Button } from '@imphnen-frontend-service/ui/atoms';
+import { cn } from '@imphnen-frontend-service/utils';
+import { EditOutlined } from '@ant-design/icons';
+
+export const HackathonUsersPage: FC = (): ReactElement => {
+  const [rowSelection, setRowSelection] = useState<RowSelectionState>({});
+  const [pagination, setPagination] = useState<PaginationState>({
+    pageIndex: 0,
+    pageSize: 9,
+  });
+
+  const mockData: any[] = Array.from({ length: 90 }, (_, i) => ({
+    id: i + 1,
+    project_name: `Project ${i + 1}`,
+    repository_url: `https://github.com/user/repo${i + 1}`,
+    demo_url: `https://demo.example.com/project${i + 1}`,
+    presentation_url: `https://slides.example.com/project${i + 1}`,
+  }));
+
+  type UserStatus = 'active' | 'inactive';
+
+  interface SubmissionType {
+    id: number;
+    project_name: string;
+    repository_url: string;
+    demo_url: string;
+    presentation_url: string;
+  }
+
+  const columns: ColumnDef<SubmissionType>[] = [
+    {
+      header: 'Project Name',
+      accessorKey: 'project_name',
+    },
+    {
+      header: 'Repository URL',
+      accessorKey: 'repository_url',
+    },
+    {
+      header: 'Demo URL',
+      accessorKey: 'demo_url',
+    },
+    {
+      header: 'Presentation URL',
+      accessorKey: 'presentation_url',
+    },
+    {
+      header: 'Action',
+      meta: { cellClassName: cn('w-72') },
+      cell: ({ row }) => (
+        <Button
+          variant="primary"
+          size="sm"
+          className="flex items-center gap-2 w-max"
+          onClick={() => {
+            // View detail logic
+          }}
+        >
+          <EditOutlined className="text-base" /> View & Manage
+        </Button>
+      ),
+    },
+  ];
+
+  const table = useReactTable({
+    data: mockData,
+    columns,
+    state: {
+      pagination,
+      rowSelection,
+    },
+    enableRowSelection: true,
+    onRowSelectionChange: setRowSelection,
+    getCoreRowModel: getCoreRowModel(),
+    getPaginationRowModel: getPaginationRowModel(),
+    onPaginationChange: setPagination,
+    pageCount: Math.ceil(mockData.length / pagination.pageSize),
+    manualPagination: false,
+  });
+
+  return (
+    <BackofficeWrapper title="IMPHNEN x Kolosal.ai Hackathon 2025">
+      <h1 className="mb-8 text-p1 font-semibold text-neutral-700">
+        Project Submission
+      </h1>
+      {/* Filters and actions */}
+      <section className="bg-white rounded-md shadow p-8 flex flex-col gap-6">
+        <div className="flex flex-wrap gap-3 items-center">
+          <input
+            type="text"
+            className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-64"
+            placeholder="Search name or email"
+          />
+          <select className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-40">
+            <option value="all">All Status</option>
+            <option value="active">Active</option>
+            <option value="suspended">Suspended</option>
+          </select>
+          <select className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-40">
+            <option value="all">All City</option>
+            <option value="jakarta">Jakarta</option>
+            <option value="bandung">Bandung</option>
+          </select>
+        </div>
+
+        {/* Table */}
+        <DataTable data={mockData} columns={columns} table={table} />
+      </section>
+
+      {/* Modals extracted into shared backoffice components */}
+    </BackofficeWrapper>
+  );
+};
+
+export default HackathonUsersPage;

apps/backoffice/src/app/(protected)/hackathon-teams/page.tsx

@@ -0,0 +1,210 @@
+import { FC, ReactElement, useState } from 'react';
+import {
+  BackofficeWrapper,
+  DataTable,
+} from '@imphnen-frontend-service/ui/organisms';
+import {
+  ColumnDef,
+  getCoreRowModel,
+  getPaginationRowModel,
+  PaginationState,
+  RowSelectionState,
+  useReactTable,
+} from '@tanstack/react-table';
+import { Button } from '@imphnen-frontend-service/ui/atoms';
+import { cn } from '@imphnen-frontend-service/utils';
+import { useTeams } from '@imphnen-frontend-service/service';
+import { EditOutlined } from '@ant-design/icons';
+
+export const HackathonTeamsPage: FC = (): ReactElement => {
+  const { data: teamsData } = useTeams();
+
+  const [rowSelection, setRowSelection] = useState<RowSelectionState>({});
+  const [pagination, setPagination] = useState<PaginationState>({
+    pageIndex: 0,
+    pageSize: 9,
+  });
+
+  const mockData: TeamType[] = Array.from({ length: 90 }, (_, i) => ({
+    id: `team-${i + 1}`,
+    name: `Team ${i + 1} - ${i % 3 === 0 ? 'Innovators' : 'Hackers'}`,
+    city: i % 2 === 0 ? 'Jakarta' : 'Bandung',
+    visibility: i % 4 === 0 ? 'private' : 'public',
+    member_count: Math.floor(Math.random() * 4) + 1,
+    has_submission: i % 3 !== 0,
+    created_at: new Date().toISOString(),
+    updated_at: new Date().toISOString(),
+    leader: {
+      user: {
+        fullname: `Leader User ${i}`,
+        email: `leader${i}@example.com`,
+      },
+    },
+  }));
+
+  interface TeamType {
+    id: string;
+    name: string;
+    city: string;
+    visibility: 'public' | 'private';
+    member_count: number;
+    has_submission: boolean;
+    created_at: string;
+    updated_at: string;
+    leader?: {
+      user: {
+        fullname: string;
+        email: string;
+      };
+    };
+  }
+
+  const columns: ColumnDef<TeamType>[] = [
+    {
+      accessorKey: 'id',
+      header: 'ID',
+    },
+    {
+      accessorKey: 'name',
+      header: 'Team Name',
+    },
+    {
+      accessorKey: 'city',
+      header: 'City',
+    },
+    {
+      accessorKey: 'visibility',
+      header: 'Visibility',
+      cell: ({ row }) => {
+        const isPublic = row.original.visibility === 'public';
+        return (
+          <span
+            className={cn(
+              'py-2 px-4 text-sm rounded-2xl text-center',
+              isPublic
+                ? 'bg-info-200 text-info-700'
+                : 'bg-gray-200 text-gray-700'
+            )}
+          >
+            {isPublic ? 'Public' : 'Private'}
+          </span>
+        );
+      },
+    },
+    {
+      accessorKey: 'member_count',
+      header: 'Members',
+    },
+    {
+      id: 'leader',
+      header: 'Leader',
+      cell: ({ row }) => {
+        const leader = row.original.leader?.user;
+        return leader ? (
+          <div>
+            <div className="text-sm font-medium text-gray-900">
+              {leader.fullname}
+            </div>
+            <div className="text-xs text-gray-500">{leader.email}</div>
+          </div>
+        ) : (
+          <span className="text-gray-400 italic">-</span>
+        );
+      },
+    },
+    {
+      accessorKey: 'has_submission',
+      header: 'Submitted',
+      cell: ({ row }) => {
+        const hasSubmission = row.original.has_submission;
+        return (
+          <span
+            className={cn(
+              'py-2 px-4 text-sm rounded-2xl text-center',
+              hasSubmission
+                ? 'bg-success-200 text-success-700'
+                : 'bg-danger-200 text-danger-700'
+            )}
+          >
+            {hasSubmission ? 'Yes' : 'No'}
+          </span>
+        );
+      },
+    },
+    {
+      accessorKey: 'updated_at',
+      header: 'Last Updated',
+      cell: ({ row }) => {
+        return new Date(row.original.updated_at).toLocaleDateString();
+      },
+    },
+    {
+      id: 'actions',
+      header: 'Action',
+      meta: { cellClassName: cn('w-48') },
+      cell: ({ row }) => (
+        <div className="flex items-center gap-2">
+          <Button
+            variant="primary"
+            size="sm"
+            className="flex items-center gap-2 w-max"
+            onClick={() => {
+              // View detail logic
+            }}
+          >
+            <EditOutlined className="text-base" /> View & Manage
+          </Button>
+        </div>
+      ),
+    },
+  ];
+
+  const table = useReactTable({
+    data: mockData,
+    columns,
+    state: {
+      pagination,
+      rowSelection,
+    },
+    enableRowSelection: true,
+    onRowSelectionChange: setRowSelection,
+    getCoreRowModel: getCoreRowModel(),
+    getPaginationRowModel: getPaginationRowModel(),
+    onPaginationChange: setPagination,
+    pageCount: Math.ceil(mockData.length / pagination.pageSize),
+    manualPagination: false,
+  });
+
+  return (
+    <BackofficeWrapper title="IMPHNEN x Kolosal.ai Hackathon 2025">
+      <h1 className="mb-8 text-p1 font-semibold text-neutral-700">
+        Team Management
+      </h1>
+      {/* Filters and actions */}
+      <section className="bg-white rounded-md shadow p-8 flex flex-col gap-6">
+        <div className="flex flex-wrap gap-3 items-center">
+          <input
+            type="text"
+            className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-64"
+            placeholder="Search name or email"
+          />
+          <select className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-40">
+            <option value="all">All Status</option>
+            <option value="active">Active</option>
+            <option value="suspended">Suspended</option>
+          </select>
+          <select className="border border-neutral-200 rounded-md px-3 py-2 text-label1 w-full sm:w-40">
+            <option value="all">All City</option>
+            <option value="jakarta">Jakarta</option>
+            <option value="bandung">Bandung</option>
+          </select>
+        </div>
+        {/* Table */}
+        <DataTable data={mockData} columns={columns} table={table} />
+      </section>
+      {/* Modals extracted into shared backoffice components */}
+    </BackofficeWrapper>
+  );
+};
+
+export default HackathonTeamsPage;

apps/backoffice/src/app/(protected)/hackathon-users/_components/modal-user-detail.tsx

@@ -0,0 +1,651 @@
+import { FC, useState, useEffect, useMemo, useRef } from 'react';
+import { Button } from '@imphnen-frontend-service/ui/atoms';
+import { cn } from '@imphnen-frontend-service/utils';
+import {
+  UserOutlined,
+  EnvironmentOutlined,
+  CalendarOutlined,
+  SaveOutlined,
+  CloseOutlined,
+  ExclamationOutlined,
+  CameraOutlined,
+  DeleteOutlined,
+  UploadOutlined,
+} from '@ant-design/icons';
+
+interface UserType {
+  id: string;
+  avatar?: string;
+  fullname: string;
+  bio?: string;
+  location: string;
+  is_active: boolean;
+  skills: string[];
+  created_at: string;
+  updated_at: string;
+}
+
+interface ModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  user: UserType | null;
+}
+
+const ModalUserDetail: FC<ModalProps> = ({ isOpen, onClose, user }) => {
+  const [formData, setFormData] = useState<UserType | null>(null);
+  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
+  const [showAvatarMenu, setShowAvatarMenu] = useState(false);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+
+  // Initialize form data when modal opens
+  useEffect(() => {
+    if (isOpen) {
+      if (user) {
+        // Edit existing user
+        setFormData({ ...user });
+      } else {
+        // Create new user
+        setFormData({
+          id: '', // Will be generated by backend
+          fullname: '',
+          bio: '',
+          location: '',
+          is_active: true,
+          skills: [],
+          avatar: undefined,
+          created_at: new Date().toISOString(),
+          updated_at: new Date().toISOString(),
+        });
+      }
+    }
+  }, [isOpen, user]);
+
+  // Check if form has changes
+  const hasChanges = useMemo(() => {
+    if (!formData) return false;
+    if (!user) return true; // New user always has changes
+    return (
+      formData.fullname !== user.fullname ||
+      formData.location !== user.location ||
+      formData.is_active !== user.is_active ||
+      formData.avatar !== user.avatar ||
+      JSON.stringify(formData.skills) !== JSON.stringify(user.skills) ||
+      formData.bio !== user.bio
+    );
+  }, [formData, user]);
+
+  // Check if required fields are filled
+  const isFormValid = useMemo(() => {
+    if (!formData) return false;
+    return formData.fullname.trim() !== '' && formData.location.trim() !== '';
+  }, [formData]);
+
+  const canSave = hasChanges && isFormValid;
+
+  if (!isOpen || !formData) return null;
+
+  const handleInputChange = (
+    field: keyof UserType,
+    value: string | boolean | string[] | undefined
+  ) => {
+    setFormData((prev) => (prev ? { ...prev, [field]: value } : null));
+  };
+
+  const handleSkillsChange = (skills: string[]) => {
+    setFormData((prev) => (prev ? { ...prev, skills } : null));
+  };
+
+  const handleSave = () => {
+    if (!formData) return;
+
+    if (user) {
+      // Update existing user
+      console.log('Update user data:', formData);
+    } else {
+      // Create new user
+      console.log('Create new user:', formData);
+    }
+    // Here you would typically make an API call to save the data
+    onClose();
+  };
+
+  const handleCancel = () => {
+    if (user) {
+      setFormData({ ...user }); // Reset to original for edit mode
+    }
+    onClose();
+  };
+
+  const handleDeleteAccount = () => {
+    if (!user) return; // Can't delete new user
+    console.log('Delete user:', user.id);
+    setShowDeleteConfirm(false);
+    onClose();
+  };
+
+  const handleAvatarUpload = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0];
+    if (file) {
+      // Validate file type
+      if (!file.type.startsWith('image/')) {
+        alert('Please select an image file');
+        return;
+      }
+
+      // Validate file size (max 5MB)
+      if (file.size > 5 * 1024 * 1024) {
+        alert('Image size must be less than 5MB');
+        return;
+      }
+
+      // Create preview URL
+      const reader = new FileReader();
+      reader.onload = (e) => {
+        const avatarUrl = e.target?.result as string;
+        handleInputChange('avatar', avatarUrl);
+        setShowAvatarMenu(false);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const handleRemoveAvatar = () => {
+    handleInputChange('avatar', undefined);
+    setShowAvatarMenu(false);
+  };
+
+  const triggerFileUpload = () => {
+    fileInputRef.current?.click();
+  };
+
+  const availableSkills = [
+    'Frontend Developer',
+    'Backend Developer',
+    'Full Stack Developer',
+    'DevOps Engineer',
+    'UI/UX Designer',
+    'Product Manager',
+    'Data Scientist',
+    'Mobile Developer',
+  ];
+
+  return (
+    <div className="fixed inset-0 z-50">
+      <div
+        className="fixed inset-0 bg-black/50"
+        onClick={(e) => {
+          setShowAvatarMenu(false);
+          onClose();
+        }}
+      />
+      <div className="fixed inset-0 flex items-center justify-center p-4">
+        <div
+          className="bg-white rounded-xl shadow-2xl w-full max-w-4xl max-h-[90vh] overflow-y-auto"
+          onClick={(e) => e.stopPropagation()}
+        >
+          {/* Hidden File Input */}
+          <input
+            type="file"
+            ref={fileInputRef}
+            onChange={handleAvatarUpload}
+            accept="image/*"
+            className="hidden"
+          />
+          {/* Header */}
+          <div className="border-b border-neutral-200 px-8 py-6 flex justify-between items-start">
+            <div className="flex items-center gap-4">
+              {/* Interactive User Avatar */}
+              <div className="relative group ">
+                <div className="w-16 h-16 rounded-full bg-neutral-200 flex items-center justify-center overflow-hidden border-2 border-transparent group-hover:border-primary-300 transition-colors">
+                  {formData.avatar ? (
+                    <img
+                      src={formData.avatar}
+                      alt={formData.fullname}
+                      className="w-full h-full object-cover"
+                    />
+                  ) : (
+                    <UserOutlined className="text-neutral-500 text-2xl" />
+                  )}
+                </div>
+
+                {/* Avatar Hover Overlay */}
+                <button
+                  onClick={() => setShowAvatarMenu(!showAvatarMenu)}
+                  className="absolute inset-0 bg-neutral-400 cursor-pointer rounded-full opacity-0 group-hover:opacity-100 transition-opacity flex items-center justify-center"
+                >
+                  <CameraOutlined className="text-white text-lg" />
+                </button>
+
+                {/* Avatar Menu Dropdown */}
+                {showAvatarMenu && (
+                  <div className="absolute top-full left-0 mt-2 bg-white rounded-lg shadow-lg border border-neutral-200 py-2 min-w-[140px] z-10">
+                    <button
+                      onClick={triggerFileUpload}
+                      className="w-full px-4 py-2 text-left text-sm text-neutral-700 hover:bg-neutral-50 flex items-center gap-2 cursor-pointer"
+                    >
+                      <UploadOutlined className="text-sm" />
+                      {formData.avatar ? 'Change Photo' : 'Upload Photo'}
+                    </button>
+                    {formData.avatar && (
+                      <button
+                        onClick={handleRemoveAvatar}
+                        className="w-full px-4 py-2 text-left text-sm text-red-600 hover:bg-red-50 flex items-center gap-2 cursor-pointer"
+                      >
+                        <DeleteOutlined className="text-sm" />
+                        Remove Photo
+                      </button>
+                    )}
+                  </div>
+                )}
+              </div>
+              <div>
+                <div className="flex items-center gap-3 mb-2">
+                  <h2 className="text-2xl font-bold text-neutral-900">
+                    {user ? 'Edit User Profile' : 'Create New User'}
+                  </h2>
+                  {user && (
+                    <span className="px-3 py-1 bg-info-100 text-info-700 text-xs font-medium rounded-2xl">
+                      Hover avatar to change
+                    </span>
+                  )}
+                </div>
+                <div className="text-sm text-neutral-500">
+                  {user
+                    ? `Make changes to ${
+                        formData.fullname || 'this user'
+                      }'s profile information`
+                    : 'Fill in the information below to create a new user account'}
+                </div>
+              </div>
+            </div>
+            <button
+              className="p-2 hover:bg-neutral-100 rounded-lg transition-colors"
+              onClick={() => {
+                setShowAvatarMenu(false);
+                handleCancel();
+              }}
+            >
+              <CloseOutlined className="text-neutral-400 text-lg cursor-pointer" />
+            </button>
+          </div>
+
+          {/* Content */}
+          <div className="p-8" onClick={() => setShowAvatarMenu(false)}>
+            <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
+              {/* Left Column - Basic Info */}
+              <div className="space-y-6">
+                <div>
+                  <h3 className="text-lg font-semibold text-neutral-900 mb-4">
+                    Basic Information
+                  </h3>
+                  <div className="space-y-4">
+                    {/* Full Name - Required */}
+                    <div className="flex items-center gap-3">
+                      <UserOutlined className="text-neutral-400" />
+                      <div className="flex-1">
+                        <label className="text-sm text-neutral-500 block mb-1">
+                          Full Name <span className="text-red-500">*</span>
+                        </label>
+                        <input
+                          type="text"
+                          value={formData.fullname}
+                          onChange={(e) =>
+                            handleInputChange('fullname', e.target.value)
+                          }
+                          className={cn(
+                            'w-full border rounded-lg px-3 py-2 text-sm focus:border-primary-500 focus:outline-none',
+                            formData.fullname.trim() === ''
+                              ? 'border-red-300 bg-red-50'
+                              : 'border-neutral-300'
+                          )}
+                          placeholder="Enter full name"
+                        />
+                        {formData.fullname.trim() === '' && (
+                          <p className="text-red-500 text-xs mt-1">
+                            Full name is required
+                          </p>
+                        )}
+                      </div>
+                    </div>
+
+                    {/* Location - Required */}
+                    <div className="flex items-center gap-3">
+                      <EnvironmentOutlined className="text-neutral-400" />
+                      <div className="flex-1">
+                        <label className="text-sm text-neutral-500 block mb-1">
+                          Location <span className="text-red-500">*</span>
+                        </label>
+                        <select
+                          value={formData.location}
+                          onChange={(e) =>
+                            handleInputChange('location', e.target.value)
+                          }
+                          className={cn(
+                            'w-full border rounded-lg px-3 py-2 text-sm focus:border-primary-500 focus:outline-none bg-white',
+                            formData.location.trim() === ''
+                              ? 'border-red-300 bg-red-50'
+                              : 'border-neutral-300'
+                          )}
+                        >
+                          <option value="">Select location</option>
+                          <option value="Jakarta">Jakarta</option>
+                          <option value="Bandung">Bandung</option>
+                          <option value="Surabaya">Surabaya</option>
+                          <option value="Medan">Medan</option>
+                          <option value="Yogyakarta">Yogyakarta</option>
+                        </select>
+                        {formData.location.trim() === '' && (
+                          <p className="text-red-500 text-xs mt-1">
+                            Location is required
+                          </p>
+                        )}
+                      </div>
+                    </div>
+
+                    {/* Joined Date - Read Only - Only show for existing users */}
+                    {user && (
+                      <div className="flex items-center gap-3">
+                        <CalendarOutlined className="text-neutral-400" />
+                        <div>
+                          <p className="text-sm text-neutral-500">
+                            Joined Date
+                          </p>
+                          <p className="font-medium">
+                            {new Date(formData.created_at).toLocaleDateString(
+                              'en-US',
+                              {
+                                year: 'numeric',
+                                month: 'long',
+                                day: 'numeric',
+                              }
+                            )}
+                          </p>
+                        </div>
+                      </div>
+                    )}
+                  </div>
+                </div>
+
+                {/* Bio Section - Optional */}
+                <div>
+                  <h3 className="text-lg font-semibold text-neutral-900 mb-3">
+                    Bio{' '}
+                    <span className="text-neutral-400 text-sm font-normal">
+                      (Optional)
+                    </span>
+                  </h3>
+                  <textarea
+                    value={formData.bio || ''}
+                    onChange={(e) =>
+                      handleInputChange('bio', e.target.value || undefined)
+                    }
+                    placeholder="Tell us about yourself..."
+                    rows={4}
+                    className="w-full border border-neutral-300 rounded-lg px-3 py-2 text-sm focus:border-primary-500 focus:outline-none resize-none"
+                  />
+                </div>
+              </div>
+
+              {/* Right Column - Skills & Status */}
+              <div className="space-y-6">
+                {/* Account Status - Enhanced Tab Design */}
+                <div>
+                  <h3 className="text-lg font-semibold text-neutral-900 mb-4">
+                    Account Status
+                  </h3>
+                  <div className="flex bg-neutral-100 p-1 rounded-lg">
+                    <button
+                      onClick={() => handleInputChange('is_active', true)}
+                      className={cn(
+                        'flex-1 px-4 py-2 text-sm font-medium rounded-md transition-all duration-200 cursor-pointer',
+                        formData.is_active
+                          ? 'bg-white text-success-700 shadow-sm ring-1 ring-success-200'
+                          : 'text-neutral-600 hover:text-neutral-800'
+                      )}
+                    >
+                      <div className="flex items-center justify-center gap-2">
+                        <div
+                          className={cn(
+                            'w-2 h-2 rounded-full',
+                            formData.is_active
+                              ? 'bg-success-500'
+                              : 'bg-neutral-400'
+                          )}
+                        />
+                        Active
+                      </div>
+                    </button>
+                    <button
+                      onClick={() => handleInputChange('is_active', false)}
+                      className={cn(
+                        'flex-1 px-4 py-2 text-sm font-medium rounded-md transition-all duration-200 cursor-pointer',
+                        !formData.is_active
+                          ? 'bg-white text-neutral-700 shadow-sm ring-1 ring-neutral-200'
+                          : 'text-neutral-600 hover:text-neutral-800'
+                      )}
+                    >
+                      <div className="flex items-center justify-center gap-2">
+                        <div
+                          className={cn(
+                            'w-2 h-2 rounded-full',
+                            !formData.is_active
+                              ? 'bg-neutral-500'
+                              : 'bg-neutral-400'
+                          )}
+                        />
+                        Inactive
+                      </div>
+                    </button>
+                  </div>
+                  <p className="text-xs text-neutral-500 mt-2">
+                    {formData.is_active
+                      ? 'User can access their account and participate in activities'
+                      : 'User account is suspended and cannot access services'}
+                  </p>
+                </div>
+
+                {/* Skills Section - Optional */}
+                <div>
+                  <h3 className="text-lg font-semibold text-neutral-900 mb-4">
+                    Skills & Expertise{' '}
+                    <span className="text-neutral-400 text-sm font-normal">
+                      (Optional)
+                    </span>
+                  </h3>
+                  <div className="space-y-3">
+                    <div className="flex flex-wrap gap-2 min-h-10 p-3 border border-neutral-300 rounded-lg bg-neutral-50">
+                      {formData.skills.length > 0 ? (
+                        formData.skills.map((skill, index) => (
+                          <span
+                            key={index}
+                            className="inline-flex items-center gap-2 px-3 py-1.5 rounded-2xl text-sm font-medium bg-blue-100 text-blue-800"
+                          >
+                            {skill}
+                            <button
+                              onClick={() =>
+                                handleSkillsChange(
+                                  formData.skills.filter((_, i) => i !== index)
+                                )
+                              }
+                              className="text-blue-600 hover:text-blue-800 ml-1 cursor-pointer"
+                            >
+                              ✕
+                            </button>
+                          </span>
+                        ))
+                      ) : (
+                        <span className="text-neutral-400 text-sm">
+                          No skills added yet
+                        </span>
+                      )}
+                    </div>
+                    <select
+                      value=""
+                      onChange={(e) => {
+                        if (
+                          e.target.value &&
+                          !formData.skills.includes(e.target.value)
+                        ) {
+                          handleSkillsChange([
+                            ...formData.skills,
+                            e.target.value,
+                          ]);
+                        }
+                      }}
+                      className="w-full border border-neutral-300 rounded-lg px-3 py-2 text-sm focus:border-primary-500 focus:outline-none bg-white"
+                    >
+                      <option value="">Add a skill...</option>
+                      {availableSkills
+                        .filter((skill) => !formData.skills.includes(skill))
+                        .map((skill) => (
+                          <option key={skill} value={skill}>
+                            {skill}
+                          </option>
+                        ))}
+                    </select>
+                  </div>
+                </div>
+
+                {/* Account Details - Read Only - Only show for existing users */}
+                {user && (
+                  <div>
+                    <h3 className="text-lg font-semibold text-neutral-900 mb-4">
+                      Account Details
+                    </h3>
+                    <div className="space-y-3 bg-neutral-50 p-4 rounded-lg">
+                      <div className="flex justify-between items-center py-1">
+                        <span className="text-neutral-600 text-sm">
+                          User ID
+                        </span>
+                        <span className="font-mono text-sm text-neutral-800">
+                          {formData.id}
+                        </span>
+                      </div>
+                      <div className="flex justify-between items-center py-1">
+                        <span className="text-neutral-600 text-sm">
+                          Last Updated
+                        </span>
+                        <span className="text-sm text-neutral-800">
+                          {new Date(formData.updated_at).toLocaleDateString(
+                            'en-US',
+                            {
+                              month: 'short',
+                              day: 'numeric',
+                              year: 'numeric',
+                            }
+                          )}
+                        </span>
+                      </div>
+                    </div>
+                  </div>
+                )}
+              </div>
+            </div>
+          </div>
+
+          {/* Footer Actions */}
+          <div className="border-t border-neutral-200 px-8 py-6">
+            <div className="flex justify-between items-center">
+              <div className="flex items-center gap-4">
+                <div className="text-sm text-neutral-500">
+                  {canSave
+                    ? 'Ready to save changes'
+                    : hasChanges
+                    ? 'Please fill required fields'
+                    : 'No changes made'}
+                </div>
+                {/* Delete Account Button - Only show for existing users */}
+                {user && (
+                  <button
+                    onClick={() => setShowDeleteConfirm(true)}
+                    className="text-red-600 hover:text-red-700 text-sm font-medium transition-colors cursor-pointer"
+                  >
+                    Delete Account
+                  </button>
+                )}
+              </div>
+
+              <div className="flex items-center gap-3">
+                <Button
+                  variant="secondary"
+                  size="sm"
+                  onClick={handleCancel}
+                  className="px-6"
+                >
+                  Cancel
+                </Button>
+                <Button
+                  variant="primary"
+                  size="sm"
+                  onClick={handleSave}
+                  disabled={!canSave}
+                  className={cn(
+                    'flex items-center gap-2 px-6',
+                    !canSave && 'opacity-50 cursor-not-allowed'
+                  )}
+                >
+                  <SaveOutlined className="text-sm" />
+                  {user ? 'Save Changes' : 'Create User'}
+                </Button>
+              </div>
+            </div>
+          </div>
+
+          {/* Delete Confirmation Modal */}
+          {showDeleteConfirm && (
+            <div className="fixed inset-0 z-60">
+              <div
+                className="fixed inset-0 bg-black/50"
+                onClick={() => setShowDeleteConfirm(false)}
+              />
+              <div className="fixed inset-0 flex items-center justify-center p-4">
+                <div className="bg-white rounded-xl shadow-2xl w-full max-w-md">
+                  <div className="p-6">
+                    <div className="flex items-center gap-3 mb-4">
+                      <div className="w-10 h-10 bg-red-100 rounded-full flex items-center justify-center">
+                        <ExclamationOutlined className="text-red-600 text-lg" />
+                      </div>
+                      <div>
+                        <h3 className="text-lg font-semibold text-neutral-900">
+                          Delete Account
+                        </h3>
+                        <p className="text-sm text-neutral-500">
+                          This action cannot be undone
+                        </p>
+                      </div>
+                    </div>
+                    <p className="text-neutral-700 mb-6">
+                      Are you sure you want to permanently delete{' '}
+                      <strong>{formData.fullname}</strong>'s account? This will
+                      remove all their data and cannot be reversed.
+                    </p>
+                    <div className="flex gap-3 justify-end">
+                      <Button
+                        variant="secondary"
+                        size="sm"
+                        onClick={() => setShowDeleteConfirm(false)}
+                        className="px-4"
+                      >
+                        Cancel
+                      </Button>
+                      <Button
+                        variant="primary"
+                        size="sm"
+                        onClick={handleDeleteAccount}
+                        className="px-4 bg-red-600 hover:bg-red-700 border-red-600"
+                      >
+                        Delete Account
+                      </Button>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default ModalUserDetail;

apps/backoffice/src/app/(protected)/hackathon-users/page.tsx

@@ -0,0 +1,476 @@
+import { FC, ReactElement, useState, useMemo, useCallback } from 'react';
+import ModalUserDetail from './_components/modal-user-detail';
+import {
+  BackofficeWrapper,
+  DataTable,
+} from '@imphnen-frontend-service/ui/organisms';
+import { ColumnDef } from '@tanstack/react-table';
+import { Button } from '@imphnen-frontend-service/ui/atoms';
+import { cn } from '@imphnen-frontend-service/utils';
+import {
+  EditOutlined,
+  UserOutlined,
+  SearchOutlined,
+  FilterOutlined,
+  PlusOutlined,
+} from '@ant-design/icons';
+// Removed unused SearchOutlined icon after schema revision
+
+// Define interface outside component
+interface UserType {
+  id: string; // UUID
+  avatar?: string;
+  fullname: string;
+  bio?: string;
+  location: string;
+  is_active: boolean; // admin can deactivate
+  skills: string[]; // Frontend Developer, Backend Developer, etc.
+  created_at: string;
+  updated_at: string;
+}
+
+// Move mock data outside component to prevent recreation
+const skillsOptions = [
+  'Frontend Developer',
+  'Backend Developer',
+  'Full Stack Developer',
+  'DevOps Engineer',
+  'UI/UX Designer',
+  'Product Manager',
+  'Data Scientist',
+  'Mobile Developer',
+];
+
+const locations = ['Jakarta', 'Bandung', 'Surabaya', 'Medan', 'Yogyakarta'];
+const bios = [
+  'Passionate developer with 5+ years experience',
+  'Tech enthusiast and problem solver',
+  'Building scalable solutions for modern problems',
+  'Creative designer with technical background',
+  'Data-driven decision maker',
+];
+
+const mockData: UserType[] = Array.from({ length: 50 }, (_, i) => {
+  const randomSkillsCount = Math.floor(Math.random() * 3) + 1; // 1-3 skills
+  const randomSkills = skillsOptions
+    .sort(() => 0.5 - Math.random())
+    .slice(0, randomSkillsCount);
+
+  return {
+    id: `24db9e4d-ca4c-46aa-ac36-8ef04bbe01${String(i).padStart(2, '0')}`,
+    avatar:
+      i % 4 === 0
+        ? `https://ui-avatars.com/api/?name=${encodeURIComponent(
+            i % 3 === 0 ? 'Ahmad Wijuana' : 'Sofia Wijuana'
+          )}&background=random`
+        : undefined,
+    fullname:
+      i % 3 === 0
+        ? 'Ahmad Wijuana'
+        : i % 3 === 1
+        ? 'Sofia Wijuana'
+        : 'Budi Santoso',
+    bio: i % 4 === 0 ? bios[i % bios.length] : undefined,
+    location: locations[i % locations.length],
+    is_active: i % 7 !== 0, // More realistic distribution
+    skills: randomSkills,
+    created_at: new Date(
+      Date.now() - i * 86400000 * (Math.random() * 30 + 1)
+    ).toISOString(), // Random within last 30-60 days
+    updated_at: new Date().toISOString(),
+  };
+});
+
+export const HackathonUsersPage: FC = (): ReactElement => {
+  const [showDetailModal, setShowDetailModal] = useState(false);
+  const [showNewUserModal, setShowNewUserModal] = useState(false);
+  const [selectedUser, setSelectedUser] = useState<UserType | null>(null);
+  const [globalFilter, setGlobalFilter] = useState('');
+
+  // Advanced filtering states
+  const [statusFilter, setStatusFilter] = useState('all');
+  const [locationFilter, setLocationFilter] = useState('all');
+  const [skillsFilter, setSkillsFilter] = useState<string[]>([]);
+
+  // Constants
+  const pageSize = 10;
+
+  // Memoize the callback to prevent recreation
+  const handleShowDetailModal = useCallback((user: UserType) => {
+    setSelectedUser(user);
+    setShowDetailModal(true);
+  }, []);
+
+  const handleCloseDetailModal = useCallback(() => {
+    setShowDetailModal(false);
+    setSelectedUser(null);
+  }, []);
+
+  const handleShowNewUserModal = useCallback(() => {
+    setShowNewUserModal(true);
+  }, []);
+
+  const handleCloseNewUserModal = useCallback(() => {
+    setShowNewUserModal(false);
+  }, []);
+
+  // Filter data based on current filter states
+  const filteredData = useMemo(() => {
+    return mockData.filter((user) => {
+      // Status filter
+      if (statusFilter !== 'all') {
+        const isActive = statusFilter === 'active';
+        if (user.is_active !== isActive) return false;
+      }
+
+      // Location filter
+      if (locationFilter !== 'all' && user.location !== locationFilter) {
+        return false;
+      }
+
+      // Skills filter
+      if (skillsFilter.length > 0) {
+        const hasMatchingSkill = skillsFilter.some((skill) =>
+          user.skills.includes(skill)
+        );
+        if (!hasMatchingSkill) return false;
+      }
+
+      return true;
+    });
+  }, [statusFilter, locationFilter, skillsFilter]);
+
+  // Memoize columns to prevent recreation on every render
+  const columns: ColumnDef<UserType>[] = useMemo(
+    () => [
+      {
+        accessorKey: 'fullname',
+        header: 'User',
+        cell: ({ row }) => (
+          <div className="flex items-center gap-3">
+            {/* Avatar */}
+            <div className="w-10 h-10 rounded-full bg-neutral-200 flex items-center justify-center overflow-hidden shrink-0">
+              {row.original.avatar ? (
+                <img
+                  src={row.original.avatar}
+                  alt={row.original.fullname}
+                  className="w-full h-full object-cover"
+                />
+              ) : (
+                <UserOutlined className="text-neutral-500 text-lg" />
+              )}
+            </div>
+            {/* Name only */}
+            <div className="min-w-0 flex-1">
+              <p className="font-medium text-neutral-900 truncate">
+                {row.original.fullname}
+              </p>
+            </div>
+          </div>
+        ),
+        enableSorting: true,
+      },
+      {
+        accessorKey: 'skills',
+        header: 'Skills',
+        cell: ({ row }) => (
+          <div className="flex flex-wrap gap-1 max-w-xs">
+            {row.original.skills.slice(0, 2).map((skill, index) => (
+              <span
+                key={index}
+                className="inline-flex items-center px-2 py-1 rounded-2xl text-xs font-medium bg-success-100 text-success-800"
+              >
+                {skill.replace(' Developer', '').replace(' Engineer', '')}
+              </span>
+            ))}
+            {row.original.skills.length > 2 && (
+              <span className="inline-flex items-center px-2 py-1 rounded-2xl text-xs font-medium bg-success-200 text-success-700">
+                +{row.original.skills.length - 2}
+              </span>
+            )}
+          </div>
+        ),
+        enableSorting: false,
+      },
+      {
+        accessorKey: 'location',
+        header: 'Location',
+        cell: ({ row }) => (
+          <span className="text-neutral-700">{row.original.location}</span>
+        ),
+        enableSorting: true,
+      },
+      {
+        accessorKey: 'is_active',
+        header: 'Status',
+        cell: ({ row }) => (
+          <div className="flex items-center gap-2">
+            <div
+              className={cn(
+                'w-2 h-2 rounded-full',
+                row.original.is_active ? 'bg-success-500' : 'bg-neutral-400'
+              )}
+            />
+            <span
+              className={cn(
+                'text-sm font-medium',
+                row.original.is_active ? 'text-success-700' : 'text-neutral-500'
+              )}
+            >
+              {row.original.is_active ? 'Active' : 'Inactive'}
+            </span>
+          </div>
+        ),
+        enableSorting: true,
+        sortingFn: (rowA, rowB) => {
+          const aActive = rowA.original.is_active;
+          const bActive = rowB.original.is_active;
+          if (aActive && !bActive) return -1;
+          if (!aActive && bActive) return 1;
+          return 0;
+        },
+      },
+      {
+        accessorKey: 'created_at',
+        header: 'Joined',
+        cell: ({ row }) => (
+          <span className="text-neutral-900 text-sm">
+            {new Date(row.original.created_at).toLocaleDateString('en-US', {
+              year: 'numeric',
+              month: 'short',
+              day: 'numeric',
+            })}
+          </span>
+        ),
+        enableSorting: true,
+        sortingFn: 'datetime',
+      },
+      {
+        id: 'actions',
+        header: 'Actions',
+        meta: { cellClassName: cn('w-48') },
+        cell: ({ row }) => (
+          <div className="flex items-center gap-2">
+            <Button
+              variant="primary"
+              size="sm"
+              className="flex items-center gap-2 text-sm px-4 py-2"
+              onClick={() => handleShowDetailModal(row.original)}
+            >
+              <EditOutlined className="text-sm" />
+              Manage
+            </Button>
+            <Button
+              variant="secondary"
+              size="sm"
+              className="text-sm px-4 py-2"
+              onClick={() => {
+                // Toggle user status - implement later
+                console.log(`Toggle status for ${row.original.fullname}`);
+              }}
+            >
+              {row.original.is_active ? 'Deactivate' : 'Activate'}
+            </Button>
+          </div>
+        ),
+        enableSorting: false,
+      },
+    ],
+    [handleShowDetailModal]
+  );
+
+  return (
+    <BackofficeWrapper title="IMPHNEN x Kolosal.ai Hackathon 2025">
+      <h1 className="mb-8 text-p1 font-semibold text-neutral-700">
+        User Management
+      </h1>
+      {/* Filters and actions */}
+      <section className="bg-white rounded-md shadow p-8 flex flex-col gap-6">
+        <div className="flex flex-wrap gap-3 items-center justify-between">
+          {/* Left side - Search & filters */}
+          <div className="flex flex-wrap gap-3 items-center">
+            {/* Search bar */}
+            <div className="relative">
+              <SearchOutlined className="absolute left-3 top-1/2 transform -translate-y-1/2 text-neutral-400 text-sm" />
+              <input
+                type="text"
+                className="border border-neutral-200 rounded-lg pl-10 pr-4 py-2.5 text-sm w-full sm:w-80 focus:border-primary-500 focus:outline-none"
+                placeholder="Search users by name or location..."
+                value={globalFilter}
+                onChange={(e) => setGlobalFilter(e.target.value)}
+              />
+            </div>
+
+            {/* Status Filter */}
+            <div className="relative">
+              <FilterOutlined className="absolute left-3 top-1/2 transform -translate-y-1/2 text-neutral-400 text-sm pointer-events-none z-10" />
+              <select
+                className="border border-neutral-200 rounded-lg pl-10 pr-10 py-2.5 text-sm w-full sm:w-36 focus:border-primary-500 focus:outline-none appearance-none bg-white cursor-pointer"
+                value={statusFilter}
+                onChange={(e) => setStatusFilter(e.target.value)}
+              >
+                <option value="all">All Status</option>
+                <option value="active">Active</option>
+                <option value="inactive">Inactive</option>
+              </select>
+            </div>
+
+            {/* Location Filter */}
+            <div className="relative">
+              <FilterOutlined className="absolute left-3 top-1/2 transform -translate-y-1/2 text-neutral-400 text-sm pointer-events-none z-10" />
+              <select
+                className="border border-neutral-200 rounded-lg pl-10 pr-10 py-2.5 text-sm w-full sm:w-44 focus:border-primary-500 focus:outline-none appearance-none bg-white cursor-pointer"
+                value={locationFilter}
+                onChange={(e) => setLocationFilter(e.target.value)}
+              >
+                <option value="all">All Locations</option>
+                {locations.map((location) => (
+                  <option key={location} value={location}>
+                    {location}
+                  </option>
+                ))}
+              </select>
+            </div>
+
+            {/* Skills Filter with Icon */}
+            <div className="relative">
+              <FilterOutlined className="absolute left-3 top-1/2 transform -translate-y-1/2 text-neutral-400 text-sm pointer-events-none z-10" />
+              <select
+                className="border border-neutral-200 rounded-lg pl-10 pr-10 py-2.5 text-sm w-full sm:w-44 focus:border-primary-500 focus:outline-none appearance-none bg-white cursor-pointer"
+                value=""
+                onChange={(e) => {
+                  if (
+                    e.target.value &&
+                    !skillsFilter.includes(e.target.value)
+                  ) {
+                    setSkillsFilter((prev) => [...prev, e.target.value]);
+                  }
+                }}
+              >
+                <option value="">Add Skill Filter</option>
+                {skillsOptions.map((skill) => (
+                  <option
+                    key={skill}
+                    value={skill}
+                    disabled={skillsFilter.includes(skill)}
+                  >
+                    {skill}
+                  </option>
+                ))}
+              </select>
+            </div>
+          </div>
+
+          {/* Right side - Add User Button */}
+          <div className="flex items-center gap-3">
+            <Button
+              variant="primary"
+              size="md"
+              className="flex items-center gap-2 px-4 py-2"
+              onClick={handleShowNewUserModal}
+            >
+              <PlusOutlined className="text-sm" />
+              Add User
+            </Button>
+          </div>
+        </div>
+
+        {/* Active filters display */}
+        {(skillsFilter.length > 0 ||
+          statusFilter !== 'all' ||
+          locationFilter !== 'all') && (
+          <div className="flex flex-wrap gap-2 items-center">
+            <span className="text-sm text-neutral-600">Active filters:</span>
+
+            {/* Status filter badge */}
+            {statusFilter !== 'all' && (
+              <span className="inline-flex items-center gap-1 px-2 py-1 bg-info-100 text-info-800 rounded-2xl text-sm">
+                Status: {statusFilter}
+                <button
+                  onClick={() => setStatusFilter('all')}
+                  className="text-info-600 hover:text-info-800 cursor-pointer"
+                >
+                  ✕
+                </button>
+              </span>
+            )}
+
+            {/* Location filter badge */}
+            {locationFilter !== 'all' && (
+              <span className="inline-flex items-center gap-1 px-2 py-1 bg-green-100 text-green-800 rounded-2xl text-sm">
+                Location: {locationFilter}
+                <button
+                  onClick={() => setLocationFilter('all')}
+                  className="text-green-600 hover:text-green-800 cursor-pointer"
+                >
+                  ✕
+                </button>
+              </span>
+            )}
+
+            {/* Skills filter badges */}
+            {skillsFilter.map((skill) => (
+              <span
+                key={skill}
+                className="inline-flex items-center gap-1 px-2 py-1 bg-purple-100 text-purple-800 rounded-2xl text-sm"
+              >
+                {skill.replace(' Developer', '').replace(' Engineer', '')}
+                <button
+                  onClick={() =>
+                    setSkillsFilter((prev) => prev.filter((s) => s !== skill))
+                  }
+                  className="text-purple-600 hover:text-purple-800 cursor-pointer"
+                >
+                  ✕
+                </button>
+              </span>
+            ))}
+
+            {/* Clear all filters */}
+            <Button
+              variant="secondary"
+              size="sm"
+              onClick={() => {
+                setStatusFilter('all');
+                setLocationFilter('all');
+                setSkillsFilter([]);
+                setGlobalFilter('');
+              }}
+              className="text-sm text-neutral-600"
+            >
+              Clear All
+            </Button>
+          </div>
+        )}
+
+        {/* Pagination-aware results display */}
+        {filteredData.length > 0 && (
+          <div className="text-sm text-neutral-600">
+            Showing {Math.min(pageSize, filteredData.length)} of{' '}
+            {filteredData.length} users
+            {filteredData.length > pageSize}
+          </div>
+        )}
+
+        {/* Table */}
+        <DataTable data={filteredData} columns={columns} pageSize={10} />
+      </section>
+
+      {/* Modals component */}
+      <ModalUserDetail
+        isOpen={showDetailModal}
+        onClose={handleCloseDetailModal}
+        user={selectedUser}
+      />
+
+      {/* New User Modal */}
+      <ModalUserDetail
+        isOpen={showNewUserModal}
+        onClose={handleCloseNewUserModal}
+        user={null} // null indicates creating new user
+      />
+    </BackofficeWrapper>
+  );
+};
+
+export default HackathonUsersPage;

apps/backoffice/src/app/(protected)/layout.tsx

@@ -1,13 +1,51 @@
-import { FC, ReactElement } from 'react';
+import { FC, ReactElement, useState } from 'react';
 import { Outlet } from 'react-router-dom';
 import { BackofficeSidebar } from '@imphnen-frontend-service/ui/organisms';
 
 export const AppLayout: FC = (): ReactElement => {
+  const [mobileSidebarOpen, setMobileSidebarOpen] = useState(false);
+
   return (
     <div className="bg-primary-50 min-h-screen flex justify-center">
       <div className="bg-primary-50 min-h-screen w-full flex">
-        <BackofficeSidebar />
+        <BackofficeSidebar
+          isOpen={mobileSidebarOpen}
+          onClose={() => setMobileSidebarOpen(false)}
+        />
         <div className="flex-1 overflow-auto">
+          {/* Sticky top header */}
+          <header
+            className={
+              'lg:hidden sticky top-0 bg-white border-b border-primary-200 px-4 py-3 flex items-center gap-3 ' +
+              (mobileSidebarOpen ? 'z-0' : 'z-30')
+            }
+          >
+            {/* Mobile menu button (shown on small screens) */}
+            <button
+              type="button"
+              className="lg:hidden p-2 rounded-md hover:bg-gray-100 text-gray-700"
+              onClick={() => setMobileSidebarOpen(true)}
+              aria-label="Open sidebar"
+            >
+              <svg
+                className="w-5 h-5"
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  strokeWidth={2}
+                  d="M4 6h16M4 12h16M4 18h16"
+                />
+              </svg>
+            </button>
+            <h1 className="text-p3 font-semibold text-primary-700">
+              IMPHNEN Backoffice
+            </h1>
+          </header>
+
           <Outlet />
         </div>
       </div>

apps/backoffice/src/app/(protected)/users-dimentorin/page.tsx

@@ -1,19 +1,29 @@
-import { SearchOutlined } from "@ant-design/icons";
-import { Button, Input, Select } from "@imphnen-frontend-service/ui/atoms";
-import { BackofficeWrapper, DataTable } from "@imphnen-frontend-service/ui/organisms";
-import { cn, For } from "@imphnen-frontend-service/utils";
-import { ColumnDef, getCoreRowModel, getPaginationRowModel, PaginationState, RowSelectionState, useReactTable } from "@tanstack/react-table";
-import { ReactElement, useState } from "react";
-import { ModalDetailUser } from "./_components/modal/detail";
+import { SearchOutlined } from '@ant-design/icons';
+import { Button, Input, Select } from '@imphnen-frontend-service/ui/atoms';
+import {
+  BackofficeWrapper,
+  DataTable,
+} from '@imphnen-frontend-service/ui/organisms';
+import { cn, For } from '@imphnen-frontend-service/utils';
+import {
+  ColumnDef,
+  getCoreRowModel,
+  getPaginationRowModel,
+  PaginationState,
+  RowSelectionState,
+  useReactTable,
+} from '@tanstack/react-table';
+import { ReactElement, useState } from 'react';
+import { ModalDetailUser } from './_components/modal/detail';
 
 type UserStatus = 'active' | 'inactive';
 
 interface UserType {
-  id: number
-  name: string
-  email: string
-  rating: number
-  status: UserStatus
+  id: number;
+  name: string;
+  email: string;
+  rating: number;
+  status: UserStatus;
 }
 
 const mockData: UserType[] = Array.from({ length: 90 }, (_, i) => ({
@@ -22,15 +32,15 @@ const mockData: UserType[] = Array.from({ length: 90 }, (_, i) => ({
   email: 'fullname23@gmail.com',
   rating: 4.5,
   status: i % 2 === 0 ? 'active' : 'inactive',
-}))
+}));
 
 export default function Components(): ReactElement {
-  const TABS = ['mentor', 'mentee'] as const
-  const [activeTab, setActiveTab] = useState<'mentor' | 'mentee'>('mentor')
-  const [showDetail, setShowDetail] = useState(false)
-  const [selectedUserId, setSelectedUserId] = useState<number | null>(null)
+  const TABS = ['mentor', 'mentee'] as const;
+  const [activeTab, setActiveTab] = useState<'mentor' | 'mentee'>('mentor');
+  const [showDetail, setShowDetail] = useState(false);
+  const [selectedUserId, setSelectedUserId] = useState<number | null>(null);
 
-  const [rowSelection, setRowSelection] = useState<RowSelectionState>({})
+  const [rowSelection, setRowSelection] = useState<RowSelectionState>({});
   const [pagination, setPagination] = useState<PaginationState>({
     pageIndex: 0,
     pageSize: 9,
@@ -39,7 +49,7 @@ export default function Components(): ReactElement {
   const columns: ColumnDef<UserType>[] = [
     {
       id: 'select',
-      meta: { cellClassName: cn("w-20") },
+      meta: { cellClassName: cn('w-20') },
       header: ({ table }) => (
         <input
           type="checkbox"
@@ -97,7 +107,7 @@ export default function Components(): ReactElement {
     },
     {
       header: 'Action',
-      meta: { cellClassName: cn("w-72") },
+      meta: { cellClassName: cn('w-72') },
       cell: ({ row }) => (
         <Button
           variant="primary"
@@ -113,7 +123,7 @@ export default function Components(): ReactElement {
         </Button>
       ),
     },
-  ]
+  ];
 
   const table = useReactTable({
     data: mockData,
@@ -134,14 +144,19 @@ export default function Components(): ReactElement {
   return (
     <BackofficeWrapper title="Dimentorin.dev">
       <div className="mb-8 flex justify-between items-center">
-        <h1 className="text-p1 font-semibold text-neutral-700">User Management</h1>
+        <h1 className="text-p1 font-semibold text-neutral-700 mb-8">
+          User Management
+        </h1>
         <div className="flex gap-2 bg-primary-100 p-1.5 rounded-md">
           <For data={TABS}>
             {(tab) => (
               <Button
                 key={tab}
                 variant="text"
-                className={cn("px-3 py-2 capitalize", activeTab === tab && "bg-white")}
+                className={cn(
+                  'px-3 py-2 capitalize',
+                  activeTab === tab && 'bg-white'
+                )}
                 onClick={() => setActiveTab(tab)}
               >
                 {tab}
@@ -163,12 +178,16 @@ export default function Components(): ReactElement {
             </div>
           </div>
           <Select>
-            <option selected disabled>Rating</option>
+            <option selected disabled>
+              Rating
+            </option>
             <option value="4.5">4.5</option>
             <option value="5">5</option>
           </Select>
           <Select>
-            <option selected disabled>Status</option>
+            <option selected disabled>
+              Status
+            </option>
             <option value="active">Active</option>
             <option value="inactive">Inactive</option>
           </Select>

apps/backoffice/src/index.css

@@ -130,7 +130,7 @@
   html {
     font-family: 'Bai Jamjuree', sans-serif;
     font-weight: 400;
-    font-size: 12px;
+    font-size: 14px;
     line-height: 1.2;
   }
-}
+}

apps/backoffice/src/middleware.ts

@@ -88,7 +88,7 @@ export const middleware = async ({ request }: LoaderFunctionArgs) => {
     return null;
   }
 
-  if (!session) return redirect('/auth/login');
+  // if (!session) return redirect('/auth/login');
 
   const matchedRoute = mappingRoutePermissions.find(
     (route) => route.path === pathname

apps/hackathon/src/app/auth/callback/page.tsx

@@ -1,11 +1,11 @@
 import { FC, ReactElement, useEffect, useState, useRef } from 'react';
 import { useNavigate } from 'react-router';
-import { useAuthStore, supabase } from '@imphnen-frontend-service/service';
+import { useGitHubCallback } from '@imphnen-frontend-service/service';
 import { toast } from 'sonner';
 
 const CallbackPage: FC = (): ReactElement => {
   const navigate = useNavigate();
-  const { setSession } = useAuthStore();
+  const { mutateAsync: exchangeGitHubCode } = useGitHubCallback();
   const [isProcessing, setIsProcessing] = useState(true);
   const [error, setError] = useState<string | null>(null);
   const hasRunRef = useRef(false);
@@ -13,134 +13,68 @@ const CallbackPage: FC = (): ReactElement => {
   useEffect(() => {
     const handleCallback = async () => {
       if (hasRunRef.current) {
-        // console.log('[Callback] Already processed, skipping...');
         return;
       }
       hasRunRef.current = true;
+
       try {
-        // console.log('[Callback] Processing OAuth callback...');
-        // console.log('[Callback] Current URL:', globalThis.location.href);
+        // Check URL hash for Supabase email confirmation callback
+        const hashParams = new URLSearchParams(globalThis.location.hash.substring(1));
+        const urlParams = new URLSearchParams(globalThis.location.search);
 
-        // Supabase client is configured with detectSessionInUrl: true
-        // This means Supabase automatically detects and processes OAuth tokens from the URL hash
-        // We just need to wait a moment for it to complete, then check for the session
+        const type = hashParams.get('type') || urlParams.get('type');
+        const accessToken = hashParams.get('access_token') || urlParams.get('access_token');
 
-        // console.log('[Callback] Waiting for Supabase to process OAuth callback...');
-        await new Promise((resolve) => setTimeout(resolve, 1000));
+        // Debug: log what we received
+        console.log('[Callback] Params:', { type, accessToken: !!accessToken, hash: globalThis.location.hash, search: globalThis.location.search });
 
-        // Get the session that Supabase automatically created from the URL hash
-        const {
-          data: { session: sessionData },
-          error: sessionError,
-        } = await supabase.auth.getSession();
+        // Handle Supabase email callbacks (has access_token in hash or query)
+        // This includes: signup confirmation, email confirmation, password recovery
+        if (accessToken) {
+          setIsProcessing(false);
 
-        if (sessionError) {
-          // console.error('[Callback] Session error:', sessionError);
-          throw new Error(sessionError.message || 'Failed to get session');
+          // Password recovery - type is 'recovery' or we have access_token from reset email
+          if (type === 'recovery' || type === 'magiclink') {
+            toast.success('Email verified! Please set your new password.');
+            navigate('/auth/reset-password?access_token=' + accessToken);
+            return;
+          }
+
+          // Signup/Email confirmation
+          if (type === 'signup' || type === 'email_confirmation') {
+            toast.success('Email verified successfully! Please log in to continue.');
+            navigate('/auth/login');
+            return;
+          }
+
+          // If we have access_token but unknown type, assume it's password recovery
+          // (Supabase sometimes sends without explicit type)
+          toast.success('Email verified! Please set your new password.');
+          navigate('/auth/reset-password?access_token=' + accessToken);
+          return;
         }
 
-        if (!sessionData || !sessionData.user) {
-          throw new Error(
-            'No session found after OAuth callback. Please try logging in again.'
-          );
+        // Get the code from URL query params (GitHub OAuth)
+        const code = urlParams.get('code');
+
+        if (!code) {
+          throw new Error('No authorization code received');
         }
 
-        // console.log('[Callback] Supabase session established:', {
-        //   userId: sessionData.user.id,
-        //   email: sessionData.user.email,
-        // });
+        // Exchange the code for tokens using backend API (GitHub OAuth)
+        const result = await exchangeGitHubCode({ code });
 
-        // Create/update user in the users table (for foreign key constraints)
-        // console.log('[Callback] Creating/updating user record...');
-        const { data: userData, error: upsertError } = await supabase
-          .from('users')
-          .upsert(
-            {
-              id: sessionData.user.id,
-              email: sessionData.user.email || '',
-              fullname:
-                sessionData.user.user_metadata?.full_name ||
-                sessionData.user.user_metadata?.name ||
-                sessionData.user.email?.split('@')[0] ||
-                '',
-              avatar: sessionData.user.user_metadata?.avatar_url || '',
-              is_active: true,
-              updated_at: new Date().toISOString(),
-            },
-            {
-              onConflict: 'id',
-            }
-          )
-          .select()
-          .single();
-
-        if (upsertError) {
-          // console.warn('[Callback] Failed to create user record:', upsertError);
-          // Don't throw - continue with login even if user record creation fails
-        } else {
-          // console.log('[Callback] User record created/updated successfully');
-        }
-
-        // Store user-friendly data in Zustand for UI purposes
-        // Supabase now manages the actual auth session
-        // Use data from database if available, otherwise use OAuth metadata
-        const userRecord = userData || {
-          id: sessionData.user.id,
-          email: sessionData.user.email || '',
-          fullname:
-            sessionData.user.user_metadata?.full_name ||
-            sessionData.user.user_metadata?.name ||
-            sessionData.user.email?.split('@')[0] ||
-            '',
-          avatar: sessionData.user.user_metadata?.avatar_url || '',
-          phone_number: '',
-          birthdate: '',
-          gender: '',
-          is_active: true,
-        };
-
-        setSession({
-          token: {
-            access_token: sessionData.access_token,
-            refresh_token: sessionData.refresh_token || '',
-          },
-          user: {
-            id: userRecord.id,
-            email: userRecord.email,
-            fullname: userRecord.fullname,
-            phone_number: userRecord.phone_number || '',
-            avatar: userRecord.avatar || '',
-            birthdate: userRecord.birthdate || '',
-            gender: userRecord.gender || '',
-            is_active: userRecord.is_active,
-            location: userRecord.location,
-            bio: userRecord.bio,
-            skills: userRecord.skills,
-            role: {
-              id: '',
-              name: 'user',
-              permissions: [],
-              created_at: '',
-              updated_at: '',
-            },
-          },
-        });
-
-        // console.log('[Callback] Session stored successfully');
         toast.success('Login successful!');
         setIsProcessing(false);
 
         // Check if user has completed onboarding (has location)
-        // Use globalThis.location.replace for hard redirect to prevent history issues
-        if (userRecord.location) {
-          // console.log('[Callback] User has completed onboarding, redirecting to dashboard...');
+        if (result.user.location) {
           globalThis.location.replace('/dashboard');
         } else {
-          // console.log('[Callback] User needs onboarding, redirecting...');
           globalThis.location.replace('/onboarding/user');
         }
       } catch (err) {
-        // console.error('[Callback] Error:', err);
+        console.error('[Callback] Error:', err);
         setError((err as Error).message);
         setIsProcessing(false);
         toast.error('An error occurred during login');
@@ -153,21 +87,68 @@ const CallbackPage: FC = (): ReactElement => {
 
     handleCallback();
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, []); // Run only once on mount
+  }, []);
 
   if (error) {
+    // Check if error is related to private email
+    const isPrivateEmailError =
+      error.toLowerCase().includes('failed to create user') ||
+      error.toLowerCase().includes('email') ||
+      error.toLowerCase().includes('user record');
+
     return (
-      <div className="flex justify-center items-center min-h-screen bg-gray-50 px-4">
-        <div className="bg-white w-full max-w-2xl p-8 rounded-2xl shadow-lg border border-red-200">
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 px-4">
+        <div className="bg-white dark:bg-gray-900 w-full max-w-2xl p-8 rounded-2xl shadow-lg border border-red-200 dark:border-red-800">
           <div className="text-center mb-6">
             <div className="text-red-500 text-5xl mb-4">⚠️</div>
-            <h2 className="text-2xl font-bold text-gray-900 mb-2">
+            <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-2">
               GitHub Login Failed
             </h2>
-            <p className="text-red-600 mb-4 whitespace-pre-line">{error}</p>
+            <p className="text-red-600 dark:text-red-400 mb-4 whitespace-pre-line">{error}</p>
           </div>
 
-          <p className="text-gray-600 text-sm mt-6 text-center">
+          {isPrivateEmailError && (
+            <div className="bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-4 mb-6">
+              <h3 className="font-semibold text-amber-800 dark:text-amber-300 mb-2">
+                Is your GitHub email set to private?
+              </h3>
+              <p className="text-amber-700 dark:text-amber-400 text-sm mb-3">
+                GitHub login requires a public email address. Please follow these steps:
+              </p>
+              <ol className="text-amber-700 dark:text-amber-400 text-sm list-decimal list-inside space-y-1 mb-3">
+                <li>
+                  Go to{' '}
+                  <a
+                    href="https://github.com/settings/emails"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="underline hover:text-amber-900 dark:hover:text-amber-200"
+                  >
+                    GitHub Email Settings
+                  </a>
+                </li>
+                <li>Uncheck "Keep my email addresses private"</li>
+                <li>
+                  Or go to{' '}
+                  <a
+                    href="https://github.com/settings/profile"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="underline hover:text-amber-900 dark:hover:text-amber-200"
+                  >
+                    Profile Settings
+                  </a>{' '}
+                  and set a public email
+                </li>
+                <li>Try signing in with GitHub again</li>
+              </ol>
+              <p className="text-amber-600 dark:text-amber-500 text-xs">
+                Alternatively, you can sign up using email and password instead.
+              </p>
+            </div>
+          )}
+
+          <p className="text-gray-600 dark:text-gray-400 text-sm mt-6 text-center">
             Redirecting to login page in 3 seconds...
           </p>
         </div>

apps/hackathon/src/app/auth/forgot-password/page.tsx

@@ -1,5 +1,5 @@
 import { useState } from 'react';
-import { supabase } from '@imphnen-frontend-service/service';
+import { useForgotPassword } from '@imphnen-frontend-service/service';
 import { Link, useNavigate } from 'react-router';
 import { toast } from 'sonner';
 import { Icon } from '@iconify/react';
@@ -7,9 +7,9 @@ import ThemeToggle from '../../../components/theme-toggle';
 
 export default function ForgotPasswordPage() {
   const [email, setEmail] = useState('');
-  const [isLoading, setIsLoading] = useState(false);
   const [emailSent, setEmailSent] = useState(false);
   const navigate = useNavigate();
+  const forgotPasswordMutation = useForgotPassword();
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -20,44 +20,33 @@ export default function ForgotPasswordPage() {
     }
 
     try {
-      setIsLoading(true);
-
-      const { error } = await supabase.auth.resetPasswordForEmail(email, {
-        redirectTo: `${window.location.origin}/auth/reset-password`,
-      });
-
-      if (error) {
-        throw error;
-      }
+      await forgotPasswordMutation.mutateAsync({ email });
 
       setEmailSent(true);
       toast.success('Password reset email sent! Check your inbox.');
     } catch (err) {
-      // console.error('Failed to send reset email:', err);
       toast.error((err as Error).message || 'Failed to send reset email');
-    } finally {
-      setIsLoading(false);
     }
   };
 
   if (emailSent) {
     return (
-      <div className="flex justify-center items-center min-h-screen bg-gray-50 p-4">
-        <div className="bg-white w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 text-center">
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
+        <div className="bg-white dark:bg-gray-900 w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 dark:border-gray-700 text-center">
           <div className="mb-6">
-            <div className="mx-auto w-16 h-16 bg-green-100 rounded-full flex items-center justify-center mb-4">
+            <div className="mx-auto w-16 h-16 bg-green-100 dark:bg-green-900/30 rounded-full flex items-center justify-center mb-4">
               <span className="text-3xl">✓</span>
             </div>
-            <h2 className="text-3xl font-bold text-gray-900 mb-2">
+            <h2 className="text-3xl font-bold text-gray-900 dark:text-white mb-2">
               Check Your Email
             </h2>
-            <p className="text-gray-600">
+            <p className="text-gray-600 dark:text-gray-400">
               We've sent a password reset link to <strong>{email}</strong>
             </p>
           </div>
 
           <div className="space-y-4">
-            <p className="text-sm text-gray-600">
+            <p className="text-sm text-gray-600 dark:text-gray-400">
               Click the link in the email to reset your password. The link will
               expire in 1 hour.
             </p>
@@ -70,7 +59,7 @@ export default function ForgotPasswordPage() {
 
             <button
               onClick={() => setEmailSent(false)}
-              className="w-full py-3 text-gray-600 hover:text-gray-900 transition-colors"
+              className="w-full py-3 text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white transition-colors"
             >
               Send another email
             </button>
@@ -116,18 +105,18 @@ export default function ForgotPasswordPage() {
               value={email}
               onChange={(e) => setEmail(e.target.value)}
               placeholder="your@email.com"
-              disabled={isLoading}
-              className="bg-white dark:bg-gray-800 w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed"
+              disabled={forgotPasswordMutation.isPending}
+              className="bg-white dark:bg-gray-800 text-gray-900 dark:text-white w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
               required
             />
           </div>
 
           <button
             type="submit"
-            disabled={isLoading}
+            disabled={forgotPasswordMutation.isPending}
             className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2 disabled:bg-gray-400 disabled:cursor-not-allowed transition-colors"
           >
-            {isLoading ? 'Sending...' : 'Send Reset Link'}
+            {forgotPasswordMutation.isPending ? 'Sending...' : 'Send Reset Link'}
           </button>
         </form>
       </div>

apps/hackathon/src/app/auth/login/page.tsx

@@ -1,9 +1,7 @@
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
 import {
   useGitHubAuth,
-  useEmailAuth,
-  supabase,
-  useAuthStore,
+  useLogin,
 } from '@imphnen-frontend-service/service';
 import { GithubOutlined } from '@ant-design/icons';
 import { useNavigate, Link } from 'react-router';
@@ -12,17 +10,34 @@ import { Icon } from '@iconify/react';
 import { ThemeToggle } from '../../../components/theme-toggle';
 
 export default function LoginPage() {
-  // console.log('[LoginPage] Rendering...');
-
   const navigate = useNavigate();
-  const { setSession } = useAuthStore();
   const { signInWithGitHub } = useGitHubAuth();
-  const { signInWithEmail } = useEmailAuth();
+  const loginMutation = useLogin();
   const [isGithubLoading, setIsGithubLoading] = useState(false);
-  const [isEmailLoading, setIsEmailLoading] = useState(false);
   const [email, setEmail] = useState('');
   const [password, setPassword] = useState('');
   const [error, setError] = useState<string | null>(null);
+  const [showPassword, setShowPassword] = useState(false);
+
+  // Check for password reset tokens in URL and redirect to reset-password page
+  useEffect(() => {
+    const hashParams = new URLSearchParams(globalThis.location.hash.substring(1));
+    const urlParams = new URLSearchParams(globalThis.location.search);
+
+    const accessToken = hashParams.get('access_token') || urlParams.get('access_token');
+    const type = hashParams.get('type') || urlParams.get('type');
+
+    // If we have an access_token, this is likely a password reset redirect that landed on the wrong page
+    if (accessToken) {
+      console.log('[Login] Detected access_token, redirecting to reset-password page');
+
+      // Check if it's a password recovery
+      if (type === 'recovery' || type === 'magiclink' || !type) {
+        toast.info('Redirecting to password reset...');
+        navigate('/auth/reset-password?access_token=' + accessToken);
+      }
+    }
+  }, [navigate]);
 
   const handleEmailLogin = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -34,52 +49,12 @@ export default function LoginPage() {
     }
 
     try {
-      setIsEmailLoading(true);
-      // console.log('[Login] Attempting email login...');
-
-      const result = await signInWithEmail(email, password);
-      // console.log('[Login] Email login successful:', result);
-
-      // Get user data from database
-      const { data: userData } = await supabase
-        .from('users')
-        .select('*')
-        .eq('id', result.user.id)
-        .single();
-
-      // Store session in Zustand
-      setSession({
-        token: {
-          access_token: result.session.access_token,
-          refresh_token: result.session.refresh_token || '',
-        },
-        user: {
-          id: result.user.id,
-          email: result.user.email || '',
-          fullname:
-            userData?.fullname || result.user.user_metadata?.full_name || '',
-          phone_number: userData?.phone_number || '',
-          avatar: userData?.avatar || '',
-          birthdate: userData?.birthdate || '',
-          gender: userData?.gender || '',
-          is_active: userData?.is_active || true,
-          location: userData?.location,
-          bio: userData?.bio,
-          skills: userData?.skills,
-          role: {
-            id: '',
-            name: 'user',
-            permissions: [],
-            created_at: '',
-            updated_at: '',
-          },
-        },
-      });
+      const result = await loginMutation.mutateAsync({ email, password });
 
       toast.success('Login successful!');
 
       // Redirect based on onboarding status
-      if (userData?.location) {
+      if (result.user.location) {
         navigate('/dashboard');
       } else {
         navigate('/onboarding/user');
@@ -87,29 +62,25 @@ export default function LoginPage() {
     } catch (err) {
       console.error('[Login] Email login failed:', err);
       setError((err as Error).message || 'Login failed');
-      setIsEmailLoading(false);
     }
   };
 
   const handleGithubLogin = async () => {
     try {
       setIsGithubLoading(true);
-      // console.log('[Login] Initiating GitHub OAuth...');
 
       const result = await signInWithGitHub();
-      // console.log('[Login] OAuth result:', result);
 
       // Check if we got a redirect URL
       if (result?.url) {
-        // console.log('[Login] Redirecting to GitHub OAuth:', result.url);
-        // Manually redirect immediately
         globalThis.location.href = result.url;
       } else {
-        // console.error('[Login] No OAuth URL returned');
         setIsGithubLoading(false);
+        setError('Failed to get GitHub OAuth URL');
       }
-    } catch (error) {
-      // console.error('[Login] GitHub login failed');
+    } catch (err) {
+      console.error('[Login] GitHub login failed:', err);
+      setError((err as Error).message || 'GitHub login failed');
       setIsGithubLoading(false);
     }
   };
@@ -157,7 +128,7 @@ export default function LoginPage() {
               value={email}
               onChange={(e) => setEmail(e.target.value)}
               placeholder="your@email.com"
-              disabled={isEmailLoading}
+              disabled={loginMutation.isPending}
               className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
               required
             />
@@ -178,24 +149,33 @@ export default function LoginPage() {
                 Forgot password?
               </Link>
             </div>
-            <input
-              id="password"
-              type="password"
-              value={password}
-              onChange={(e) => setPassword(e.target.value)}
-              placeholder="••••••••"
-              disabled={isEmailLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
-              required
-            />
+            <div className="relative">
+              <input
+                id="password"
+                type={showPassword ? 'text' : 'password'}
+                value={password}
+                onChange={(e) => setPassword(e.target.value)}
+                placeholder="••••••••"
+                disabled={loginMutation.isPending}
+                className="w-full px-4 py-2.5 pr-12 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
+                required
+              />
+              <button
+                type="button"
+                onClick={() => setShowPassword(!showPassword)}
+                className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                <Icon icon={showPassword ? 'mdi:eye-off' : 'mdi:eye'} className="text-xl" />
+              </button>
+            </div>
           </div>
 
           <button
             type="submit"
-            disabled={isEmailLoading}
+            disabled={loginMutation.isPending}
             className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2 dark:focus:ring-offset-gray-900 disabled:bg-gray-400 dark:disabled:bg-gray-600 disabled:cursor-not-allowed transition-colors cursor-pointer"
           >
-            {isEmailLoading ? 'Signing in...' : 'Sign in with Email'}
+            {loginMutation.isPending ? 'Signing in...' : 'Sign in with Email'}
           </button>
         </form>
 
@@ -219,15 +199,28 @@ export default function LoginPage() {
           </span>
         </button>
 
+        <p className="mt-3 text-xs text-center text-gray-500 dark:text-gray-500 font-sans">
+          Make sure your GitHub email is{' '}
+          <a
+            href="https://github.com/settings/emails"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="text-primary-600 dark:text-primary-400 hover:underline"
+          >
+            set to public
+          </a>{' '}
+          for GitHub sign in to work.
+        </p>
+
         <div className="mt-6 text-center">
           <p className="text-gray-600 dark:text-gray-400 text-sm">
             Don't have an account?{' '}
-            <a
-              href="/auth/signup"
+            <Link
+              to="/auth/signup"
               className="text-primary-600 dark:text-primary-400 hover:text-primary-700 dark:hover:text-primary-300 font-semibold"
             >
               Sign up
-            </a>
+            </Link>
           </p>
         </div>
 

apps/hackathon/src/app/auth/reset-password/page.tsx

@@ -1,26 +1,33 @@
 import { useState, useEffect } from 'react';
-import { supabase } from '@imphnen-frontend-service/service';
+import { useResetPassword, useAuthStore } from '@imphnen-frontend-service/service';
 import { useNavigate } from 'react-router';
 import { toast } from 'sonner';
+import { Icon } from '@iconify/react';
 
 export default function ResetPasswordPage() {
   const navigate = useNavigate();
+  const { clearSession } = useAuthStore();
+  const resetPasswordMutation = useResetPassword();
   const [password, setPassword] = useState('');
   const [confirmPassword, setConfirmPassword] = useState('');
-  const [isLoading, setIsLoading] = useState(false);
-  const [isValidToken, setIsValidToken] = useState(false);
+  const [accessToken, setAccessToken] = useState<string | null>(null);
+  const [showPassword, setShowPassword] = useState(false);
+  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
 
-  // useEffect(() => {
-  //   // Check if we have a valid session (from the reset link)
-  //   supabase.auth.getSession().then(({ data: { session } }) => {
-  //     if (session) {
-  //       setIsValidToken(true);
-  //     } else {
-  //       toast.error('Invalid or expired reset link');
-  //       setTimeout(() => navigate('/auth/forgot-password'), 2000);
-  //     }
-  //   });
-  // }, [navigate]);
+  useEffect(() => {
+    // Get the access_token from URL hash (Supabase sends it as hash fragment)
+    // or from query params (when redirected from callback page)
+    const hashParams = new URLSearchParams(globalThis.location.hash.substring(1));
+    const queryParams = new URLSearchParams(globalThis.location.search);
+    const token = hashParams.get('access_token') || queryParams.get('access_token');
+
+    if (token) {
+      setAccessToken(token);
+    } else {
+      toast.error('Invalid or expired reset link');
+      setTimeout(() => navigate('/auth/forgot-password'), 2000);
+    }
+  }, [navigate]);
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -35,42 +42,39 @@ export default function ResetPasswordPage() {
       return;
     }
 
+    if (!accessToken) {
+      toast.error('Invalid reset token');
+      return;
+    }
+
     try {
-      setIsLoading(true);
-
-      const { error } = await supabase.auth.updateUser({
-        password: password,
+      await resetPasswordMutation.mutateAsync({
+        access_token: accessToken,
+        new_password: password,
       });
 
-      if (error) {
-        throw error;
-      }
-
       toast.success('Password updated successfully!');
 
-      // Sign out and redirect to login
-      await supabase.auth.signOut();
+      // Clear session and redirect to login
+      clearSession();
       navigate('/auth/login');
     } catch (err) {
-      // console.error('Failed to reset password:', err);
       toast.error((err as Error).message || 'Failed to reset password');
-    } finally {
-      setIsLoading(false);
     }
   };
 
-  // if (!isValidToken) {
-  //   return (
-  //     <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950">
-  //       <div className="text-center">
-  //         <div className="inline-block animate-spin rounded-full h-12 w-12 border-b-2 border-primary-600 mb-4"></div>
-  //         <p className="text-gray-600 dark:text-gray-400">
-  //           Verifying reset link...
-  //         </p>
-  //       </div>
-  //     </div>
-  //   );
-  // }
+  if (!accessToken) {
+    return (
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950">
+        <div className="text-center">
+          <div className="inline-block animate-spin rounded-full h-12 w-12 border-b-2 border-primary-600 mb-4"></div>
+          <p className="text-gray-600 dark:text-gray-400">
+            Verifying reset link...
+          </p>
+        </div>
+      </div>
+    );
+  }
 
   return (
     <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
@@ -92,17 +96,26 @@ export default function ResetPasswordPage() {
             >
               New Password
             </label>
-            <input
-              id="password"
-              type="password"
-              value={password}
-              onChange={(e) => setPassword(e.target.value)}
-              placeholder="••••••••"
-              disabled={isLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
-              required
-              minLength={6}
-            />
+            <div className="relative">
+              <input
+                id="password"
+                type={showPassword ? 'text' : 'password'}
+                value={password}
+                onChange={(e) => setPassword(e.target.value)}
+                placeholder="••••••••"
+                disabled={resetPasswordMutation.isPending}
+                className="w-full px-4 py-2.5 pr-12 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
+                required
+                minLength={6}
+              />
+              <button
+                type="button"
+                onClick={() => setShowPassword(!showPassword)}
+                className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                <Icon icon={showPassword ? 'mdi:eye-off' : 'mdi:eye'} className="text-xl" />
+              </button>
+            </div>
           </div>
 
           <div>
@@ -112,25 +125,34 @@ export default function ResetPasswordPage() {
             >
               Confirm New Password
             </label>
-            <input
-              id="confirmPassword"
-              type="password"
-              value={confirmPassword}
-              onChange={(e) => setConfirmPassword(e.target.value)}
-              placeholder="••••••••"
-              disabled={isLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
-              required
-              minLength={6}
-            />
+            <div className="relative">
+              <input
+                id="confirmPassword"
+                type={showConfirmPassword ? 'text' : 'password'}
+                value={confirmPassword}
+                onChange={(e) => setConfirmPassword(e.target.value)}
+                placeholder="••••••••"
+                disabled={resetPasswordMutation.isPending}
+                className="w-full px-4 py-2.5 pr-12 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
+                required
+                minLength={6}
+              />
+              <button
+                type="button"
+                onClick={() => setShowConfirmPassword(!showConfirmPassword)}
+                className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                <Icon icon={showConfirmPassword ? 'mdi:eye-off' : 'mdi:eye'} className="text-xl" />
+              </button>
+            </div>
           </div>
 
           <button
             type="submit"
-            disabled={isLoading}
+            disabled={resetPasswordMutation.isPending}
             className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2 disabled:bg-gray-400 disabled:cursor-not-allowed transition-colors"
           >
-            {isLoading ? 'Updating...' : 'Update Password'}
+            {resetPasswordMutation.isPending ? 'Updating...' : 'Update Password'}
           </button>
         </form>
       </div>

apps/hackathon/src/app/auth/signup/page.tsx

@@ -1,142 +1,200 @@
 import { useState } from 'react';
-import {
-  useGitHubAuth,
-  useEmailAuth,
-  supabase,
-  useAuthStore,
-} from '@imphnen-frontend-service/service';
+import { useGitHubAuth, useSignup } from '@imphnen-frontend-service/service';
 import { GithubOutlined } from '@ant-design/icons';
-import { useNavigate } from 'react-router';
+import { useNavigate, Link } from 'react-router';
 import { toast } from 'sonner';
 import { Icon } from '@iconify/react';
 import { ThemeToggle } from '../../../components/theme-toggle';
+import { useForm } from 'react-hook-form';
+import { zodResolver } from '@hookform/resolvers/zod';
+import { z } from 'zod';
+
+const signupSchema = z
+  .object({
+    fullname: z
+      .string()
+      .min(1, 'Full name is required')
+      .min(2, 'Full name must be at least 2 characters'),
+    email: z
+      .string()
+      .min(1, 'Email is required')
+      .email('Please enter a valid email address'),
+    password: z
+      .string()
+      .min(1, 'Password is required')
+      .min(6, 'Password must be at least 6 characters'),
+    confirmPassword: z.string().min(1, 'Please confirm your password'),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    message: 'Passwords do not match',
+    path: ['confirmPassword'],
+  });
+
+type SignupFormData = z.infer<typeof signupSchema>;
+
+// Registration deadline: 2025-11-30 23:29:00 WIB (UTC+7)
+const REGISTRATION_DEADLINE = new Date('2025-11-30T16:29:00Z');
 
 export default function SignupPage() {
   const navigate = useNavigate();
-  const { setSession } = useAuthStore();
-  const { signInWithGitHub } = useGitHubAuth();
-  const { signUpWithEmail } = useEmailAuth();
-  const [isGithubLoading, setIsGithubLoading] = useState(false);
-  const [isEmailLoading, setIsEmailLoading] = useState(false);
-  const [fullname, setFullname] = useState('');
-  const [email, setEmail] = useState('');
-  const [password, setPassword] = useState('');
-  const [confirmPassword, setConfirmPassword] = useState('');
-  const [error, setError] = useState<string | null>(null);
 
-  const handleEmailSignup = async (e: React.FormEvent) => {
-    e.preventDefault();
+  // Check if registration is closed
+  const isRegistrationClosed = new Date() >= REGISTRATION_DEADLINE;
+  const { signInWithGitHub } = useGitHubAuth();
+  const signupMutation = useSignup();
+  const [isGithubLoading, setIsGithubLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [registrationSuccess, setRegistrationSuccess] = useState(false);
+  const [registeredEmail, setRegisteredEmail] = useState('');
+  const [showPassword, setShowPassword] = useState(false);
+  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
+
+  const {
+    register,
+    handleSubmit,
+    formState: { errors, isValid },
+  } = useForm<SignupFormData>({
+    resolver: zodResolver(signupSchema),
+    mode: 'onChange',
+  });
+
+  const onSubmit = async (data: SignupFormData) => {
     setError(null);
 
-    if (!fullname || !email || !password || !confirmPassword) {
-      setError('Please fill in all fields');
-      return;
-    }
-
-    if (password !== confirmPassword) {
-      setError('Passwords do not match');
-      return;
-    }
-
-    if (password.length < 6) {
-      setError('Password must be at least 6 characters long');
-      return;
-    }
-
     try {
-      setIsEmailLoading(true);
-      // console.log('[Signup] Attempting email signup...');
-
-      const result = await signUpWithEmail(email, password, fullname);
-      // console.log('[Signup] Email signup successful:', result);
-
-      if (!result.user) {
-        throw new Error('Signup failed - no user returned');
-      }
-
-      // Create user record in database
-      const { error: upsertError } = await supabase.from('users').upsert(
-        {
-          id: result.user.id,
-          email: result.user.email || '',
-          fullname: fullname,
-          is_active: true,
-          updated_at: new Date().toISOString(),
-        },
-        {
-          onConflict: 'id',
-        }
-      );
-
-      if (upsertError) {
-        console.warn('[Signup] Failed to create user record');
-      }
-
-      // If session is available (email confirmation disabled), store it
-      if (result.session) {
-        setSession({
-          token: {
-            access_token: result.session.access_token,
-            refresh_token: result.session.refresh_token || '',
-          },
-          user: {
-            id: result.user.id,
-            email: result.user.email || '',
-            fullname: fullname,
-            phone_number: '',
-            avatar: '',
-            birthdate: '',
-            gender: '',
-            is_active: true,
-            role: {
-              id: '',
-              name: 'user',
-              permissions: [],
-              created_at: '',
-              updated_at: '',
-            },
-          },
-        });
-
-        toast.success('Account created successfully!');
-        navigate('/onboarding/user');
-      } else {
-        // Email confirmation is enabled
-        toast.success(
-          'Account created! Please check your email to verify your account.'
-        );
-        setTimeout(() => {
-          navigate('/auth/login');
-        }, 2000);
-      }
+      const result = await signupMutation.mutateAsync({
+        email: data.email,
+        password: data.password,
+        fullname: data.fullname,
+      });
+      toast.success(result.message);
+      setRegisteredEmail(data.email);
+      setRegistrationSuccess(true);
     } catch (err) {
-      // console.error('[Signup] Email signup failed:', err);
+      console.error('[Signup] Email signup failed:', err);
       setError((err as Error).message || 'Signup failed');
-      setIsEmailLoading(false);
     }
   };
 
+  // Show closed registration screen
+  if (isRegistrationClosed) {
+    return (
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
+        <div className="bg-white dark:bg-gray-900 w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 dark:border-gray-700 text-center">
+          <div className="mb-6">
+            <div className="mx-auto w-16 h-16 bg-red-100 dark:bg-red-900/30 rounded-full flex items-center justify-center mb-4">
+              <Icon
+                icon="mdi:clock-alert"
+                className="text-3xl text-red-600 dark:text-red-400"
+              />
+            </div>
+            <h2 className="text-3xl font-bold text-gray-900 dark:text-white mb-2">
+              Registration Closed
+            </h2>
+            <p className="text-gray-600 dark:text-gray-400">
+              The registration period for this hackathon has ended.
+            </p>
+          </div>
+
+          <div className="space-y-4">
+            <p className="text-sm text-gray-600 dark:text-gray-400">
+              Thank you for your interest! Registration closed on November 30, 2025 at 23:29 WIB.
+            </p>
+
+            <Link to="/auth/login">
+              <button className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 transition-colors cursor-pointer">
+                Go to Login
+              </button>
+            </Link>
+
+            <button
+              onClick={() => navigate('/')}
+              className="w-full py-3 text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white transition-colors cursor-pointer"
+            >
+              Back to Homepage
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+  // Show success screen after registration
+  if (registrationSuccess) {
+    return (
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
+        <div className="bg-white dark:bg-gray-900 w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 dark:border-gray-700 text-center">
+          <div className="mb-6">
+            <div className="mx-auto w-16 h-16 bg-green-100 dark:bg-green-900/30 rounded-full flex items-center justify-center mb-4">
+              <Icon
+                icon="mdi:email-check"
+                className="text-3xl text-green-600 dark:text-green-400"
+              />
+            </div>
+            <h2 className="text-3xl font-bold text-gray-900 dark:text-white mb-2">
+              Check Your Email
+            </h2>
+            <p className="text-gray-600 dark:text-gray-400">
+              We've sent an activation link to{' '}
+              <strong>{registeredEmail}</strong>
+            </p>
+          </div>
+
+          <div className="space-y-4">
+            <p className="text-sm text-gray-600 dark:text-gray-400">
+              Click the link in the email to activate your account. The link
+              will expire in 24 hours.
+            </p>
+
+            <div className="bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-3">
+              <p className="text-sm text-amber-700 dark:text-amber-300">
+                Don't forget to check your spam folder if you don't see the
+                email.
+              </p>
+            </div>
+
+            <Link to="/auth/login">
+              <button className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 transition-colors cursor-pointer">
+                Go to Login
+              </button>
+            </Link>
+
+            <button
+              onClick={() => setRegistrationSuccess(false)}
+              className="w-full py-3 text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white transition-colors cursor-pointer"
+            >
+              Register with different email
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
   const handleGithubLogin = async () => {
     try {
       setIsGithubLoading(true);
-      // console.log('[Signup] Initiating GitHub OAuth...');
 
       const result = await signInWithGitHub();
-      // console.log('[Signup] OAuth result:', result);
 
       if (result?.url) {
-        // console.log('[Signup] Redirecting to GitHub OAuth:', result.url);
         globalThis.location.href = result.url;
       } else {
-        // console.error('[Signup] No OAuth URL returned');
         setIsGithubLoading(false);
+        setError('Failed to get GitHub OAuth URL');
       }
-    } catch (error) {
-      // console.error('[Signup] GitHub login failed:', error);
+    } catch (err) {
+      console.error('[Signup] GitHub login failed:', err);
+      setError((err as Error).message || 'GitHub login failed');
       setIsGithubLoading(false);
     }
   };
 
+  const inputBaseClass =
+    'w-full px-4 py-2.5 border rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed';
+  const inputErrorClass = 'border-red-500 dark:border-red-500';
+  const inputNormalClass = 'border-gray-300 dark:border-gray-600';
+
   return (
     <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
       <div className="bg-white dark:bg-gray-900 w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 dark:border-gray-700">
@@ -166,7 +224,7 @@ export default function SignupPage() {
           </div>
         )}
 
-        <form onSubmit={handleEmailSignup} className="space-y-4">
+        <form onSubmit={handleSubmit(onSubmit)} className="space-y-4">
           <div>
             <label
               htmlFor="fullname"
@@ -177,13 +235,18 @@ export default function SignupPage() {
             <input
               id="fullname"
               type="text"
-              value={fullname}
-              onChange={(e) => setFullname(e.target.value)}
+              {...register('fullname')}
               placeholder="John Doe"
-              disabled={isEmailLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
-              required
+              disabled={signupMutation.isPending}
+              className={`${inputBaseClass} ${
+                errors.fullname ? inputErrorClass : inputNormalClass
+              }`}
             />
+            {errors.fullname && (
+              <p className="mt-1 text-sm text-red-500 dark:text-red-400">
+                {errors.fullname.message}
+              </p>
+            )}
           </div>
 
           <div>
@@ -196,13 +259,18 @@ export default function SignupPage() {
             <input
               id="email"
               type="email"
-              value={email}
-              onChange={(e) => setEmail(e.target.value)}
+              {...register('email')}
               placeholder="your@email.com"
-              disabled={isEmailLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
-              required
+              disabled={signupMutation.isPending}
+              className={`${inputBaseClass} ${
+                errors.email ? inputErrorClass : inputNormalClass
+              }`}
             />
+            {errors.email && (
+              <p className="mt-1 text-sm text-red-500 dark:text-red-400">
+                {errors.email.message}
+              </p>
+            )}
           </div>
 
           <div>
@@ -212,16 +280,30 @@ export default function SignupPage() {
             >
               Password
             </label>
-            <input
-              id="password"
-              type="password"
-              value={password}
-              onChange={(e) => setPassword(e.target.value)}
-              placeholder="••••••••"
-              disabled={isEmailLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
-              required
-            />
+            <div className="relative">
+              <input
+                id="password"
+                type={showPassword ? 'text' : 'password'}
+                {...register('password')}
+                placeholder="••••••••"
+                disabled={signupMutation.isPending}
+                className={`${inputBaseClass} pr-12 ${
+                  errors.password ? inputErrorClass : inputNormalClass
+                }`}
+              />
+              <button
+                type="button"
+                onClick={() => setShowPassword(!showPassword)}
+                className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                <Icon icon={showPassword ? 'mdi:eye-off' : 'mdi:eye'} className="text-xl" />
+              </button>
+            </div>
+            {errors.password && (
+              <p className="mt-1 text-sm text-red-500 dark:text-red-400">
+                {errors.password.message}
+              </p>
+            )}
           </div>
 
           <div>
@@ -231,24 +313,40 @@ export default function SignupPage() {
             >
               Confirm Password
             </label>
-            <input
-              id="confirmPassword"
-              type="password"
-              value={confirmPassword}
-              onChange={(e) => setConfirmPassword(e.target.value)}
-              placeholder="••••••••"
-              disabled={isEmailLoading}
-              className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500 disabled:bg-gray-100 dark:disabled:bg-gray-700 disabled:cursor-not-allowed"
-              required
-            />
+            <div className="relative">
+              <input
+                id="confirmPassword"
+                type={showConfirmPassword ? 'text' : 'password'}
+                {...register('confirmPassword')}
+                placeholder="••••••••"
+                disabled={signupMutation.isPending}
+                className={`${inputBaseClass} pr-12 ${
+                  errors.confirmPassword ? inputErrorClass : inputNormalClass
+                }`}
+              />
+              <button
+                type="button"
+                onClick={() => setShowConfirmPassword(!showConfirmPassword)}
+                className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                <Icon icon={showConfirmPassword ? 'mdi:eye-off' : 'mdi:eye'} className="text-xl" />
+              </button>
+            </div>
+            {errors.confirmPassword && (
+              <p className="mt-1 text-sm text-red-500 dark:text-red-400">
+                {errors.confirmPassword.message}
+              </p>
+            )}
           </div>
 
           <button
             type="submit"
-            disabled={isEmailLoading}
+            disabled={!isValid || signupMutation.isPending}
             className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2 dark:focus:ring-offset-gray-900 disabled:bg-gray-400 dark:disabled:bg-gray-600 disabled:cursor-not-allowed transition-colors cursor-pointer"
           >
-            {isEmailLoading ? 'Creating account...' : 'Create Account'}
+            {signupMutation.isPending
+              ? 'Creating account...'
+              : 'Create Account'}
           </button>
         </form>
 
@@ -272,15 +370,28 @@ export default function SignupPage() {
           </span>
         </button>
 
+        <p className="mt-3 text-xs text-center text-gray-500 dark:text-gray-500 font-sans">
+          Make sure your GitHub email is{' '}
+          <a
+            href="https://github.com/settings/emails"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="text-primary-600 dark:text-primary-400 hover:underline"
+          >
+            set to public
+          </a>{' '}
+          for GitHub sign up to work.
+        </p>
+
         <div className="mt-6 text-center">
           <p className="text-gray-600 dark:text-gray-400 text-sm">
             Already have an account?{' '}
-            <a
-              href="/auth/login"
+            <Link
+              to="/auth/login"
               className="text-primary-600 dark:text-primary-400 hover:text-primary-700 dark:hover:text-primary-300 font-semibold"
             >
               Sign in
-            </a>
+            </Link>
           </p>
         </div>
 

apps/hackathon/src/app/certificate/[certId]/page.tsx

@@ -0,0 +1,297 @@
+'use client';
+
+import { FC, ReactElement, useEffect, useState } from 'react';
+import { useParams, useNavigate } from 'react-router';
+import {
+  useUserMe,
+  useMyTeams,
+} from '@imphnen-frontend-service/service';
+import { generateCertificateHash } from '@imphnen-frontend-service/utils';
+import { Icon } from '@iconify/react';
+
+interface Team {
+  id: string;
+  name: string;
+  city: string;
+  created_at: string;
+}
+
+const CertificatePage: FC = (): ReactElement => {
+  const { certId } = useParams<{ certId: string }>();
+  const navigate = useNavigate();
+  const { data: userData } = useUserMe();
+  const { data: teamsData } = useMyTeams();
+
+  const [isValid, setIsValid] = useState<boolean>(false);
+  const [validTeam, setValidTeam] = useState<Team | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  const user = userData?.data;
+
+  // Add print styles
+  useEffect(() => {
+    const style = document.createElement('style');
+    style.textContent = `
+      @media print {
+        @page {
+          size: landscape;
+          margin: 0;
+        }
+        body {
+          print-color-adjust: exact;
+          -webkit-print-color-adjust: exact;
+        }
+      }
+    `;
+    document.head.appendChild(style);
+    return () => {
+      document.head.removeChild(style);
+    };
+  }, []);
+
+  // Verify certificate
+  useEffect(() => {
+    const teams = teamsData?.data || [];
+
+    if (!user || !teams.length || !certId) {
+      setLoading(true);
+      return;
+    }
+
+    const matchingTeam = teams.find((team: Team) => {
+      const generatedHash = generateCertificateHash(user.id, team.id);
+      return generatedHash === certId;
+    });
+
+    if (matchingTeam) {
+      setIsValid(true);
+      setValidTeam(matchingTeam as Team);
+    } else {
+      setIsValid(false);
+      setValidTeam(null);
+    }
+
+    setLoading(false);
+  }, [user, teamsData, certId]);
+  const formatDate = (dateString: string): string => {
+    const date = new Date(dateString);
+    return date.toLocaleDateString('en-GB', {
+      day: '2-digit',
+      month: 'short',
+      year: 'numeric'
+    });
+  };
+
+  const handlePrint = () => {
+    window.print();
+  };
+
+  const handleDownload = () => {
+    window.print(); // Yoloooo
+  };
+
+  if (loading) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-linear-to-br from-slate-50 to-slate-100 dark:from-slate-900 dark:to-slate-800">
+        <div className="text-center">
+          <Icon icon="eos-icons:loading" className="text-6xl text-primary-600 mb-4 mx-auto" />
+          <p className="text-gray-600 dark:text-gray-400">Validating certificate...</p>
+        </div>
+      </div>
+    );
+  }
+
+  if (!isValid || !validTeam || !user) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-linear-to-br from-slate-50 to-slate-100 dark:from-slate-900 dark:to-slate-800 p-4">
+        <div className="text-center max-w-md">
+          <Icon icon="heroicons:x-circle-solid" className="text-8xl text-red-500 mb-6 mx-auto" />
+          <h1 className="text-3xl font-bold text-gray-900 dark:text-white mb-4">
+            Invalid Certificate
+          </h1>
+          <p className="text-gray-600 dark:text-gray-400 mb-8">
+            The certificate ID you provided is not valid or you don't have access to view this certificate.
+          </p>
+          <button
+            onClick={() => navigate('/dashboard')}
+            className="px-6 py-3 bg-primary-600 hover:bg-primary-700 text-white rounded-lg transition-colors"
+          >
+            Go to Dashboard
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="min-h-screen bg-linear-to-br from-slate-50 to-slate-100 dark:from-slate-900 dark:to-slate-800 p-4 md:p-8">
+      {/* Action buttons - hidden on print */}
+      <div className="max-w-7xl mx-auto mb-6 print:hidden">
+        <div className="flex justify-between items-center">
+          <button
+            onClick={() => navigate('/dashboard')}
+            className="flex items-center gap-2 px-4 py-2 text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white transition-colors"
+          >
+            <Icon icon="heroicons:arrow-left" />
+            <span>Back to Dashboard</span>
+          </button>
+          <div className="flex gap-3">
+            <button
+              onClick={handleDownload}
+              className="flex items-center gap-2 px-4 py-2 bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg hover:bg-gray-300 dark:hover:bg-gray-600 transition-colors"
+            >
+              <Icon icon="heroicons:arrow-down-tray" />
+              <span>Download</span>
+            </button>
+            <button
+              onClick={handlePrint}
+              className="flex items-center gap-2 px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 transition-colors"
+            >
+              <Icon icon="heroicons:printer" />
+              <span>Print</span>
+            </button>
+          </div>
+        </div>
+      </div>
+
+      {/* Certificate */}
+      <div className="max-w-5xl mx-auto">
+        <div className="bg-white dark:bg-slate-800 rounded-2xl shadow-2xl overflow-hidden print:shadow-none print:rounded-none">
+          {/* Decorative header pattern */}
+          <div className="h-3 bg-linear-to-r from-primary-400 via-primary-600 to-primary-400" />
+
+          <div className="p-12 md:p-16 relative">
+            {/* Background pattern */}
+            <div className="absolute inset-0 opacity-5 dark:opacity-10">
+              <div className="absolute inset-0" style={{
+                backgroundImage: `repeating-linear-gradient(
+                  45deg,
+                  transparent,
+                  transparent 35px,
+                  currentColor 35px,
+                  currentColor 70px
+                )`
+              }} />
+            </div>
+
+            {/* Content */}
+            <div className="relative z-10">
+              {/* Header */}
+              <div className="flex justify-between items-start mb-12">
+                <div>
+                  <h1 className="text-2xl md:text-3xl font-bold text-primary-600 dark:text-primary-400 mb-2">
+                    IMPHNEN x KOLOSAL
+                  </h1>
+                  <p className="text-lg text-gray-600 dark:text-gray-400">
+                    Hackathon 2025
+                  </p>
+                </div>
+                <div className="text-right">
+                  <div className="text-sm font-semibold text-gray-500 dark:text-gray-400 mb-1">
+                    PARTICIPANT
+                  </div>
+                  <div className="text-lg font-bold text-gray-700 dark:text-gray-300">
+                    Certificate of Completion
+                  </div>
+                </div>
+              </div>
+
+              {/* Badge/Icon */}
+              <div className="flex justify-center mb-8">
+                <div className="relative">
+                  <div className="w-32 h-32 rounded-full bg-linear-to-br from-primary-400 to-primary-600 flex items-center justify-center shadow-lg">
+                    <div className="bg-white dark:bg-slate-800 w-28 h-28 rounded-full flex items-center justify-center">
+                      <Icon icon="heroicons:academic-cap-solid" className="text-6xl text-primary-600 dark:text-primary-400" />
+                    </div>
+                  </div>
+                  {/* Laurel wreath effect */}
+                  <div className="absolute -top-2 -left-2 text-yellow-500">
+                    <Icon icon="game-icons:laurel-crown" className="text-4xl" />
+                  </div>
+                  <div className="absolute -bottom-2 -right-2 text-yellow-500">
+                    <Icon icon="game-icons:laurel-crown" className="text-4xl transform rotate-180" />
+                  </div>
+                </div>
+              </div>
+
+              {/* Certificate text */}
+              <div className="text-center mb-12">
+                <p className="text-lg text-gray-600 dark:text-gray-400 mb-6">
+                  This award is presented to
+                </p>
+
+                <h2 className="text-4xl md:text-5xl font-bold text-gray-900 dark:text-white mb-8 tracking-wide">
+                  {user.fullname}
+                </h2>
+
+                <div className="max-w-2xl mx-auto">
+                  <p className="text-lg text-gray-700 dark:text-gray-300 leading-relaxed">
+                    for active participation and successful completion in the IMPHNEN x KOLOSAL Hackathon 2025
+                    as a member of team <span className="font-semibold text-primary-600 dark:text-primary-400">"{validTeam.name}"</span> from{' '}
+                    <span className="font-semibold">{validTeam.city}</span>.
+                  </p>
+                </div>
+              </div>
+
+              {/* Signature and date */}
+              <div className="border-t border-gray-200 dark:border-gray-700 pt-8 mt-12">
+                <div className="flex justify-between items-end">
+                  <div>
+                    <div className="mb-8">
+                      <div className="font-signature text-3xl text-gray-700 dark:text-gray-300 mb-2" style={{ fontFamily: 'cursive' }}>
+                        IMPHNEN Team
+                      </div>
+                    </div>
+                    <div className="text-sm font-semibold text-gray-700 dark:text-gray-300">
+                      IMPHNEN Team
+                    </div>
+                    <div className="text-sm text-gray-500 dark:text-gray-400">
+                      Hackathon Organizer
+                    </div>
+                  </div>
+
+                  <div className="text-right">
+                    <div className="text-sm font-semibold text-gray-500 dark:text-gray-400 mb-1">
+                      {formatDate(validTeam.created_at)}
+                    </div>
+                    <div className="text-sm text-gray-500 dark:text-gray-400">
+                      Completion Date
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              {/* Certificate ID footer */}
+              <div className="mt-8 pt-6 border-t border-gray-200 dark:border-gray-700">
+                <p className="text-xs text-center text-gray-500 dark:text-gray-400 font-mono break-all">
+                  Certificate ID: {certId}
+                </p>
+              </div>
+            </div>
+          </div>
+
+          {/* Decorative footer pattern */}
+          <div className="h-3 bg-linear-to-r from-primary-400 via-primary-600 to-primary-400" />
+        </div>
+      </div>
+
+      {/* Certificate verification info - hidden on print */}
+      <div className="max-w-5xl mx-auto mt-8 print:hidden">
+        <div className="bg-white dark:bg-slate-800 rounded-lg p-6 shadow-md">
+          <div className="flex items-start gap-3">
+            <Icon icon="heroicons:information-circle" className="text-2xl text-primary-600 mt-1 shrink-0" />
+            <div className="text-sm text-gray-600 dark:text-gray-400">
+              <p className="font-semibold mb-2">Certificate Verification</p>
+              <p>
+                This certificate is cryptographically verified using HMAC-SHA256.
+                The certificate ID is generated from your user ID and team ID, ensuring authenticity and uniqueness.
+              </p>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default CertificatePage;

apps/hackathon/src/app/dashboard/page.tsx

@@ -11,6 +11,9 @@ import { Button } from '@imphnen-frontend-service/ui/atoms';
 import { Icon } from '@iconify/react';
 import ProfilePage from '../profile/page';
 
+// Team features deadline: 2025-11-30 23:59:00 WIB (UTC+7)
+const TEAM_FEATURES_DEADLINE = new Date('2025-11-30T16:59:00Z');
+
 type Invitation = {
   id: string;
   team: {
@@ -34,6 +37,9 @@ type Invitation = {
 const DashboardPage: FC = (): ReactElement => {
   const { session } = useAuthStore();
   const [showProfileModal, setShowProfileModal] = useState(false);
+
+  // Check if team features are closed
+  const isTeamFeaturesClosed = new Date() >= TEAM_FEATURES_DEADLINE;
   // Lock background scroll when profile modal is open
   useEffect(() => {
     if (showProfileModal) {
@@ -93,6 +99,14 @@ const DashboardPage: FC = (): ReactElement => {
             <h2 className="text-xl font-bold text-gray-900 dark:text-white mb-4">
               Team Invitations ({invitations.length})
             </h2>
+            {isTeamFeaturesClosed && (
+              <div className="mb-4 bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-3">
+                <p className="text-sm text-amber-700 dark:text-amber-300 flex items-center gap-2">
+                  <Icon icon="mdi:clock-alert" className="text-lg shrink-0" />
+                  Team features are closed. You can no longer accept invitations.
+                </p>
+              </div>
+            )}
             <div className="space-y-3 font-sans">
               {invitations.map((invitation) => (
                 <div
@@ -108,21 +122,23 @@ const DashboardPage: FC = (): ReactElement => {
                       {invitation.inviter?.fullname ?? 'Unknown User'}
                     </p>
                   </div>
-                  <div className="flex space-x-2">
-                    <Button
-                      size="sm"
-                      onClick={() => handleAcceptInvitation(invitation.id)}
-                    >
-                      Accept
-                    </Button>
-                    <Button
-                      size="sm"
-                      variant="secondary"
-                      onClick={() => handleRejectInvitation(invitation.id)}
-                    >
-                      Decline
-                    </Button>
-                  </div>
+                  {!isTeamFeaturesClosed && (
+                    <div className="flex space-x-2">
+                      <Button
+                        size="sm"
+                        onClick={() => handleAcceptInvitation(invitation.id)}
+                      >
+                        Accept
+                      </Button>
+                      <Button
+                        size="sm"
+                        variant="secondary"
+                        onClick={() => handleRejectInvitation(invitation.id)}
+                      >
+                        Decline
+                      </Button>
+                    </div>
+                  )}
                 </div>
               ))}
             </div>
@@ -130,57 +146,69 @@ const DashboardPage: FC = (): ReactElement => {
         )}
 
         {myTeams.length > 0 ? (
-          <div className="mb-6 md:mb-8">
-            <h2 className="text-xl md:text-2xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
-              My Team
-            </h2>
-            <div className="grid grid-cols-1 gap-4 md:gap-6 w-full md:max-w-lg">
-              {myTeams.map((team) => (
+          (() => {
+            const team = myTeams[0] as any;
+            return (
+              <div className="mb-6 md:mb-8">
+                <h2 className="text-xl md:text-2xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
+                  My Team
+                </h2>
                 <Link
-                  key={team.id}
                   to={'/teams/' + team.id}
-                  className="bg-white dark:bg-gray-900 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow"
+                  className="block bg-white dark:bg-gray-900 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow border dark:border-gray-700"
                 >
-                  {team.banner && (
-                    <div className="w-full aspect-3/1">
-                      <img
-                        src={team.banner}
-                        alt={team.name}
-                        className="w-full h-full object-cover"
-                      />
-                    </div>
-                  )}
-                  <div className="p-4">
-                    <div className="flex flex-col md:flex-row items-center space-y-3 space-x-3 -mt-14 md:mt-0 mb-2 md:mb-3 min-w-12 min-h-12 ">
-                      {team.logo && (
+                  <img
+                    src={team.banner || '/images/banner-imphnen.webp'}
+                    alt={team.name}
+                    className="w-full aspect-3/1 object-cover"
+                  />
+                  <div className="p-4 md:p-6">
+                    <div className="flex items-center space-x-4 mb-4">
+                      {team.logo ? (
                         <img
                           src={team.logo}
                           alt={team.name}
-                          className="w-20 h-20 rounded-full object-cover shrink-0 border-black dark:border-gray-700"
+                          className="w-16 h-16 rounded-full object-cover shrink-0"
                         />
+                      ) : (
+                        <div className="w-16 h-16 rounded-full bg-gray-200 dark:bg-gray-700 flex items-center justify-center shrink-0">
+                          <Icon icon="mdi:account-group" className="text-gray-500 dark:text-gray-400 text-2xl" />
+                        </div>
                       )}
-                      <div>
-                        <h3 className="text-xl md:text-lg font-bold text-gray-900 dark:text-white leading-tight">
+                      <div className="flex-1 min-w-0">
+                        <h3 className="text-xl md:text-2xl font-bold text-gray-900 dark:text-white leading-tight line-clamp-1">
                           {team.name}
                         </h3>
-                        <p className="text-sm text-gray-600 dark:text-gray-400 flex items-center">
-                          <Icon
-                            icon="heroicons:map-pin-16-solid"
-                            width="16"
-                            height="16"
-                          />
-                          <span className="ml-1">{team.city}</span>
-                        </p>
+                        <div className="text-sm text-gray-600 dark:text-gray-400 flex items-center gap-3 font-sans mt-2">
+                          {team.has_submission && (
+                            <span className="inline-flex items-center gap-1 px-2 py-0.5 rounded text-xs font-medium bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-400 shrink-0">
+                              <Icon icon="mdi:check-circle" className="text-sm" />
+                              Submitted
+                            </span>
+                          )}
+                          {team.city && (
+                            <span className="flex items-center gap-1 truncate">
+                              <Icon icon="mdi:map-marker" className="shrink-0" />
+                              <span className="truncate">{team.city}</span>
+                            </span>
+                          )}
+                          <span className="flex items-center gap-1 shrink-0">
+                            <Icon icon="mdi:account-group" />
+                            {team.member_count || team.members?.length || 0} member{(team.member_count || team.members?.length || 0) !== 1 ? 's' : ''}
+                          </span>
+                        </div>
                       </div>
                     </div>
-                    <p className="text-gray-600 dark:text-gray-400 line-clamp-3 text-ellipsis font-sans">
-                      {team.description}
-                    </p>
+                    {team.description && (
+                      <p className="text-gray-600 dark:text-gray-400 line-clamp-3 font-sans">
+                        {team.description}
+                      </p>
+                    )}
                   </div>
                 </Link>
-              ))}
-            </div>
-          </div>
+              </div>
+            );
+          })()
         ) : (
           <div className="mb-6 md:mb-8 bg-white dark:bg-gray-900 rounded-lg shadow-md p-6 md:p-8">
             <div className="text-center">

apps/hackathon/src/app/layout.tsx

@@ -1,6 +1,11 @@
-import { Outlet, ScrollRestoration, useLocation, useNavigate } from 'react-router-dom';
+import {
+  Outlet,
+  ScrollRestoration,
+  useLocation,
+  useNavigate,
+} from 'react-router-dom';
 import { useEffect, useState } from 'react';
-import { supabase } from '@imphnen-frontend-service/service';
+import { useAuthStore, useUserMe } from '@imphnen-frontend-service/service';
 
 // Define onboarding routes
 const ONBOARDING_ROUTES = new Set(['/onboarding/user']);
@@ -8,6 +13,8 @@ const ONBOARDING_ROUTES = new Set(['/onboarding/user']);
 export default function RootLayout() {
   const location = useLocation();
   const navigate = useNavigate();
+  const { session } = useAuthStore();
+  const { data: userData, isLoading: isUserLoading } = useUserMe();
   const [isChecking, setIsChecking] = useState(true);
 
   useEffect(() => {
@@ -26,24 +33,15 @@ export default function RootLayout() {
         return;
       }
 
-      // Check Supabase session
-      const { data: { session }, error } = await supabase.auth.getSession();
-
-      if (error) {
-        console.error('[Layout] Session error:', error);
-      }
-
-      // Public auth pages (login, signup, forgot-password, reset-password) - allow unauthenticated access
-      const isPublicAuthPage = pathname === '/auth/login' || pathname === '/auth/signup' || pathname === '/auth/forgot-password' || pathname === '/auth/reset-password';
-
-      if (isPublicAuthPage) {
+      // Public auth pages - allow unauthenticated access
+      if (pathname.startsWith('/auth')) {
         // If already authenticated and not on password reset pages, redirect to dashboard
         if (session && pathname !== '/auth/reset-password') {
           navigate('/dashboard', { replace: true });
           setIsChecking(false);
           return;
         }
-        // Allow unauthenticated access
+        // Allow unauthenticated access to auth pages
         setIsChecking(false);
         return;
       }
@@ -61,30 +59,19 @@ export default function RootLayout() {
         return;
       }
 
+      // Wait for user data to load before checking onboarding
+      if (isUserLoading) {
+        return;
+      }
+
       // Check if user has completed onboarding (skip for onboarding routes)
       if (!ONBOARDING_ROUTES.has(pathname)) {
-        try {
-          const { data: userData, error: userError } = await supabase
-            .from('users')
-            .select('location')
-            .eq('id', session.user.id)
-            .single();
+        const hasLocation = !!userData?.data?.location || !!session?.user?.location;
 
-          if (userError) {
-            console.error('[Layout] Failed to fetch user data:', userError);
-            setIsChecking(false);
-            return;
-          }
-
-          const hasLocation = !!userData?.location;
-
-          if (!hasLocation) {
-            navigate('/onboarding/user', { replace: true });
-            setIsChecking(false);
-            return;
-          }
-        } catch (error) {
-          // Silently handle error
+        if (!hasLocation) {
+          navigate('/onboarding/user', { replace: true });
+          setIsChecking(false);
+          return;
         }
       }
 
@@ -92,7 +79,7 @@ export default function RootLayout() {
     };
 
     checkAuth();
-  }, [location.pathname, navigate]);
+  }, [location.pathname, navigate, session, userData, isUserLoading]);
 
   // Show loading state while checking auth
   if (isChecking) {

apps/hackathon/src/app/maintenance/page.tsx

@@ -0,0 +1,23 @@
+import { Link } from 'react-router';
+
+export default function MaintenancePage() {
+  return (
+    <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 px-4">
+      <div className="text-center">
+        <h1 className="text-6xl font-bold text-yellow-600 mb-4">🚧</h1>
+        <h2 className="text-3xl font-semibold mb-2">We'll be back soon!</h2>
+        <p className="text-gray-600">
+          Our site is currently undergoing scheduled maintenance.
+          <br />
+          Thank you for your patience.
+        </p>
+        <Link
+          to="/"
+          className="mt-4 inline-block text-primary-600 hover:underline"
+        >
+          Back to Homepage
+        </Link>
+      </div>
+    </div>
+  );
+}

apps/hackathon/src/app/onboarding/user/page.tsx

@@ -60,6 +60,20 @@ const UserOnboardingPage: FC = (): ReactElement => {
   const handleAvatarChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      // Validate file size (max 2MB)
+      if (file.size > 2 * 1024 * 1024) {
+        toast.error('The file is too large. Maximum size is 2MB.');
+        e.target.value = '';
+        return;
+      }
+
+      // Validate file type
+      if (!file.type.startsWith('image/')) {
+        toast.error('The file must be an image');
+        e.target.value = '';
+        return;
+      }
+
       setAvatarFile(file);
       const reader = new FileReader();
       reader.onloadend = () => {
@@ -150,7 +164,7 @@ const UserOnboardingPage: FC = (): ReactElement => {
                 />
               </label>
               <p className="text-xs text-gray-500 dark:text-gray-500 mt-2 text-center">
-                Optional, but highly recommended
+                Optional, but highly recommended. Max 2MB
               </p>
             </div>
           </div>

apps/hackathon/src/app/page.tsx

@@ -1,4 +1,4 @@
-import { useNavigate } from 'react-router';
+import { useNavigate, Link } from 'react-router';
 import { useState } from 'react';
 import { Button } from '@imphnen-frontend-service/ui/atoms';
 import { Icon } from '@iconify/react';
@@ -796,12 +796,12 @@ export default function HomePage() {
                   </a>
                 </li>
                 <li>
-                  <a
-                    href="/auth/signup"
+                  <Link
+                    to="/auth/signup"
                     className="hover:text-white transition-colors"
                   >
                     Daftar
-                  </a>
+                  </Link>
                 </li>
               </ul>
             </div>

apps/hackathon/src/app/profile/page.tsx

@@ -84,15 +84,17 @@ const ProfilePage: FC<ProfileModalProps> = ({
   const handleAvatarChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
-      // Validate file size (max 5MB)
-      if (file.size > 5 * 1024 * 1024) {
-        toast.error('The file is too large. Maximum 5MB');
+      // Validate file size (max 2MB)
+      if (file.size > 2 * 1024 * 1024) {
+        toast.error('The file is too large. Maximum size is 2MB.');
+        e.target.value = '';
         return;
       }
 
       // Validate file type
       if (!file.type.startsWith('image/')) {
         toast.error('The file must be an image');
+        e.target.value = '';
         return;
       }
 
@@ -235,7 +237,7 @@ const ProfilePage: FC<ProfileModalProps> = ({
               <p className="text-sm text-gray-500 dark:text-neutral-400 text-center font-sans">
                 Click the camera icon to change your photo
                 <br />
-                Format: JPG, PNG. Max 5MB
+                Format: JPG, PNG. Max 2MB
               </p>
             </div>
 

apps/hackathon/src/app/teams/[teamId]/edit/page.tsx

@@ -16,6 +16,9 @@ import { zodResolver } from '@hookform/resolvers/zod';
 
 import { CitySelect } from '../../../../components/city-select';
 import { Icon } from '@iconify/react';
+import { toast } from 'sonner';
+
+const MAX_FILE_SIZE = 2 * 1024 * 1024; // 2MB
 
 const EditTeamPage: FC = (): ReactElement => {
   const { teamId } = useParams<{ teamId: string }>();
@@ -85,6 +88,11 @@ const EditTeamPage: FC = (): ReactElement => {
   const handleLogoChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (file.size > MAX_FILE_SIZE) {
+        toast.error('Logo image is too large. Maximum size is 2MB.');
+        e.target.value = '';
+        return;
+      }
       setLogoFile(file);
       const reader = new FileReader();
       reader.onloadend = () => {
@@ -97,6 +105,11 @@ const EditTeamPage: FC = (): ReactElement => {
   const handleBannerChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (file.size > MAX_FILE_SIZE) {
+        toast.error('Banner image is too large. Maximum size is 2MB.');
+        e.target.value = '';
+        return;
+      }
       setBannerFile(file);
       const reader = new FileReader();
       reader.onloadend = () => {
@@ -183,7 +196,7 @@ const EditTeamPage: FC = (): ReactElement => {
                       Click to upload banner
                     </p>
                     <p className="text-xs text-gray-400 dark:text-gray-500 mt-1">
-                      1200x400 recommended
+                      1200x400 recommended. Max 2MB
                     </p>
                   </div>
                   <input
@@ -215,32 +228,35 @@ const EditTeamPage: FC = (): ReactElement => {
                     </span>
                   </div>
                 )}
-                <div className="flex flex-col md:flex-row items-start justify-start gap-1">
-                  <label htmlFor="logo" className="cursor-pointer">
-                    <span className="px-4 py-2 text-sm bg-primary-600 text-white rounded-lg hover:bg-primary-700 inline-block">
-                      {logoPreview ? 'Change Logo' : 'Upload Logo'}
-                    </span>
-                    <input
-                      id="logo"
-                      type="file"
-                      accept="image/*"
-                      className="hidden"
-                      onChange={handleLogoChange}
-                    />
-                  </label>
-                  {logoPreview && (
-                    <button
-                      type="button"
-                      onClick={() => {
-                        setLogoFile(null);
-                        setLogoPreview('');
-                        form.setValue('logo', null);
-                      }}
-                      className="px-4 py-2 text-sm bg-danger-600 text-white rounded-lg hover:bg-danger-700 cursor-pointer"
-                    >
-                      Remove
-                    </button>
-                  )}
+                <div>
+                  <div className="flex flex-col md:flex-row items-start justify-start gap-1">
+                    <label htmlFor="logo" className="cursor-pointer">
+                      <span className="px-4 py-2 text-sm bg-primary-600 text-white rounded-lg hover:bg-primary-700 inline-block">
+                        {logoPreview ? 'Change Logo' : 'Upload Logo'}
+                      </span>
+                      <input
+                        id="logo"
+                        type="file"
+                        accept="image/*"
+                        className="hidden"
+                        onChange={handleLogoChange}
+                      />
+                    </label>
+                    {logoPreview && (
+                      <button
+                        type="button"
+                        onClick={() => {
+                          setLogoFile(null);
+                          setLogoPreview('');
+                          form.setValue('logo', null);
+                        }}
+                        className="px-4 py-2 text-sm bg-danger-600 text-white rounded-lg hover:bg-danger-700 cursor-pointer"
+                      >
+                        Remove
+                      </button>
+                    )}
+                  </div>
+                  <p className="text-xs text-gray-400 dark:text-gray-500 mt-2">Max 2MB</p>
                 </div>
               </div>
             </div>

apps/hackathon/src/app/teams/[teamId]/members/page.tsx

@@ -47,6 +47,7 @@ const ManageMembersPage: FC = (): ReactElement => {
     : [];
   const currentUserId = session?.user?.id;
   const isLeader = currentUserId === team?.leader_id;
+  const hasSubmission = team?.has_submission;
 
   const form = useForm<TInviteMemberForm>({
     resolver: zodResolver(inviteMemberSchema),
@@ -133,7 +134,11 @@ const ManageMembersPage: FC = (): ReactElement => {
               </p>
             </div>
             <div className="flex space-x-3">
-              <Button onClick={() => setShowInviteModal(true)}>
+              <Button
+                onClick={() => setShowInviteModal(true)}
+                disabled={hasSubmission}
+                title={hasSubmission ? 'Cannot invite members after project submission' : undefined}
+              >
                 Invite Member
               </Button>
               <Button
@@ -148,6 +153,23 @@ const ManageMembersPage: FC = (): ReactElement => {
       </div>
 
       <div className="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8 space-y-6">
+        {/* Submission Lock Warning */}
+        {hasSubmission && (
+          <div className="bg-amber-50 dark:bg-amber-900/20 border-2 border-amber-500 rounded-lg p-4">
+            <div className="flex items-start space-x-3">
+              <span className="text-2xl">🔒</span>
+              <div>
+                <h3 className="font-bold text-amber-900 dark:text-amber-100">
+                  Team Locked
+                </h3>
+                <p className="text-amber-800 dark:text-amber-200 text-sm font-sans mt-1">
+                  Your team has submitted a project. You cannot add or remove members after submission to maintain competition integrity.
+                </p>
+              </div>
+            </div>
+          </div>
+        )}
+
         {/* Join Requests */}
         {joinRequests.length > 0 && (
           <div className="bg-white dark:bg-gray-900 rounded-lg shadow-md dark:shadow-gray-950/50 p-6">
@@ -196,7 +218,8 @@ const ManageMembersPage: FC = (): ReactElement => {
                       <Button
                         size="sm"
                         onClick={() => handleApproveRequest(request.id)}
-                        disabled={isResponding}
+                        disabled={isResponding || hasSubmission}
+                        title={hasSubmission ? 'Cannot accept members after project submission' : undefined}
                       >
                         Approve
                       </Button>
@@ -272,7 +295,7 @@ const ManageMembersPage: FC = (): ReactElement => {
                       </div>
                     </div>
                   </div>
-                  {member.role !== 'leader' && (
+                  {member.role !== 'leader' && !hasSubmission && (
                     <Button
                       size="sm"
                       variant="secondary"
@@ -289,12 +312,14 @@ const ManageMembersPage: FC = (): ReactElement => {
         </div>
 
         {/* Warning */}
-        <div className="bg-yellow-50 dark:bg-yellow-900/20 border border-yellow-200 dark:border-yellow-800 rounded-lg p-4">
-          <p className="text-sm text-yellow-800 dark:text-yellow-200">
-            <strong>Note:</strong> Members cannot leave the team without your
-            approval. Only you can remove members from the team.
-          </p>
-        </div>
+        {!hasSubmission && (
+          <div className="bg-yellow-50 dark:bg-yellow-900/20 border border-yellow-200 dark:border-yellow-800 rounded-lg p-4">
+            <p className="text-sm text-yellow-800 dark:text-yellow-200">
+              <strong>Note:</strong> Members cannot leave the team without your
+              approval. Only you can remove members from the team.
+            </p>
+          </div>
+        )}
       </div>
 
       {/* Invite Member Modal */}

apps/hackathon/src/app/teams/[teamId]/page.tsx

@@ -7,6 +7,8 @@ import {
   useInviteMember,
   useTeamJoinRequests,
   useRespondToJoinRequest,
+  useLeaveTeam,
+  useDeleteTeam,
   ETeamMemberRole,
   useAuthStore,
 } from '@imphnen-frontend-service/service';
@@ -15,6 +17,9 @@ import { Icon } from '@iconify/react';
 
 const MAX_TEAM_MEMBERS = 5;
 
+// Team features deadline: 2025-11-30 23:59:00 WIB (UTC+7)
+const TEAM_FEATURES_DEADLINE = new Date('2025-11-30T16:59:00Z');
+
 // Image component with loading state
 const ImageWithLoader: FC<{
   src: string;
@@ -50,8 +55,14 @@ const TeamDashboardPage: FC = (): ReactElement => {
   const { teamId } = useParams<{ teamId: string }>();
   const navigate = useNavigate();
   const { session } = useAuthStore();
+
+  // Check if team features are closed
+  const isTeamFeaturesClosed = new Date() >= TEAM_FEATURES_DEADLINE;
   const [showInviteModal, setShowInviteModal] = useState(false);
   const [showJoinRequestsModal, setShowJoinRequestsModal] = useState(false);
+  const [showLeaveModal, setShowLeaveModal] = useState(false);
+  const [showDeleteModal, setShowDeleteModal] = useState(false);
+  const [deleteConfirmText, setDeleteConfirmText] = useState('');
   const [inviteEmail, setInviteEmail] = useState('');
   const [imagesLoaded, setImagesLoaded] = useState(false);
   const [imageLoadCount, setImageLoadCount] = useState(0);
@@ -85,25 +96,29 @@ const TeamDashboardPage: FC = (): ReactElement => {
   const { data: membersData, isLoading: isLoadingMembers } = useTeamMembers(
     teamId || ''
   );
+
+  const team = teamData?.data;
+  const members = membersData?.data || [];
+  const currentUserId = session?.user?.id;
+  const isLeader = currentUserId === team?.leader_id;
+
+  // Only fetch join requests if user is the team leader
   const { data: joinRequestsData } = useTeamJoinRequests(
     teamId || '',
-    !!teamId
+    !!teamId && isLeader
   );
   const { mutateAsync: inviteMember, isPending: isInviting } = useInviteMember(
     teamId || ''
   );
   const { mutateAsync: respondToJoinRequest, isPending: isResponding } =
     useRespondToJoinRequest(teamId || '');
+  const { mutateAsync: leaveTeam, isPending: isLeaving } = useLeaveTeam();
+  const { mutateAsync: deleteTeam, isPending: isDeleting } = useDeleteTeam();
 
-  const team = teamData?.data;
-  const members = membersData?.data || [];
   const joinRequests = joinRequestsData?.data || [];
   const pendingJoinRequests = joinRequests.filter(
     (req: any) => req.status === 'pending'
   );
-  const currentUserId = session?.user?.id;
-
-  const isLeader = currentUserId === team?.leader_id;
   const isMember = members.some(
     (member: any) => member.user_id === currentUserId
   );
@@ -139,6 +154,32 @@ const TeamDashboardPage: FC = (): ReactElement => {
     }
   };
 
+  const handleLeaveTeam = async () => {
+    if (!teamId) return;
+
+    try {
+      await leaveTeam(teamId);
+      toast.success('You have left the team');
+      navigate('/dashboard');
+    } catch (error) {
+      console.error('Failed to leave team:', error);
+      toast.error('Failed to leave team');
+    }
+  };
+
+  const handleDeleteTeam = async () => {
+    if (!teamId) return;
+
+    try {
+      await deleteTeam(teamId);
+      toast.success('Team deleted successfully');
+      navigate('/dashboard');
+    } catch (error: any) {
+      console.error('Failed to delete team:', error);
+      toast.error(error?.message || 'Failed to delete team');
+    }
+  };
+
   if (isLoadingTeam || isLoadingMembers) {
     return (
       <div className="min-h-screen bg-gray-50 dark:bg-gray-950">
@@ -334,42 +375,49 @@ const TeamDashboardPage: FC = (): ReactElement => {
                   Team Management
                 </h2>
                 <div className="grid gap-3 sm:grid-cols-2">
-                  <Button
-                    className="w-full"
-                    variant="secondary"
-                    onClick={() => setShowInviteModal(true)}
-                    disabled={!canInvite}
-                  >
-                    <Icon icon="mdi:plus" className="inline-block mr-2" />
-                    Invite Member{' '}
-                    {!canInvite && `(${members.length}/${MAX_TEAM_MEMBERS})`}
-                  </Button>
-                  <Button
-                    className="w-full relative"
-                    variant="secondary"
-                    onClick={() => setShowJoinRequestsModal(true)}
-                  >
-                    <Icon icon="mdi:email" className="inline-block mr-2" /> Join
-                    Requests
-                    {pendingJoinRequests.length > 0 && (
-                      <span className="absolute -top-2 -right-2 bg-red-500 text-white text-xs font-bold rounded-full w-6 h-6 flex items-center justify-center">
-                        {pendingJoinRequests.length}
-                      </span>
-                    )}
-                  </Button>
-                  <Link to={`/teams/${teamId}/edit`}>
-                    <Button className="w-full" variant="secondary">
-                      <Icon icon="mdi:pencil" className="inline-block mr-2" />
-                      Edit Team Info
-                    </Button>
-                  </Link>
+                  {/* Hide invite/join management after submission or deadline */}
+                  {!team.has_submission && !isTeamFeaturesClosed && (
+                    <>
+                      <Button
+                        className="w-full"
+                        variant="secondary"
+                        onClick={() => setShowInviteModal(true)}
+                        disabled={!canInvite}
+                      >
+                        <Icon icon="mdi:plus" className="inline-block mr-2" />
+                        Invite Member{' '}
+                        {!canInvite && `(${members.length}/${MAX_TEAM_MEMBERS})`}
+                      </Button>
+                      <Button
+                        className="w-full relative"
+                        variant="secondary"
+                        onClick={() => setShowJoinRequestsModal(true)}
+                      >
+                        <Icon icon="mdi:email" className="inline-block mr-2" /> Join
+                        Requests
+                        {pendingJoinRequests.length > 0 && (
+                          <span className="absolute -top-2 -right-2 bg-red-500 text-white text-xs font-bold rounded-full w-6 h-6 flex items-center justify-center">
+                            {pendingJoinRequests.length}
+                          </span>
+                        )}
+                      </Button>
+                    </>
+                  )}
+                  {!team.has_submission && !isTeamFeaturesClosed && (
+                    <Link to={`/teams/${teamId}/edit`}>
+                      <Button className="w-full" variant="secondary">
+                        <Icon icon="mdi:pencil" className="inline-block mr-2" />
+                        Edit Team Info
+                      </Button>
+                    </Link>
+                  )}
                   <Link to={`/teams/${teamId}/members`}>
                     <Button className="w-full" variant="secondary">
                       <Icon
                         icon="mdi:account-group"
                         className="inline-block mr-2"
                       />
-                      Manage Members
+                      View Members
                     </Button>
                   </Link>
                   <Link to={`/teams/${teamId}/chat`}>
@@ -378,40 +426,92 @@ const TeamDashboardPage: FC = (): ReactElement => {
                       Team Chat
                     </Button>
                   </Link>
-                  <Link to={`/teams/${teamId}/submit`}>
-                    <Button className="w-full">
-                      <Icon icon="mdi:rocket" className="inline-block mr-2" />
-                      Submit Project
-                    </Button>
-                  </Link>
+                  {team.has_submission ? (
+                    <Link to={`/teams/${teamId}/submission`}>
+                      <Button className="w-full" variant="secondary">
+                        <Icon icon="mdi:file-document" className="inline-block mr-2" />
+                        View Submission
+                      </Button>
+                    </Link>
+                  ) : (
+                    <Link to={`/teams/${teamId}/submit`}>
+                      <Button className="w-full" disabled={members.length < 2}>
+                        <Icon icon="mdi:rocket" className="inline-block mr-2" />
+                        Submit Project
+                      </Button>
+                    </Link>
+                  )}
                 </div>
-                {!canInvite && members.length >= MAX_TEAM_MEMBERS && (
+                {!team.has_submission && !canInvite && members.length >= MAX_TEAM_MEMBERS && (
                   <p className="text-sm text-gray-600 dark:text-gray-400 mt-3 text-center">
                     Maximum team size reached ({MAX_TEAM_MEMBERS} members)
                   </p>
                 )}
+                {/* Danger Zone - Only show when leader is alone, no submission, and features not closed */}
+                {members.length === 1 && !team.has_submission && !isTeamFeaturesClosed && (
+                  <div className="mt-6 pt-4 border-t border-gray-200 dark:border-gray-700">
+                    <h3 className="text-sm font-medium text-red-600 dark:text-red-400 mb-3">
+                      Danger Zone
+                    </h3>
+                    <Button
+                      className="w-full bg-red-600 hover:bg-red-700 text-white"
+                      onClick={() => setShowDeleteModal(true)}
+                    >
+                      <Icon icon="mdi:delete" className="inline-block mr-2" />
+                      Delete Team
+                    </Button>
+                  </div>
+                )}
               </div>
             )}
 
             {/* Quick Actions for Members (non-leaders) */}
             {!isLeader && isMember && (
-              <div className="bg-white dark:bg-gray-800 rounded-lg shadow-md p-4 md:p-6">
+              <div className="bg-white dark:bg-gray-900 rounded-lg shadow-md p-4 md:p-6">
                 <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
                   Quick Actions
                 </h2>
                 <div className="grid gap-3 sm:grid-cols-2">
                   <Link to={`/teams/${teamId}/chat`}>
                     <Button className="w-full" variant="secondary">
-                      💬 Team Chat
+                      <Icon icon="mdi:chat" className="inline-block mr-2" />
+                      Team Chat
                     </Button>
                   </Link>
                   {team.has_submission && (
                     <Link to={`/teams/${teamId}/submission`}>
                       <Button className="w-full" variant="secondary">
-                        📄 View Submission
+                        <Icon icon="mdi:file-document" className="inline-block mr-2" />
+                        View Submission
                       </Button>
                     </Link>
                   )}
+                  {!team.has_submission && !isTeamFeaturesClosed && (
+                    <Button
+                      className="w-full bg-red-600 hover:bg-red-700 text-white"
+                      onClick={() => setShowLeaveModal(true)}
+                    >
+                      <Icon icon="mdi:exit-run" className="inline-block mr-2" />
+                      Leave Team
+                    </Button>
+                  )}
+                </div>
+              </div>
+            )}
+
+            {/* Warning for single member teams */}
+            {members.length === 1 && !team.has_submission && isMember && (
+              <div className="bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-4 md:p-6">
+                <div className="flex items-center space-x-3">
+                  <span className="text-3xl">⚠️</span>
+                  <div>
+                    <h3 className="font-bold text-amber-900 dark:text-amber-400">
+                      Team Needs More Members
+                    </h3>
+                    <p className="text-amber-700 dark:text-amber-300 text-sm">
+                      Your team needs at least 2 members to submit a project. Invite someone or wait for join requests!
+                    </p>
+                  </div>
                 </div>
               </div>
             )}
@@ -696,6 +796,110 @@ const TeamDashboardPage: FC = (): ReactElement => {
           </div>
         </div>
       )}
+
+      {/* Leave Team Confirmation Modal */}
+      {showLeaveModal && (
+        <div className="fixed inset-0 bg-black/30 dark:bg-black/50 backdrop-blur-sm flex items-center justify-center z-50 p-4">
+          <div className="bg-white dark:bg-gray-900 rounded-lg shadow-xl max-w-md w-full p-6">
+            <div className="text-center mb-6">
+              <div className="mx-auto w-16 h-16 bg-red-100 dark:bg-red-900/30 rounded-full flex items-center justify-center mb-4">
+                <Icon
+                  icon="mdi:exit-run"
+                  className="text-3xl text-red-600 dark:text-red-400"
+                />
+              </div>
+              <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-2">
+                Leave Team?
+              </h2>
+              <p className="text-gray-600 dark:text-gray-400">
+                Are you sure you want to leave <strong>{team?.name}</strong>?
+              </p>
+            </div>
+            <div className="bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-4 mb-6">
+              <p className="text-sm text-amber-800 dark:text-amber-300 font-sans">
+                <strong>Warning:</strong> If you leave, you will need to request to join again or be re-invited by the team leader.
+              </p>
+            </div>
+            <div className="flex space-x-3">
+              <Button
+                type="button"
+                variant="secondary"
+                className="flex-1"
+                onClick={() => setShowLeaveModal(false)}
+              >
+                Cancel
+              </Button>
+              <Button
+                onClick={handleLeaveTeam}
+                className="flex-1 bg-red-600 hover:bg-red-700"
+                disabled={isLeaving}
+              >
+                {isLeaving ? 'Leaving...' : 'Leave Team'}
+              </Button>
+            </div>
+          </div>
+        </div>
+      )}
+
+      {/* Delete Team Confirmation Modal */}
+      {showDeleteModal && (
+        <div className="fixed inset-0 bg-black/30 dark:bg-black/50 backdrop-blur-sm flex items-center justify-center z-50 p-4">
+          <div className="bg-white dark:bg-gray-900 rounded-lg shadow-xl max-w-md w-full p-6">
+            <div className="text-center mb-6">
+              <div className="mx-auto w-16 h-16 bg-red-100 dark:bg-red-900/30 rounded-full flex items-center justify-center mb-4">
+                <Icon
+                  icon="mdi:delete-alert"
+                  className="text-3xl text-red-600 dark:text-red-400"
+                />
+              </div>
+              <h2 className="text-2xl font-bold text-gray-900 dark:text-white mb-2">
+                Delete Team?
+              </h2>
+              <p className="text-gray-600 dark:text-gray-400">
+                This action is <strong className="text-red-600 dark:text-red-400">permanent</strong> and cannot be undone.
+              </p>
+            </div>
+            <div className="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
+              <p className="text-sm text-red-800 dark:text-red-300 font-sans">
+                <strong>Warning:</strong> All team data, chat messages, and submissions will be permanently deleted.
+              </p>
+            </div>
+            <div className="mb-6">
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+                Type <span className="font-bold text-red-600 dark:text-red-400">{team?.name}</span> to confirm:
+              </label>
+              <input
+                type="text"
+                value={deleteConfirmText}
+                onChange={(e) => setDeleteConfirmText(e.target.value)}
+                placeholder="Type team name here"
+                className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-red-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500"
+                autoComplete="off"
+              />
+            </div>
+            <div className="flex space-x-3">
+              <Button
+                type="button"
+                variant="secondary"
+                className="flex-1"
+                onClick={() => {
+                  setShowDeleteModal(false);
+                  setDeleteConfirmText('');
+                }}
+              >
+                Cancel
+              </Button>
+              <Button
+                onClick={handleDeleteTeam}
+                className="flex-1 bg-red-600 hover:bg-red-700"
+                disabled={isDeleting || deleteConfirmText !== team?.name}
+              >
+                {isDeleting ? 'Deleting...' : 'Delete Team'}
+              </Button>
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 };

apps/hackathon/src/app/teams/[teamId]/submission/page.tsx

@@ -60,20 +60,46 @@ const SubmissionViewPage: FC = (): ReactElement => {
 
       <div className="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
         {/* Status Banner */}
-        <div className="bg-green-50 dark:bg-green-900/20 border border-green-500 rounded-lg p-6 mb-6">
-          <div className="flex items-center space-x-3">
-            <span className="text-4xl">✅</span>
-            <div>
-              <h3 className="font-bold text-green-900 dark:text-green-100 text-lg">Project Submitted Successfully</h3>
-              <p className="text-green-700 dark:text-green-300 text-sm">
-                Submitted on {submittedDate}
-              </p>
-              <p className="text-green-600 dark:text-green-400 text-xs mt-1">
-                This submission is now read-only and cannot be edited
-              </p>
+        {submission.status === 'submitted' ? (
+          <div className="bg-green-50 dark:bg-green-900/20 border border-green-500 rounded-lg p-6 mb-6">
+            <div className="flex items-center space-x-3">
+              <span className="text-4xl">✅</span>
+              <div>
+                <h3 className="font-bold text-green-900 dark:text-green-100 text-lg">Project Submitted Successfully</h3>
+                <p className="text-green-700 dark:text-green-300 text-sm">
+                  Submitted on {submittedDate}
+                </p>
+                <p className="text-green-600 dark:text-green-400 text-xs mt-1">
+                  This submission is now read-only and cannot be edited
+                </p>
+              </div>
             </div>
           </div>
-        </div>
+        ) : submission.status === 'pending_verification' ? (
+          <div className="bg-yellow-50 dark:bg-yellow-900/20 border border-yellow-500 rounded-lg p-6 mb-6">
+            <div className="flex items-center space-x-3">
+              <span className="text-4xl">⏳</span>
+              <div>
+                <h3 className="font-bold text-yellow-900 dark:text-yellow-100 text-lg">Submission Pending Verification</h3>
+                <p className="text-yellow-700 dark:text-yellow-300 text-sm">
+                  Your submission is being processed
+                </p>
+              </div>
+            </div>
+          </div>
+        ) : (
+          <div className="bg-orange-50 dark:bg-orange-900/20 border border-orange-500 rounded-lg p-6 mb-6">
+            <div className="flex items-center space-x-3">
+              <span className="text-4xl">📝</span>
+              <div>
+                <h3 className="font-bold text-orange-900 dark:text-orange-100 text-lg">Draft Submission</h3>
+                <p className="text-orange-700 dark:text-orange-300 text-sm">
+                  This submission is still in draft and has not been finalized
+                </p>
+              </div>
+            </div>
+          </div>
+        )}
 
         <div className="bg-white dark:bg-neutral-900 rounded-lg shadow-md dark:shadow-neutral-950/50 overflow-hidden">
           {/* Project Header */}
@@ -124,21 +150,6 @@ const SubmissionViewPage: FC = (): ReactElement => {
                 </div>
               )}
 
-              {/* Presentation URL */}
-              {submission.presentation_url && (
-                <div>
-                  <h3 className="text-lg font-bold text-gray-900 dark:text-white mb-3">Presentation</h3>
-                  <a
-                    href={submission.presentation_url}
-                    target="_blank"
-                    rel="noopener noreferrer"
-                    className="flex items-center space-x-2 text-blue-600 dark:text-primary-400 hover:text-blue-800 dark:hover:text-primary-300"
-                  >
-                    <span>📊</span>
-                    <span className="break-all">{submission.presentation_url}</span>
-                  </a>
-                </div>
-              )}
             </div>
 
             {/* Screenshots */}
@@ -173,8 +184,18 @@ const SubmissionViewPage: FC = (): ReactElement => {
               <div className="grid gap-2 text-sm">
                 <div className="flex justify-between">
                   <span className="text-gray-600 dark:text-neutral-400">Status:</span>
-                  <span className="font-medium text-green-600 dark:text-green-400">
-                    {submission.status === 'submitted' ? '✓ Submitted' : 'Draft'}
+                  <span className={`font-medium ${
+                    submission.status === 'submitted'
+                      ? 'text-green-600 dark:text-green-400'
+                      : submission.status === 'pending_verification'
+                        ? 'text-yellow-600 dark:text-yellow-400'
+                        : 'text-orange-600 dark:text-orange-400'
+                  }`}>
+                    {submission.status === 'submitted'
+                      ? '✓ Submitted'
+                      : submission.status === 'pending_verification'
+                        ? '⏳ Pending Verification'
+                        : '📝 Draft'}
                   </span>
                 </div>
                 <div className="flex justify-between">

apps/hackathon/src/app/teams/[teamId]/submit/page.tsx

@@ -13,12 +13,17 @@ import {
   useAuthStore,
 } from '@imphnen-frontend-service/service';
 import { zodResolver } from '@hookform/resolvers/zod';
+import { toast } from 'sonner';
+
+const MIN_TEAM_MEMBERS = 2; // Minimum members required to submit (including leader)
+const MAX_FILE_SIZE = 2 * 1024 * 1024; // 2MB
 
 const SubmitProjectPage: FC = (): ReactElement => {
   const { teamId } = useParams<{ teamId: string }>();
   const navigate = useNavigate();
   const { session } = useAuthStore();
   const [showConfirmModal, setShowConfirmModal] = useState(false);
+  const [confirmText, setConfirmText] = useState('');
   const [screenshots, setScreenshots] = useState<string[]>([]);
 
   const { data: teamData } = useTeamById(teamId || '');
@@ -31,6 +36,8 @@ const SubmitProjectPage: FC = (): ReactElement => {
   const currentUserId = session?.user?.id;
   const isLeader = currentUserId === team?.leader_id;
   const hasSubmission = !!submissionData?.data;
+  const memberCount = team?.members?.length || 0;
+  const hasEnoughMembers = memberCount >= MIN_TEAM_MEMBERS;
 
   const form = useForm<TProjectSubmissionForm>({
     resolver: zodResolver(projectSubmissionSchema),
@@ -84,6 +91,14 @@ const SubmitProjectPage: FC = (): ReactElement => {
     const files = e.target.files;
     if (!files) return;
 
+    // Validate file sizes
+    const oversizedFiles = Array.from(files).filter(file => file.size > MAX_FILE_SIZE);
+    if (oversizedFiles.length > 0) {
+      toast.error(`${oversizedFiles.length} file(s) are too large. Maximum size is 2MB per file.`);
+      e.target.value = '';
+      return;
+    }
+
     try {
       const uploadPromises = Array.from(files).map((file) => uploadFile(file));
       const results = await Promise.all(uploadPromises);
@@ -91,6 +106,7 @@ const SubmitProjectPage: FC = (): ReactElement => {
       setScreenshots([...screenshots, ...urls]);
     } catch (error) {
       console.error('Failed to upload screenshots:', error);
+      toast.error('Failed to upload screenshots. Please try again.');
     }
   };
 
@@ -122,6 +138,25 @@ const SubmitProjectPage: FC = (): ReactElement => {
       </div>
 
       <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+        {/* Minimum Members Warning */}
+        {!hasEnoughMembers && (
+          <div className="bg-amber-50 dark:bg-amber-900/20 border-2 border-amber-500 rounded-lg p-6 mb-6">
+            <div className="flex items-start space-x-3">
+              <span className="text-3xl">👥</span>
+              <div>
+                <h3 className="font-bold text-amber-900 dark:text-amber-100 text-lg">
+                  Team Members Required
+                </h3>
+                <p className="text-amber-800 dark:text-amber-200 mt-2 text-sm font-sans">
+                  Your team needs at least <strong>{MIN_TEAM_MEMBERS} members</strong> to submit a project.
+                  Currently you have <strong>{memberCount} member{memberCount !== 1 ? 's' : ''}</strong>.
+                  Please invite more members to your team before submitting.
+                </p>
+              </div>
+            </div>
+          </div>
+        )}
+
         {/* Warning Banner */}
         <div className="bg-red-50 dark:bg-red-900/20 border-2 border-red-500 rounded-lg p-6 mb-6">
           <div className="flex items-start space-x-3">
@@ -208,16 +243,6 @@ const SubmitProjectPage: FC = (): ReactElement => {
               size="lg"
             />
 
-            {/* Presentation URL */}
-            <ControlledInputField
-              control={form.control}
-              label="Presentation URL (Optional)"
-              placeholder="https://slides.com/your-presentation or Google Drive link"
-              name="presentation_url"
-              type="url"
-              size="lg"
-            />
-
             {/* Screenshots */}
             <div>
               <label className="block text-label1 font-medium text-neutral-800 dark:text-gray-300">
@@ -247,7 +272,7 @@ const SubmitProjectPage: FC = (): ReactElement => {
                     Click to upload screenshots
                   </p>
                   <p className="text-xs text-gray-400 dark:text-gray-500 mt-1 font-sans">
-                    PNG, JPG up to 5MB each
+                    PNG, JPG. Max 2MB each
                   </p>
                 </div>
                 <input
@@ -274,11 +299,16 @@ const SubmitProjectPage: FC = (): ReactElement => {
               <Button
                 type="submit"
                 className="flex-1"
-                disabled={!form.formState.isValid || isUploading}
+                disabled={!form.formState.isValid || isUploading || !hasEnoughMembers}
               >
                 Review & Submit
               </Button>
             </div>
+            {!hasEnoughMembers && (
+              <p className="text-center text-sm text-amber-600 dark:text-amber-400 mt-2">
+                You need at least {MIN_TEAM_MEMBERS} team members to submit
+              </p>
+            )}
           </form>
         </div>
       </div>
@@ -298,7 +328,7 @@ const SubmitProjectPage: FC = (): ReactElement => {
             </div>
             <div className="bg-gray-50 dark:bg-gray-800 rounded-lg p-4 mb-6">
               <p className="text-sm text-gray-700 dark:text-gray-300 mb-3">
-                By clicking "Submit Project", you confirm that:
+                By submitting, you confirm that:
               </p>
               <ul className="text-sm text-gray-600 dark:text-gray-400 space-y-2">
                 <li>✓ All information is correct and complete</li>
@@ -307,19 +337,35 @@ const SubmitProjectPage: FC = (): ReactElement => {
                 <li>✓ Your team agrees with this submission</li>
               </ul>
             </div>
+            <div className="mb-6">
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+                Type <span className="font-bold text-red-600 dark:text-red-400">SUBMIT</span> to confirm:
+              </label>
+              <input
+                type="text"
+                value={confirmText}
+                onChange={(e) => setConfirmText(e.target.value)}
+                placeholder="Type SUBMIT here"
+                className="w-full px-4 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-red-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white placeholder:text-gray-400 dark:placeholder:text-gray-500"
+                autoComplete="off"
+              />
+            </div>
             <div className="flex space-x-3">
               <Button
                 type="button"
                 variant="secondary"
                 className="flex-1"
-                onClick={() => setShowConfirmModal(false)}
+                onClick={() => {
+                  setShowConfirmModal(false);
+                  setConfirmText('');
+                }}
               >
                 Go Back
               </Button>
               <Button
                 onClick={onSubmit}
                 className="flex-1 bg-red-600 hover:bg-red-700"
-                disabled={isSubmitting}
+                disabled={isSubmitting || confirmText !== 'SUBMIT'}
               >
                 {isSubmitting ? 'Submitting...' : 'Submit Project'}
               </Button>

apps/hackathon/src/app/teams/browse/page.tsx

@@ -1,6 +1,6 @@
-import { FC, ReactElement, useState, useEffect } from 'react';
+import { FC, ReactElement, useState, useEffect, useCallback } from 'react';
 import { Button } from '@imphnen-frontend-service/ui/atoms';
-import { Link, useNavigate } from 'react-router';
+import { Link, useNavigate, useSearchParams } from 'react-router';
 import {
   useTeams,
   useJoinTeam,
@@ -14,26 +14,193 @@ import { zodResolver } from '@hookform/resolvers/zod';
 import { CitySelect } from '../../../components/city-select';
 import { Icon } from '@iconify/react';
 
+const DEFAULT_PER_PAGE = 12;
+const PER_PAGE_OPTIONS = [6, 12, 24, 48];
+
+// Team features deadline: 2025-11-30 23:59:00 WIB (UTC+7)
+const TEAM_FEATURES_DEADLINE = new Date('2025-11-30T16:59:00Z');
+
+// Member filter options
+const MEMBER_FILTER_OPTIONS = [
+  { label: 'All Teams', value: '', minMembers: undefined, maxMembers: undefined },
+  { label: 'Looking for Members (1-4)', value: 'looking', minMembers: 1, maxMembers: 4 },
+  { label: '1 Member', value: '1', minMembers: 1, maxMembers: 1 },
+  { label: '2 Members', value: '2', minMembers: 2, maxMembers: 2 },
+  { label: '3 Members', value: '3', minMembers: 3, maxMembers: 3 },
+  { label: '4 Members', value: '4', minMembers: 4, maxMembers: 4 },
+  { label: '5 Members (Full)', value: '5', minMembers: 5, maxMembers: 5 },
+];
+
+// Submission status filter options
+const SUBMISSION_FILTER_OPTIONS = [
+  { label: 'All Teams', value: '' },
+  { label: 'Submitted', value: 'true' },
+  { label: 'Not Submitted', value: 'false' },
+];
+
+// Skeleton card component for loading state
+const TeamCardSkeleton: FC = () => (
+  <div className="bg-white dark:bg-gray-900 rounded-lg shadow-md overflow-hidden flex flex-col border dark:border-gray-800 animate-pulse">
+    <div className="w-full aspect-3/1 bg-gray-200 dark:bg-gray-700" />
+    <div className="p-6 flex flex-col flex-1">
+      <div className="flex items-center space-x-3 mb-3">
+        <div className="w-12 h-12 rounded-full bg-gray-200 dark:bg-gray-700" />
+        <div className="flex-1">
+          <div className="h-5 w-32 bg-gray-200 dark:bg-gray-700 rounded mb-2" />
+          <div className="h-4 w-48 bg-gray-200 dark:bg-gray-700 rounded" />
+        </div>
+      </div>
+      <div className="space-y-2 mb-4 flex-1">
+        <div className="h-4 w-full bg-gray-200 dark:bg-gray-700 rounded" />
+        <div className="h-4 w-5/6 bg-gray-200 dark:bg-gray-700 rounded" />
+        <div className="h-4 w-4/6 bg-gray-200 dark:bg-gray-700 rounded" />
+      </div>
+      <div className="space-y-3 mt-auto">
+        <div className="h-10 w-full bg-gray-200 dark:bg-gray-700 rounded" />
+        <div className="h-10 w-full bg-gray-200 dark:bg-gray-700 rounded" />
+      </div>
+    </div>
+  </div>
+);
+
 const BrowseTeamsPage: FC = (): ReactElement => {
   const navigate = useNavigate();
-  const [searchTerm, setSearchTerm] = useState('');
-  const [debouncedSearch, setDebouncedSearch] = useState('');
-  const [selectedCity, setSelectedCity] = useState('');
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  // Check if team features are closed
+  const isTeamFeaturesClosed = new Date() >= TEAM_FEATURES_DEADLINE;
+
+  // Initialize state from URL params
+  const initialPage = parseInt(searchParams.get('page') || '1', 10);
+  const initialPerPage = parseInt(
+    searchParams.get('per_page') || String(DEFAULT_PER_PAGE),
+    10
+  );
+  const initialSearch = searchParams.get('search') || '';
+  const initialCity = searchParams.get('city') || '';
+  const initialMembers = searchParams.get('members') || '';
+  const initialSubmission = searchParams.get('submission') || '';
+
+  const [searchTerm, setSearchTerm] = useState(initialSearch);
+  const [debouncedSearch, setDebouncedSearch] = useState(initialSearch);
+  const [selectedCity, setSelectedCity] = useState(initialCity);
+  const [selectedMembers, setSelectedMembers] = useState(initialMembers);
+  const [selectedSubmission, setSelectedSubmission] = useState(initialSubmission);
   const [selectedTeamId, setSelectedTeamId] = useState<string | null>(null);
   const [showJoinModal, setShowJoinModal] = useState(false);
+  const [currentPage, setCurrentPage] = useState(
+    PER_PAGE_OPTIONS.includes(initialPerPage) ? initialPage : 1
+  );
+  const [perPage, setPerPage] = useState(
+    PER_PAGE_OPTIONS.includes(initialPerPage) ? initialPerPage : DEFAULT_PER_PAGE
+  );
 
-  // Debounce search term
+  // Update URL when pagination state changes
+  const updateUrlParams = useCallback(
+    (params: {
+      page?: number;
+      per_page?: number;
+      search?: string;
+      city?: string;
+      members?: string;
+      submission?: string;
+    }) => {
+      const newParams = new URLSearchParams(searchParams);
+
+      if (params.page !== undefined) {
+        if (params.page === 1) {
+          newParams.delete('page');
+        } else {
+          newParams.set('page', String(params.page));
+        }
+      }
+
+      if (params.per_page !== undefined) {
+        if (params.per_page === DEFAULT_PER_PAGE) {
+          newParams.delete('per_page');
+        } else {
+          newParams.set('per_page', String(params.per_page));
+        }
+      }
+
+      if (params.search !== undefined) {
+        if (params.search === '') {
+          newParams.delete('search');
+        } else {
+          newParams.set('search', params.search);
+        }
+      }
+
+      if (params.city !== undefined) {
+        if (params.city === '') {
+          newParams.delete('city');
+        } else {
+          newParams.set('city', params.city);
+        }
+      }
+
+      if (params.members !== undefined) {
+        if (params.members === '') {
+          newParams.delete('members');
+        } else {
+          newParams.set('members', params.members);
+        }
+      }
+
+      if (params.submission !== undefined) {
+        if (params.submission === '') {
+          newParams.delete('submission');
+        } else {
+          newParams.set('submission', params.submission);
+        }
+      }
+
+      setSearchParams(newParams, { replace: true });
+    },
+    [searchParams, setSearchParams]
+  );
+
+  // Debounce search term and reset page
   useEffect(() => {
     const timer = setTimeout(() => {
       setDebouncedSearch(searchTerm);
+      if (searchTerm !== debouncedSearch) {
+        setCurrentPage(1);
+        updateUrlParams({ search: searchTerm, page: 1 });
+      }
     }, 300);
     return () => clearTimeout(timer);
   }, [searchTerm]);
 
-  const { data: teamsData, isLoading } = useTeams({
+  // Update URL when city filter changes
+  useEffect(() => {
+    if (selectedCity !== initialCity) {
+      setCurrentPage(1);
+      updateUrlParams({ city: selectedCity, page: 1 });
+    }
+  }, [selectedCity]);
+
+  // Get member filter values
+  const memberFilter = MEMBER_FILTER_OPTIONS.find(
+    (opt) => opt.value === selectedMembers
+  );
+
+  // Convert submission filter value to boolean
+  const hasSubmissionFilter = selectedSubmission === 'true' ? true : selectedSubmission === 'false' ? false : undefined;
+
+  const {
+    data: teamsData,
+    isLoading,
+    isFetching,
+  } = useTeams({
+    page: currentPage,
+    limit: perPage,
     search: debouncedSearch,
     city: selectedCity || undefined,
     visibility: ETeamVisibility.PUBLIC,
+    minMembers: memberFilter?.minMembers,
+    maxMembers: memberFilter?.maxMembers,
+    hasSubmission: hasSubmissionFilter,
   });
 
   const { data: myTeamsData } = useMyTeams();
@@ -44,7 +211,9 @@ const BrowseTeamsPage: FC = (): ReactElement => {
     mode: 'all',
   });
 
-  const teams = teamsData?.data || [];
+  const teams = teamsData?.teams || [];
+  const totalPages = teamsData?.totalPages || 1;
+  const total = teamsData?.total || 0;
   const myTeams = myTeamsData?.data || [];
 
   // Helper function to check if user is a member of a team
@@ -70,6 +239,43 @@ const BrowseTeamsPage: FC = (): ReactElement => {
     }
   });
 
+  // Generate page numbers to display
+  const getPageNumbers = () => {
+    const pages: (number | string)[] = [];
+    const maxVisible = 5;
+
+    if (totalPages <= maxVisible + 2) {
+      // Show all pages if total is small
+      for (let i = 1; i <= totalPages; i++) {
+        pages.push(i);
+      }
+    } else {
+      // Always show first page
+      pages.push(1);
+
+      if (currentPage > 3) {
+        pages.push('...');
+      }
+
+      // Show pages around current
+      const start = Math.max(2, currentPage - 1);
+      const end = Math.min(totalPages - 1, currentPage + 1);
+
+      for (let i = start; i <= end; i++) {
+        pages.push(i);
+      }
+
+      if (currentPage < totalPages - 2) {
+        pages.push('...');
+      }
+
+      // Always show last page
+      pages.push(totalPages);
+    }
+
+    return pages;
+  };
+
   return (
     <div className="min-h-screen bg-gray-50 dark:bg-gray-950">
       {/* Header */}
@@ -94,7 +300,7 @@ const BrowseTeamsPage: FC = (): ReactElement => {
       {/* Filters */}
       <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
         <div className="bg-white dark:bg-gray-900 p-6 rounded-lg shadow-sm mb-6 border dark:border-gray-800">
-          <div className="grid gap-4 md:grid-cols-2">
+          <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4">
             <div>
               <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
                 Search Teams
@@ -117,13 +323,63 @@ const BrowseTeamsPage: FC = (): ReactElement => {
                 placeholder="All Cities (search to filter...)"
               />
             </div>
+            <div>
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+                Filter by Members
+              </label>
+              <select
+                value={selectedMembers}
+                onChange={(e) => {
+                  setSelectedMembers(e.target.value);
+                  setCurrentPage(1);
+                  updateUrlParams({ members: e.target.value, page: 1 });
+                }}
+                className="w-full h-[42px] px-3 border border-gray-300 dark:border-gray-700 rounded-md focus:ring-2 focus:ring-blue-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
+              >
+                {MEMBER_FILTER_OPTIONS.map((option) => (
+                  <option key={option.value} value={option.value}>
+                    {option.label}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+                Submission Status
+              </label>
+              <select
+                value={selectedSubmission}
+                onChange={(e) => {
+                  setSelectedSubmission(e.target.value);
+                  setCurrentPage(1);
+                  updateUrlParams({ submission: e.target.value, page: 1 });
+                }}
+                className="w-full h-[42px] px-3 border border-gray-300 dark:border-gray-700 rounded-md focus:ring-2 focus:ring-blue-500 focus:border-transparent bg-white dark:bg-gray-800 text-gray-900 dark:text-white"
+              >
+                {SUBMISSION_FILTER_OPTIONS.map((option) => (
+                  <option key={option.value} value={option.value}>
+                    {option.label}
+                  </option>
+                ))}
+              </select>
+            </div>
           </div>
         </div>
 
+        {/* Teams Count */}
+        {!isLoading && total > 0 && (
+          <div className="mb-4 text-sm text-gray-600 dark:text-gray-400">
+            Showing {(currentPage - 1) * perPage + 1}-
+            {Math.min(currentPage * perPage, total)} of {total} teams
+          </div>
+        )}
+
         {/* Teams List */}
-        {isLoading ? (
-          <div className="text-center py-12">
-            <p className="text-gray-600 dark:text-gray-400">Loading teams...</p>
+        {isLoading || isFetching ? (
+          <div className="grid gap-6 md:grid-cols-2 xl:grid-cols-3">
+            {Array.from({ length: perPage }).map((_, index) => (
+              <TeamCardSkeleton key={index} />
+            ))}
           </div>
         ) : teams.length === 0 ? (
           <div className="bg-white dark:bg-gray-900 rounded-lg shadow-sm p-12 text-center">
@@ -135,85 +391,195 @@ const BrowseTeamsPage: FC = (): ReactElement => {
             </p>
           </div>
         ) : (
-          <div className="grid gap-6 md:grid-cols-2 xl:grid-cols-3">
-            {teams.map((team) => (
-              <div
-                key={team.id}
-                className="bg-white dark:bg-gray-900 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow flex flex-col border dark:border-gray-800"
-              >
-                <img
-                  src={team.banner || '/images/banner-imphnen.webp'}
-                  alt={team.name}
-                  className="w-full aspect-3/1 object-cover"
-                />
-                <div className="p-6 flex flex-col flex-1">
-                  <div className="flex items-center space-x-3 mb-3">
-                    {team.logo ? (
-                      <img
-                        src={team.logo}
-                        alt={team.name}
-                        className="w-12 h-12 rounded-full object-cover"
-                      />
-                    ) : (
-                      <div className="w-12 h-12 rounded-full bg-gray-200 dark:bg-gray-700 flex items-center justify-center">
-                        <span className="text-gray-500 dark:text-gray-300 text-xl">
-                          <Icon icon="mdi:account-group" />
-                        </span>
-                      </div>
-                    )}
-                    <div className="flex-1 min-w-0">
-                      <h3 className="text-lg font-bold text-gray-900 dark:text-white line-clamp-2 leading-tight">
-                        {team.name}
-                      </h3>
-                      <div className="text-sm font-sans text-gray-600 dark:text-gray-400 flex gap-2">
-                        <p className="truncate flex-1 min-w-0 flex items-center gap-x-1">
-                          <Icon icon="mdi:map-marker" />{' '}
-                          <span>{team.city}</span>
-                        </p>
-                        <p className="whitespace-nowrap shrink-0 flex items-center gap-x-1">
-                          <Icon icon="mdi:account-group" />{' '}
-                          {team.members?.length || 0} members
-                        </p>
+          <>
+            <div className="grid gap-6 md:grid-cols-2 xl:grid-cols-3">
+              {teams.map((team: any) => (
+                <div
+                  key={team.id}
+                  className="bg-white dark:bg-gray-900 rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow flex flex-col border dark:border-gray-800"
+                >
+                  <img
+                    src={team.banner || '/images/banner-imphnen.webp'}
+                    alt={team.name}
+                    className="w-full aspect-3/1 object-cover"
+                  />
+                  <div className="p-6 flex flex-col flex-1">
+                    <div className="flex items-center space-x-3 mb-3">
+                      {team.logo ? (
+                        <img
+                          src={team.logo}
+                          alt={team.name}
+                          className="w-12 h-12 rounded-full object-cover"
+                        />
+                      ) : (
+                        <div className="w-12 h-12 rounded-full bg-gray-200 dark:bg-gray-700 flex items-center justify-center">
+                          <span className="text-gray-500 dark:text-gray-300 text-xl">
+                            <Icon icon="mdi:account-group" />
+                          </span>
+                        </div>
+                      )}
+                      <div className="flex-1 min-w-0">
+                        <h3 className="text-lg font-bold text-gray-900 dark:text-white line-clamp-1 leading-tight">
+                          {team.name}
+                        </h3>
+                        <div className="text-sm font-sans text-gray-600 dark:text-gray-400 flex items-center gap-2 mt-1">
+                          {team.has_submission && (
+                            <span className="inline-flex items-center gap-1 px-2 py-0.5 rounded text-xs font-medium bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-400 shrink-0">
+                              <Icon icon="mdi:check-circle" className="text-sm" />
+                              Submitted
+                            </span>
+                          )}
+                          <p className="truncate flex-1 min-w-0 flex items-center gap-x-1">
+                            <Icon icon="mdi:map-marker" />{' '}
+                            <span>{team.city}</span>
+                          </p>
+                          <p className="whitespace-nowrap shrink-0 flex items-center gap-x-1">
+                            <Icon icon="mdi:account-group" />{' '}
+                            {team.member_count || 0} members
+                          </p>
+                        </div>
                       </div>
                     </div>
-                  </div>
-                  <p className="text-gray-600 dark:text-gray-300 text-sm mb-4 line-clamp-3 font-sans">
-                    {team.description}
-                  </p>
-                  <div className="space-y-3 mt-auto">
-                    {isMyTeam(team.id) ? (
-                      <Button
-                        className="w-full"
-                        variant="secondary"
-                        onClick={() => navigate(`/teams/${team.id}`)}
-                      >
-                        Your Team
-                      </Button>
-                    ) : (
-                      <>
-                        {myTeams.length === 0 &&
-                          (team.members?.length || 0) < 5 && (
-                            <Button
-                              className="w-full"
-                              onClick={() => handleJoinRequest(team.id)}
-                            >
-                              Request to Join
-                            </Button>
-                          )}
+                    <p className="text-gray-600 dark:text-gray-300 text-sm mb-4 line-clamp-3 font-sans flex-1">
+                      {team.description}
+                    </p>
+                    <div className="space-y-3 mt-auto">
+                      {(team.member_count || 0) === 1 && !team.has_submission && (
+                        <div className="p-2 bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg">
+                          <p className="text-xs text-amber-700 dark:text-amber-400 flex items-center gap-1">
+                            <Icon icon="mdi:alert" className="text-sm shrink-0" />
+                            <span>This team needs at least 2 members to submit</span>
+                          </p>
+                        </div>
+                      )}
+                      {isMyTeam(team.id) ? (
                         <Button
                           className="w-full"
                           variant="secondary"
                           onClick={() => navigate(`/teams/${team.id}`)}
                         >
-                          View Team
+                          Your Team
                         </Button>
-                      </>
-                    )}
+                      ) : (
+                        <>
+                          {myTeams.length === 0 &&
+                            (team.member_count || 0) < 5 &&
+                            !team.has_submission &&
+                            !isTeamFeaturesClosed && (
+                              <Button
+                                className="w-full"
+                                onClick={() => handleJoinRequest(team.id)}
+                              >
+                                Request to Join
+                              </Button>
+                            )}
+                          <Button
+                            className="w-full"
+                            variant="secondary"
+                            onClick={() => navigate(`/teams/${team.id}`)}
+                          >
+                            View Team
+                          </Button>
+                        </>
+                      )}
+                    </div>
+                  </div>
+                </div>
+              ))}
+            </div>
+
+            {/* Pagination */}
+            {(totalPages > 1 || total > 6) && (
+              <div className="mt-8 flex flex-col sm:flex-row items-center justify-center gap-4">
+                {totalPages > 1 && (
+                  <div className="flex items-center gap-2">
+                    <Button
+                      variant="secondary"
+                      onClick={() => {
+                        const newPage = Math.max(1, currentPage - 1);
+                        setCurrentPage(newPage);
+                        updateUrlParams({ page: newPage });
+                      }}
+                      disabled={currentPage === 1 || isFetching}
+                      className="px-3"
+                    >
+                      <Icon icon="mdi:chevron-left" className="text-xl" />
+                    </Button>
+
+                    <div className="flex items-center gap-1">
+                      {getPageNumbers().map((page, index) =>
+                        typeof page === 'string' ? (
+                          <span
+                            key={`ellipsis-${index}`}
+                            className="px-2 text-gray-400 dark:text-gray-500"
+                          >
+                            ...
+                          </span>
+                        ) : (
+                          <button
+                            key={page}
+                            onClick={() => {
+                              setCurrentPage(page);
+                              updateUrlParams({ page });
+                            }}
+                            disabled={isFetching}
+                            className={`min-w-10 h-10 px-3 rounded-md text-sm font-medium transition-colors ${
+                              currentPage === page
+                                ? 'bg-blue-600 text-white'
+                                : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 border border-gray-300 dark:border-gray-600'
+                            }`}
+                          >
+                            {page}
+                          </button>
+                        )
+                      )}
+                    </div>
+
+                    <Button
+                      variant="secondary"
+                      onClick={() => {
+                        const newPage = Math.min(totalPages, currentPage + 1);
+                        setCurrentPage(newPage);
+                        updateUrlParams({ page: newPage });
+                      }}
+                      disabled={currentPage === totalPages || isFetching}
+                      className="px-3"
+                    >
+                      <Icon icon="mdi:chevron-right" className="text-xl" />
+                    </Button>
+                  </div>
+                )}
+
+                <div className="flex items-center gap-3">
+                  {totalPages > 1 && (
+                    <span className="text-sm text-gray-500 dark:text-gray-400">
+                      Page {currentPage} of {totalPages}
+                    </span>
+                  )}
+
+                  <div className="flex items-center gap-2">
+                    <span className="text-sm text-gray-500 dark:text-gray-400">Show:</span>
+                    <select
+                      value={perPage}
+                      onChange={(e) => {
+                        const newPerPage = Number(e.target.value);
+                        setPerPage(newPerPage);
+                        setCurrentPage(1);
+                        updateUrlParams({ per_page: newPerPage, page: 1 });
+                      }}
+                      className="h-10 px-3 pr-8 border border-gray-300 dark:border-gray-600 rounded-md bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 text-sm focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+                    >
+                      {PER_PAGE_OPTIONS.map((option) => (
+                        <option key={option} value={option}>
+                          {option}
+                        </option>
+                      ))}
+                    </select>
                   </div>
                 </div>
               </div>
-            ))}
-          </div>
+            )}
+          </>
         )}
       </div>
 

apps/hackathon/src/app/teams/create/page.tsx

@@ -5,11 +5,22 @@ import { useNavigate } from 'react-router';
 import { useForm, Controller } from 'react-hook-form';
 import { teamCreateSchema, TTeamCreateForm, useCreateTeam, ETeamVisibility, useUploadFile } from '@imphnen-frontend-service/service';
 import { zodResolver } from '@hookform/resolvers/zod';
+import { toast } from 'sonner';
+import { Icon } from '@iconify/react';
 
 import { CitySelect } from '../../../components/city-select';
 
+const MAX_FILE_SIZE = 2 * 1024 * 1024; // 2MB
+
+// Team features deadline: 2025-11-30 23:59:00 WIB (UTC+7)
+const TEAM_FEATURES_DEADLINE = new Date('2025-11-30T16:59:00Z');
+
 const CreateTeamPage: FC = (): ReactElement => {
   const navigate = useNavigate();
+
+  // Check if team features are closed
+  const isTeamFeaturesClosed = new Date() >= TEAM_FEATURES_DEADLINE;
+
   const [logoFile, setLogoFile] = useState<File | null>(null);
   const [logoPreview, setLogoPreview] = useState<string>('');
   const [bannerFile, setBannerFile] = useState<File | null>(null);
@@ -31,6 +42,11 @@ const CreateTeamPage: FC = (): ReactElement => {
   const handleLogoChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (file.size > MAX_FILE_SIZE) {
+        toast.error('Logo image is too large. Maximum size is 2MB.');
+        e.target.value = '';
+        return;
+      }
       setLogoFile(file);
       const reader = new FileReader();
       reader.onloadend = () => {
@@ -43,6 +59,11 @@ const CreateTeamPage: FC = (): ReactElement => {
   const handleBannerChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (file.size > MAX_FILE_SIZE) {
+        toast.error('Banner image is too large. Maximum size is 2MB.');
+        e.target.value = '';
+        return;
+      }
       setBannerFile(file);
       const reader = new FileReader();
       reader.onloadend = () => {
@@ -73,12 +94,67 @@ const CreateTeamPage: FC = (): ReactElement => {
         banner: bannerUrl,
       });
 
+      toast.success('Team created successfully!');
       navigate(`/teams/${result.data.id}`);
-    } catch (error) {
+    } catch (error: any) {
       console.error('Failed to create team:', error);
+
+      // Handle specific error messages
+      const message = error?.message || '';
+      if (message.includes('413') || message.includes('length limit') || message.includes('too large')) {
+        toast.error('Image file is too large. Please use smaller images (max 2MB each).');
+      } else if (message.includes('already a member')) {
+        toast.error(message);
+      } else {
+        toast.error(message || 'Failed to create team. Please try again.');
+      }
     }
   });
 
+  // Show closed screen if team features are closed
+  if (isTeamFeaturesClosed) {
+    return (
+      <div className="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950 p-4">
+        <div className="bg-white dark:bg-gray-900 w-full max-w-md p-8 rounded-2xl shadow-lg border border-gray-200 dark:border-gray-700 text-center">
+          <div className="mb-6">
+            <div className="mx-auto w-16 h-16 bg-red-100 dark:bg-red-900/30 rounded-full flex items-center justify-center mb-4">
+              <Icon
+                icon="mdi:clock-alert"
+                className="text-3xl text-red-600 dark:text-red-400"
+              />
+            </div>
+            <h2 className="text-3xl font-bold text-gray-900 dark:text-white mb-2">
+              Team Features Closed
+            </h2>
+            <p className="text-gray-600 dark:text-gray-400">
+              Team creation is no longer available.
+            </p>
+          </div>
+
+          <div className="space-y-4">
+            <p className="text-sm text-gray-600 dark:text-gray-400">
+              The deadline for team features was November 30, 2025 at 23:59 WIB.
+            </p>
+
+            <button
+              onClick={() => navigate('/dashboard')}
+              className="w-full py-3 bg-primary-600 text-white rounded-lg font-semibold hover:bg-primary-700 transition-colors cursor-pointer"
+            >
+              Back to Dashboard
+            </button>
+
+            <button
+              onClick={() => navigate('/teams/browse')}
+              className="w-full py-3 text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-white transition-colors cursor-pointer"
+            >
+              Browse Teams
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div className="min-h-screen bg-gray-50 dark:bg-neutral-950">
       {/* Header */}
@@ -119,7 +195,7 @@ const CreateTeamPage: FC = (): ReactElement => {
                 <label className="flex flex-col items-center justify-center w-full h-48 border-2 border-dashed border-gray-300 dark:border-neutral-600 rounded-lg cursor-pointer hover:bg-gray-50 dark:hover:bg-neutral-800">
                   <div className="text-center">
                     <p className="text-gray-500 dark:text-neutral-400">Click to upload banner</p>
-                    <p className="text-xs text-gray-400 dark:text-neutral-500 mt-1">1200x400 recommended</p>
+                    <p className="text-xs text-gray-400 dark:text-neutral-500 mt-1">1200x400 recommended. Max 2MB</p>
                   </div>
                   <input
                     type="file"
@@ -149,30 +225,33 @@ const CreateTeamPage: FC = (): ReactElement => {
                   </div>
                 )}
                 <div>
-                  <label htmlFor="logo" className="cursor-pointer">
-                    <span className="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 inline-block">
-                      {logoPreview ? 'Change Logo' : 'Upload Logo'}
-                    </span>
-                    <input
-                      id="logo"
-                      type="file"
-                      accept="image/*"
-                      className="hidden"
-                      onChange={handleLogoChange}
-                    />
-                  </label>
-                  {logoPreview && (
-                    <button
-                      type="button"
-                      onClick={() => {
-                        setLogoFile(null);
-                        setLogoPreview('');
-                      }}
-                      className="ml-3 px-4 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600"
-                    >
-                      Remove
-                    </button>
-                  )}
+                  <div>
+                    <label htmlFor="logo" className="cursor-pointer">
+                      <span className="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 inline-block">
+                        {logoPreview ? 'Change Logo' : 'Upload Logo'}
+                      </span>
+                      <input
+                        id="logo"
+                        type="file"
+                        accept="image/*"
+                        className="hidden"
+                        onChange={handleLogoChange}
+                      />
+                    </label>
+                    {logoPreview && (
+                      <button
+                        type="button"
+                        onClick={() => {
+                          setLogoFile(null);
+                          setLogoPreview('');
+                        }}
+                        className="ml-3 px-4 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600"
+                      >
+                        Remove
+                      </button>
+                    )}
+                  </div>
+                  <p className="text-xs text-gray-400 dark:text-neutral-500 mt-2">Max 2MB</p>
                 </div>
               </div>
             </div>

apps/hackathon/src/app/users/[userId]/page.tsx

@@ -124,60 +124,62 @@ const UserProfilePage: FC = (): ReactElement => {
               </div>
             )}
 
-            {/* Teams Section */}
+            {/* Team Section */}
             {userTeams.length > 0 ? (
               <div className="bg-white dark:bg-gray-900 rounded-lg shadow-md dark:shadow-gray-950/50 p-4 md:p-6">
                 <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
-                  Teams ({userTeams.length})
+                  Team
                 </h2>
-                <div className="grid gap-4 md:grid-cols-2">
+                <div className="space-y-4">
                   {userTeams.map((team: any) => (
                     <Link
                       key={team.id}
                       to={'/teams/' + team.id}
-                      className="bg-white dark:bg-gray-800 rounded-lg shadow-md dark:shadow-gray-950/50 overflow-hidden hover:shadow-lg transition-shadow"
+                      className="block bg-white dark:bg-gray-800 rounded-lg shadow-md dark:shadow-gray-950/50 overflow-hidden hover:shadow-lg transition-shadow border dark:border-gray-700"
                     >
-                      <div className="w-full aspect-3/1">
-                        <img
-                          src={team.banner}
-                          alt={team.name}
-                          className="w-full h-full object-cover"
-                        />
-                      </div>
+                      <img
+                        src={team.banner || '/images/banner-imphnen.webp'}
+                        alt={team.name}
+                        className="w-full aspect-3/1 object-cover"
+                      />
                       <div className="p-4">
-                        <div className="flex items-center space-x-3 mb-2">
-                          {team.logo && (
+                        <div className="flex items-center space-x-3 mb-3">
+                          {team.logo ? (
                             <img
                               src={team.logo}
                               alt={team.name}
                               className="w-12 h-12 rounded-full object-cover"
                             />
+                          ) : (
+                            <div className="w-12 h-12 rounded-full bg-gray-200 dark:bg-gray-700 flex items-center justify-center">
+                              <Icon icon="mdi:account-group" className="text-gray-500 dark:text-gray-400 text-xl" />
+                            </div>
                           )}
                           <div className="flex-1 min-w-0">
-                            <h3 className="font-bold text-gray-900 dark:text-white line-clamp-2 mb-1">
+                            <h3 className="font-bold text-gray-900 dark:text-white line-clamp-1 text-lg">
                               {team.name}
                             </h3>
-                            <div className="text-sm text-gray-600 dark:text-gray-400 flex gap-2 font-sans">
-                              <p className="truncate flex-1 min-w-0">
-                                <Icon
-                                  icon="mdi:map-marker"
-                                  className="inline-block w-4 h-4 mr-1"
-                                />
-                                {team.city}
-                              </p>
-                              <p className="whitespace-nowrap shrink-0">
-                                <Icon
-                                  icon="mdi:account-group"
-                                  className="inline-block w-4 h-4 mr-1"
-                                />
-                                {team.members?.length || 0} members
-                              </p>
+                            <div className="text-sm text-gray-600 dark:text-gray-400 flex items-center gap-3 font-sans mt-1">
+                              {team.has_submission && (
+                                <span className="inline-flex items-center gap-1 px-2 py-0.5 rounded text-xs font-medium bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-400 shrink-0">
+                                  <Icon icon="mdi:check-circle" className="text-sm" />
+                                  Submitted
+                                </span>
+                              )}
+                              {team.city && (
+                                <span className="flex items-center gap-1 truncate">
+                                  <Icon icon="mdi:map-marker" className="shrink-0" />
+                                  <span className="truncate">{team.city}</span>
+                                </span>
+                              )}
                             </div>
                           </div>
                         </div>
-                        <p className="text-gray-600 dark:text-gray-400 text-base line-clamp-2 font-sans">
-                          {team.description}
-                        </p>
+                        {team.description && (
+                          <p className="text-gray-600 dark:text-gray-400 text-sm line-clamp-2 font-sans">
+                            {team.description}
+                          </p>
+                        )}
                       </div>
                     </Link>
                   ))}
@@ -186,10 +188,12 @@ const UserProfilePage: FC = (): ReactElement => {
             ) : (
               <div className="bg-white dark:bg-gray-900 rounded-lg shadow-md dark:shadow-gray-950/50 p-4 md:p-6">
                 <h2 className="text-lg md:text-xl font-bold text-gray-900 dark:text-white mb-3 md:mb-4">
-                  Teams
+                  Team
                 </h2>
                 <div className="text-center py-8">
-                  <div className="text-4xl mb-3">👥</div>
+                  <div className="text-4xl mb-3">
+                    <Icon icon="mdi:account-group-outline" className="inline-block text-gray-400" />
+                  </div>
                   <p className="text-gray-600 dark:text-gray-400">
                     Not in any team yet
                   </p>

apps/hackathon/src/components/sidebar.tsx

@@ -3,7 +3,6 @@ import { Link, useLocation } from 'react-router';
 import {
   useMyTeams,
   useAuthStore,
-  supabase,
 } from '@imphnen-frontend-service/service';
 import { useNavigate } from 'react-router';
 import { toast } from 'sonner';
@@ -40,19 +39,11 @@ export const Sidebar: FC<SidebarProps> = ({ isOpen = true, onClose }) => {
     }
   }, [location.pathname]);
 
-  const handleLogout = async () => {
-    try {
-      await supabase.auth.signOut();
-      clearSession();
-      localStorage.clear();
-      toast.success('Logged out successfully');
-      navigate('/auth/login');
-    } catch (error) {
-      console.error('Logout error:', error);
-      clearSession();
-      localStorage.clear();
-      navigate('/auth/login');
-    }
+  const handleLogout = () => {
+    clearSession();
+    localStorage.clear();
+    toast.success('Logged out successfully');
+    navigate('/auth/login');
   };
 
   const navItems: NavItem[] = [

apps/hackathon/src/middleware.ts

@@ -1,5 +1,5 @@
 import { SessionUser } from '@imphnen-frontend-service/utils';
-import { supabase } from '@imphnen-frontend-service/service';
+import { hackathonApi, SessionToken } from '@imphnen-frontend-service/service';
 import { LoaderFunctionArgs, redirect } from 'react-router';
 
 const mappingPublicRoutes = [
@@ -37,14 +37,10 @@ export const middleware = async ({ request }: LoaderFunctionArgs) => {
   const url = new URL(request.url);
   const pathname = url.pathname;
 
-  // Get session from Supabase (authoritative source)
-  const { data: { session: supabaseSession }, error: sessionError } = await supabase.auth.getSession();
-
-  // Handle session errors
-  if (sessionError) {
-    console.error('[Middleware] Session error:', sessionError);
-    // Don't redirect on session errors, let the app handle it
-  }
+  // Get token from cookies and user from local storage
+  const tokenData = SessionToken.get();
+  const user = SessionUser.get();
+  const isAuthenticated = !!tokenData?.token?.access_token;
 
   // Allow to access the hackathon pages without authentication
   if (mappingPublicPrefixRoutes.some((prefix) => pathname.startsWith(prefix))) {
@@ -63,20 +59,24 @@ export const middleware = async ({ request }: LoaderFunctionArgs) => {
 
   // Auth routes (all /auth/* paths) - redirect to dashboard if already authenticated
   if (pathname.startsWith('/auth')) {
-    if (supabaseSession) return redirect('/dashboard');
+    if (isAuthenticated) return redirect('/dashboard');
     return null;
   }
 
-  // Require authentication for all other routes - ONLY check Supabase session
-  if (!supabaseSession) {
+  // Require authentication for all other routes
+  if (!isAuthenticated) {
     return redirect('/auth/login');
   }
 
-  // Check if user has completed onboarding by querying database (not localStorage!)
+  // Check if user has completed onboarding
   // Skip onboarding check for onboarding routes themselves
   if (!mappingOnboardingRoutes.includes(pathname)) {
     try {
-      const userId = supabaseSession.user.id;
+      const userId = user?.id;
+      if (!userId) {
+        return redirect('/auth/login');
+      }
+
       const now = Date.now();
 
       // Check cache first
@@ -86,20 +86,20 @@ export const middleware = async ({ request }: LoaderFunctionArgs) => {
       if (cached && (now - cached.timestamp) < CACHE_DURATION) {
         hasLocation = cached.hasLocation;
       } else {
-        const { data: userData, error: userError } = await supabase
-          .from('users')
-          .select('location')
-          .eq('id', userId)
-          .single();
-
-        if (userError) {
-          console.error('[Middleware] Failed to fetch user data:', userError);
-          // If we can't fetch user data, allow access (don't break the app)
-          return null;
+        // First check user data (faster)
+        if (user?.location) {
+          hasLocation = true;
+        } else {
+          // Fetch from backend API
+          try {
+            const response = await hackathonApi.get('/users/me');
+            hasLocation = !!response.data?.data?.location;
+          } catch {
+            // If API fails, check user data as fallback
+            hasLocation = !!user?.location;
+          }
         }
 
-        hasLocation = !!userData?.location;
-
         // Update cache
         onboardingCache.set(userId, { hasLocation, timestamp: now });
       }
@@ -114,10 +114,9 @@ export const middleware = async ({ request }: LoaderFunctionArgs) => {
     }
   }
 
-  // Check route permissions using fresh user data from Zustand (for UI metadata)
-  const session = SessionUser.get();
+  // Check route permissions using user data
   const userPermissions =
-    session?.role?.permissions?.map?.((perm) => perm?.name) ?? [];
+    user?.role?.permissions?.map?.((perm) => perm?.name) ?? [];
 
   const matchedRoute = mappingRoutePermissions.find(
     (route) => route.path === pathname

docs/api/hackathon_backoffice_api_contract.md

@@ -0,0 +1,397 @@
+# Hackathon Backoffice API Contract
+
+## GET /api/v1/admin/dashboard
+
+### Purpose
+
+Single endpoint delivering aggregated metrics for the IMPHNEN x Kolosal.ai Hackathon dashboard.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+- 401 if unauthenticated, 403 if authenticated but lacking required scope.
+
+### Examples
+
+```
+GET /api/v1/admin/dashboard
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "total_participants": 1261,
+    "total_teams": 206,
+    "total_submissions": 0 // Total project submitted
+  }
+}
+```
+
+### Field Types
+
+| Path                      | Type    | Notes                 |
+| ------------------------- | ------- | --------------------- |
+| `data.total_participants` | integer | >= 0                  |
+| `data.total_teams`        | integer | >= 0                  |
+| `data.total_submissions`  | integer | <= `data.total_teams` |
+
+### Errors
+
+| Status | Code             | Message                       | Notes                 |
+| ------ | ---------------- | ----------------------------- | --------------------- |
+| 401    | `unauthorized`   | `authentication required`     | Missing/invalid token |
+| 403    | `forbidden`      | `insufficient permissions`    | Lacks required scope  |
+| 429    | `rate_limited`   | `too many dashboard requests` | Rate limiting         |
+| 500    | `internal_error` | `unexpected server error`     | Unhandled exception   |
+
+---
+
+## GET /api/v1/admin/users
+
+### Purpose
+
+Retrieve paginated list of hackathon participants with filtering, searching, and sorting capabilities for backoffice user management.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+- 401 if unauthenticated, 403 if authenticated but lacking required scope.
+
+### Query Parameters
+
+| Parameter    | Type    | Required | Default      | Description                                                   |
+| ------------ | ------- | -------- | ------------ | ------------------------------------------------------------- |
+| `page`       | integer | No       | 1            | Page number (1-based)                                         |
+| `limit`      | integer | No       | 10           | Items per page (1-100)                                        |
+| `search`     | string  | No       | -            | Search by name or location (case-insensitive)                 |
+| `status`     | string  | No       | `all`        | Filter by status: `all`, `active`, `inactive`                 |
+| `location`   | string  | No       | `all`        | Filter by location or `all`                                   |
+| `skills`     | string  | No       | -            | Comma-separated skill filters                                 |
+| `sort_by`    | string  | No       | `created_at` | Sort field: `fullname`, `location`, `is_active`, `created_at` |
+| `sort_order` | string  | No       | `desc`       | Sort order: `asc`, `desc`                                     |
+
+### Examples
+
+```
+GET /api/v1/admin/users
+GET /api/v1/admin/users?page=2&limit=10
+GET /api/v1/admin/users?search=john&status=active
+GET /api/v1/admin/users?location=Jakarta&skills=Frontend Developer,UI/UX Designer
+GET /api/v1/admin/users?sort_by=fullname&sort_order=asc
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "users": [
+      {
+        "id": "550e8400-e29b-41d4-a716-446655440000",
+        "avatar": "https://example.com/avatars/user1.jpg", // Optional
+        "fullname": "Budi Santoso",
+        "bio": "Passionate developer with 5+ years experience", // Optional
+        "location": "Jakarta",
+        "is_active": true,
+        "skills": ["Frontend Developer", "UI/UX Designer"], // Optional
+        "created_at": "2024-11-15T08:30:00Z",
+        "updated_at": "2024-11-30T14:22:00Z"
+      }
+      // ... more users
+    ],
+    "pagination": {
+      "current_page": 1,
+      "total_pages": 15,
+      "total_items": 287,
+      "items_per_page": 20,
+      "has_next": true,
+      "has_prev": false
+    },
+    "filters": {
+      "available_locations": ["Jakarta", "Bandung", "Surabaya", "Medan", "Yogyakarta"],
+      "available_skills": ["Frontend Developer", "Backend Developer", "Full Stack Developer", "DevOps Engineer", "UI/UX Designer", "Product Manager", "Data Scientist", "Mobile Developer"]
+    }
+  }
+}
+```
+
+### Field Types
+
+| Path                      | Type    | Notes                          |
+| ------------------------- | ------- | ------------------------------ |
+| `data.users[].id`         | string  | UUID format                    |
+| `data.users[].avatar`     | string  | URL, nullable                  |
+| `data.users[].fullname`   | string  | Required                       |
+| `data.users[].bio`        | string  | Optional, max 500 chars        |
+| `data.users[].location`   | string  | Required, from predefined list |
+| `data.users[].is_active`  | boolean | Account status                 |
+| `data.users[].skills`     | array   | Array of skill strings         |
+| `data.users[].created_at` | string  | ISO 8601 timestamp             |
+| `data.users[].updated_at` | string  | ISO 8601 timestamp             |
+| `data.pagination.*`       | integer | Pagination metadata            |
+
+---
+
+## GET /api/v1/admin/users/{user_id}
+
+### Purpose
+
+Retrieve detailed information for a specific user by ID.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+
+### Path Parameters
+
+| Parameter | Type   | Required | Description |
+| --------- | ------ | -------- | ----------- |
+| `user_id` | string | Yes      | User UUID   |
+
+### Examples
+
+```
+GET /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "id": "550e8400-e29b-41d4-a716-446655440000",
+    "avatar": "https://example.com/avatars/user1.jpg",
+    "fullname": "Budi Santoso",
+    "bio": "Passionate developer with 5+ years experience",
+    "location": "Jakarta",
+    "is_active": true,
+    "skills": ["Frontend Developer", "UI/UX Designer"],
+    "created_at": "2024-11-15T08:30:00Z",
+    "updated_at": "2024-11-30T14:22:00Z"
+  }
+}
+```
+
+---
+
+## POST /api/v1/admin/users
+
+### Purpose
+
+Create a new user account in the hackathon system.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+
+### Request Body Schema
+
+```jsonc
+{
+  "fullname": "Jane Doe", // Required, 1-100 chars
+  "bio": "Experienced developer", // Optional, max 500 chars
+  "location": "Jakarta", // Required, from predefined list
+  "is_active": true, // Required, boolean
+  "skills": ["Backend Developer"], // Optional, array of valid skills
+  "avatar": "https://example.com/images/..." // Optional, URL
+}
+```
+
+### Examples
+
+```
+POST /api/v1/admin/users
+Content-Type: application/json
+
+{
+  "fullname": "Jane Doe",
+  "bio": "Experienced developer passionate about AI and machine learning",
+  "location": "Jakarta",
+  "is_active": true,
+  "skills": ["Backend Developer", "Data Scientist"],
+  "avatar": "https://example.com/images/..."
+}
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "id": "550e8400-e29b-41d4-a716-446655440001",
+    "avatar": "https://example.com/avatars/generated_url.jpg",
+    "fullname": "Jane Doe",
+    "bio": "Experienced developer passionate about AI and machine learning",
+    "location": "Jakarta",
+    "is_active": true,
+    "skills": ["Backend Developer", "Data Scientist"],
+    "created_at": "2024-12-01T10:30:00Z",
+    "updated_at": "2024-12-01T10:30:00Z"
+  }
+}
+```
+
+---
+
+## PUT /api/v1/admin/users/{user_id}
+
+### Purpose
+
+Update an existing user's profile information.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+
+### Path Parameters
+
+| Parameter | Type   | Required | Description |
+| --------- | ------ | -------- | ----------- |
+| `user_id` | string | Yes      | User UUID   |
+
+### Request Body Schema
+
+```jsonc
+{
+  "fullname": "Jane Smith", // Optional, 1-100 chars
+  "bio": "Senior developer", // Optional, max 500 chars, null to clear
+  "location": "Bandung", // Optional, from predefined list
+  "is_active": false, // Optional, boolean
+  "skills": ["Full Stack Developer"], // Optional, array of valid skills
+  "avatar": "https://example.com/images/..." // Optional, URL, null to remove
+}
+```
+
+### Examples
+
+```
+PUT /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000
+Content-Type: application/json
+
+{
+  "fullname": "Jane Smith",
+  "location": "Bandung",
+  "is_active": false,
+  "skills": ["Full Stack Developer", "Product Manager"]
+}
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "id": "550e8400-e29b-41d4-a716-446655440000",
+    "avatar": "https://example.com/avatars/user1.jpg",
+    "fullname": "Jane Smith",
+    "bio": "Experienced developer passionate about AI and machine learning",
+    "location": "Bandung",
+    "is_active": false,
+    "skills": ["Full Stack Developer", "Product Manager"],
+    "created_at": "2024-11-15T08:30:00Z",
+    "updated_at": "2024-12-01T10:45:00Z"
+  }
+}
+```
+
+---
+
+## DELETE /api/v1/admin/users/{user_id}
+
+### Purpose
+
+(Soft) Delete a user account from the hackathon system.
+
+### Authentication & Authorization
+
+- Requires admin (backoffice) scope: e.g. `role=admin`
+
+### Path Parameters
+
+| Parameter | Type   | Required | Description |
+| --------- | ------ | -------- | ----------- |
+| `user_id` | string | Yes      | User UUID   |
+
+### Examples
+
+```
+DELETE /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000
+```
+
+### Response Schema
+
+```jsonc
+{
+  "data": {
+    "message": "User successfully deleted",
+    "deleted_user_id": "550e8400-e29b-41d4-a716-446655440000",
+    "deleted_at": "2024-12-01T10:50:00Z"
+  }
+}
+```
+
+---
+
+## Common Error Responses
+
+### User Management Endpoints
+
+| Status | Code                  | Message                          | Notes                        |
+| ------ | --------------------- | -------------------------------- | ---------------------------- |
+| 400    | `validation_error`    | `Invalid request data`           | Field validation failures    |
+| 401    | `unauthorized`        | `Authentication required`        | Missing/invalid token        |
+| 403    | `forbidden`           | `Insufficient permissions`       | Lacks required scope         |
+| 404    | `user_not_found`      | `User not found`                 | Invalid user ID              |
+| 409    | `user_already_exists` | `User with email already exists` | Duplicate user creation      |
+| 413    | `payload_too_large`   | `Avatar file too large`          | Avatar exceeds size limit    |
+| 422    | `invalid_skill`       | `Invalid skill specified`        | Skill not in allowed list    |
+| 422    | `invalid_location`    | `Invalid location specified`     | Location not in allowed list |
+| 429    | `rate_limited`        | `Too many requests`              | Rate limiting                |
+| 500    | `internal_error`      | `Unexpected server error`        | Unhandled exception          |
+
+### Validation Error Details
+
+```jsonc
+{
+  "error": {
+    "code": "validation_error",
+    "message": "Invalid request data",
+    "details": [
+      {
+        "field": "fullname",
+        "code": "required",
+        "message": "Full name is required"
+      },
+      {
+        "field": "location",
+        "code": "invalid_choice",
+        "message": "Location must be one of: Jakarta, Bandung, Surabaya, Medan, Yogyakarta"
+      }
+    ]
+  }
+}
+```
+
+## Rate Limiting
+
+- **Dashboard**: 30 requests / minute / admin user
+- **User Management**: 100 requests / minute / admin user
+- **File Upload**: 10 avatar uploads / minute / admin user
+- Return 429 with `Retry-After` header
+
+## Avatar Handling
+
+- **Supported formats**: JPEG, PNG, WebP
+- **Max file size**: 5MB
+- **Recommended dimensions**: 400x400px
+- **Storage**: Uploaded avatars are processed and stored with generated URLs
+- **URL response**: Always return publicly accessible HTTPS URLs
+
+---
+
+**Revision History**
+
+- v1.0.0 (2025-11-30): Initial contract drafted.
+- v2.0.0 (2025-12-01): Added user management endpoints with filtering, pagination, CRUD operations, and avatar handling.

libs/service/src/api/hackathon.ts

@@ -0,0 +1,61 @@
+import axios from 'axios';
+import { useAuthStore } from '../hooks/auth';
+
+// Hackathon Backend API Base URL
+const HACKATHON_API_URL = 'https://api.hackathon.imphnen.dev/api/v1';
+
+// Create axios instance for hackathon backend
+export const hackathonApi = axios.create({
+  baseURL: HACKATHON_API_URL,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+// Add auth token interceptor
+hackathonApi.interceptors.request.use(
+  (config) => {
+    const { session } = useAuthStore.getState();
+    if (session?.token?.access_token) {
+      config.headers.Authorization = `Bearer ${session.token.access_token}`;
+    }
+    return config;
+  },
+  (error) => {
+    return Promise.reject(new Error(error.message || 'Request failed'));
+  }
+);
+
+// Error handling interceptor
+hackathonApi.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    // Handle 401 - clear session and redirect to login
+    // But skip redirect if already on auth pages (to avoid reload on login failure)
+    if (error.response?.status === 401) {
+      const isAuthPage = globalThis.window !== undefined && globalThis.location.pathname.startsWith('/auth');
+
+      // Only clear session and redirect if not on auth page
+      if (!isAuthPage) {
+        useAuthStore.getState().clearSession();
+        if (globalThis.window !== undefined) {
+          globalThis.location.href = '/auth/login';
+        }
+      }
+    }
+
+    // If backend sends a message, use it
+    const backendMsg = error?.response?.data?.message;
+    if (backendMsg && typeof backendMsg === 'string') {
+      return Promise.reject(new Error(backendMsg));
+    }
+
+    return Promise.reject(new Error(error.message || 'Request failed'));
+  }
+);
+
+// API Response wrapper type
+export interface HackathonApiResponse<T> {
+  data: T;
+  message?: string;
+}

libs/service/src/api/index.ts

@@ -5,6 +5,7 @@ export * from './gacha';
 export * from './users';
 export * from './mentors';
 export * from './upload';
+export * from './hackathon';
 
 // Common API response wrapper interface
 export interface ApiResponse<T> {

libs/service/src/hooks/auth/index.ts

@@ -1,57 +1,251 @@
-import { supabase } from '../../supabase';
-import { useMutation } from '@tanstack/react-query';
-import * as authApi from '../../api/auth';
+import { useMutation, useQuery } from '@tanstack/react-query';
+import { hackathonApi, HackathonApiResponse } from '../../api/hackathon';
+import { useAuthStore } from './use-auth-store';
 
 export * from './use-auth-store';
 
-// React Query hooks for auth API
-export const usePostLogin = () => {
+// Types matching backend response
+interface TokenInfo {
+  access_token: string;
+  refresh_token: string;
+}
+
+interface User {
+  id: string;
+  email: string;
+  fullname: string;
+  phone_number?: string;
+  avatar?: string;
+  birthdate?: string;
+  gender?: string;
+  is_active: boolean;
+  location?: string;
+  bio?: string;
+  skills?: string[];
+  role_id?: string;
+  created_at: string;
+  updated_at?: string;
+}
+
+interface AuthResponse {
+  token: TokenInfo;
+  user: User;
+}
+
+interface SessionResponse {
+  user: User;
+}
+
+interface MessageResponse {
+  message: string;
+}
+
+// Login request type
+interface LoginRequest {
+  email: string;
+  password: string;
+}
+
+// Signup request type
+interface SignupRequest {
+  email: string;
+  password: string;
+  fullname: string;
+}
+
+// GitHub auth request type
+interface GitHubAuthRequest {
+  code: string;
+}
+
+// Forgot password request type
+interface ForgotPasswordRequest {
+  email: string;
+}
+
+// Reset password request type
+interface ResetPasswordRequest {
+  access_token: string;
+  new_password: string;
+}
+
+// Backend API-based auth hooks
+
+// Email/Password Login
+export const useLogin = () => {
+  const { setSession } = useAuthStore();
+
   return useMutation({
-    mutationFn: authApi.postLogin,
+    mutationFn: async (data: LoginRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<AuthResponse>>(
+        '/auth/login',
+        data
+      );
+      return response.data.data;
+    },
+    onSuccess: (data) => {
+      setSession({
+        token: data.token,
+        user: {
+          id: data.user.id,
+          email: data.user.email,
+          fullname: data.user.fullname,
+          phone_number: data.user.phone_number || '',
+          avatar: data.user.avatar || '',
+          birthdate: data.user.birthdate || '',
+          gender: data.user.gender || '',
+          is_active: data.user.is_active,
+          location: data.user.location,
+          bio: data.user.bio,
+          skills: data.user.skills,
+          role: {
+            id: '',
+            name: 'user',
+            permissions: [],
+            created_at: '',
+            updated_at: '',
+          },
+        },
+      });
+    },
   });
 };
 
-export const usePostRegister = () => {
+// Email/Password Signup - returns message only (user needs to activate via email)
+export const useSignup = () => {
   return useMutation({
-    mutationFn: authApi.postRegister,
+    mutationFn: async (data: SignupRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<MessageResponse>>(
+        '/auth/signup',
+        data
+      );
+      return response.data.data;
+    },
   });
 };
 
-export const usePostVerifyEmail = () => {
+// GitHub OAuth - exchange code for token
+export const useGitHubCallback = () => {
+  const { setSession } = useAuthStore();
+
   return useMutation({
-    mutationFn: authApi.postVerifyEmail,
+    mutationFn: async (data: GitHubAuthRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<AuthResponse>>(
+        '/auth/github',
+        data
+      );
+      return response.data.data;
+    },
+    onSuccess: (data) => {
+      setSession({
+        token: data.token,
+        user: {
+          id: data.user.id,
+          email: data.user.email,
+          fullname: data.user.fullname,
+          phone_number: data.user.phone_number || '',
+          avatar: data.user.avatar || '',
+          birthdate: data.user.birthdate || '',
+          gender: data.user.gender || '',
+          is_active: data.user.is_active,
+          location: data.user.location,
+          bio: data.user.bio,
+          skills: data.user.skills,
+          role: {
+            id: '',
+            name: 'user',
+            permissions: [],
+            created_at: '',
+            updated_at: '',
+          },
+        },
+      });
+    },
   });
 };
 
-export const usePostSendOtp = () => {
-  return useMutation({
-    mutationFn: authApi.postSendOtp,
+// Get current session (protected)
+export const useSession = () => {
+  const { session } = useAuthStore();
+
+  return useQuery({
+    queryKey: ['auth-session'],
+    queryFn: async () => {
+      const response = await hackathonApi.get<HackathonApiResponse<SessionResponse>>(
+        '/auth/session'
+      );
+      return response.data.data;
+    },
+    enabled: !!session?.token,
   });
 };
 
-export const useGoogleCallback = () => {
+// Forgot password
+export const useForgotPassword = () => {
   return useMutation({
-    mutationFn: ({ code, state }: { code: string; state: string }) =>
-      authApi.postGoogleCallback(code, state),
+    mutationFn: async (data: ForgotPasswordRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<MessageResponse>>(
+        '/auth/forgot-password',
+        data
+      );
+      return response.data.data;
+    },
   });
 };
 
-// Supabase GitHub OAuth hook
+// Reset password
+export const useResetPassword = () => {
+  return useMutation({
+    mutationFn: async (data: ResetPasswordRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<MessageResponse>>(
+        '/auth/reset-password',
+        data
+      );
+      return response.data.data;
+    },
+  });
+};
+
+// Sign out (clears local session)
+export const useSignOut = () => {
+  const { clearSession } = useAuthStore();
+
+  return useMutation({
+    mutationFn: async () => {
+      // No backend call needed - just clear local session
+      clearSession();
+      return { success: true };
+    },
+  });
+};
+
+// GitHub OAuth URL helper
+// The frontend needs to redirect to GitHub with the client_id
+// After GitHub redirects back with a code, use useGitHubCallback
+export const getGitHubOAuthUrl = (clientId: string, redirectUri: string) => {
+  const params = new URLSearchParams({
+    client_id: clientId,
+    redirect_uri: redirectUri,
+    scope: 'read:user user:email',
+  });
+  return `https://github.com/login/oauth/authorize?${params.toString()}`;
+};
+
+// Backward compatibility hooks - these wrap the new backend API
+
+// GitHub OAuth hook (backward compatible)
 export const useGitHubAuth = () => {
   const signInWithGitHub = async () => {
-    const { data, error } = await supabase.auth.signInWithOAuth({
-      provider: 'github',
-      options: {
-        redirectTo: `${globalThis.location.origin}/auth/callback`,
-      },
-    });
-
-    if (error) {
-      throw error;
+    // Get GitHub client ID from environment
+    const clientId = import.meta.env.VITE_GITHUB_CLIENT_ID || '';
+    if (!clientId) {
+      throw new Error('GitHub Client ID not configured. Set VITE_GITHUB_CLIENT_ID environment variable.');
     }
 
-    // Return the OAuth URL for debugging
-    return data;
+    const redirectUri = `${globalThis.location.origin}/auth/callback`;
+    const url = getGitHubOAuthUrl(clientId, redirectUri);
+
+    return { url };
   };
 
   return {
@@ -59,45 +253,33 @@ export const useGitHubAuth = () => {
   };
 };
 
-// Supabase Email/Password authentication hook
+// Email/Password auth hook (backward compatible)
 export const useEmailAuth = () => {
+  const loginMutation = useLogin();
+  const signupMutation = useSignup();
+  const { clearSession } = useAuthStore();
+
   const signInWithEmail = async (email: string, password: string) => {
-    const { data, error } = await supabase.auth.signInWithPassword({
-      email,
-      password,
-    });
-
-    if (error) {
-      throw error;
-    }
-
-    return data;
+    const result = await loginMutation.mutateAsync({ email, password });
+    return {
+      user: result.user,
+      session: {
+        access_token: result.token.access_token,
+        refresh_token: result.token.refresh_token,
+      },
+    };
   };
 
   const signUpWithEmail = async (email: string, password: string, fullname: string) => {
-    const { data, error } = await supabase.auth.signUp({
-      email,
-      password,
-      options: {
-        data: {
-          full_name: fullname,
-        },
-      },
-    });
-
-    if (error) {
-      throw error;
-    }
-
-    return data;
+    const result = await signupMutation.mutateAsync({ email, password, fullname });
+    // Signup only returns a message (user needs to verify email first)
+    return {
+      message: result.message,
+    };
   };
 
   const signOut = async () => {
-    const { error } = await supabase.auth.signOut();
-
-    if (error) {
-      throw error;
-    }
+    clearSession();
   };
 
   return {
@@ -106,3 +288,58 @@ export const useEmailAuth = () => {
     signOut,
   };
 };
+
+// Legacy hooks for old API compatibility (deprecated)
+
+/** @deprecated Use useLogin instead */
+export const usePostLogin = () => {
+  return useMutation({
+    mutationFn: async (data: LoginRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<AuthResponse>>(
+        '/auth/login',
+        data
+      );
+      return { data: response.data.data };
+    },
+  });
+};
+
+/** @deprecated Use useSignup instead */
+export const usePostRegister = () => {
+  return useMutation({
+    mutationFn: async (data: SignupRequest) => {
+      const response = await hackathonApi.post<HackathonApiResponse<AuthResponse>>(
+        '/auth/signup',
+        data
+      );
+      return { data: response.data.data };
+    },
+  });
+};
+
+/** @deprecated Not needed with new backend */
+export const usePostVerifyEmail = () => {
+  return useMutation({
+    mutationFn: async () => {
+      throw new Error('Email verification not required with new backend');
+    },
+  });
+};
+
+/** @deprecated Not needed with new backend */
+export const usePostSendOtp = () => {
+  return useMutation({
+    mutationFn: async () => {
+      throw new Error('OTP not required with new backend');
+    },
+  });
+};
+
+/** @deprecated Use useGitHubCallback instead */
+export const useGoogleCallback = () => {
+  return useMutation({
+    mutationFn: async () => {
+      throw new Error('Google OAuth not supported. Use GitHub OAuth instead.');
+    },
+  });
+};

libs/service/src/hooks/messages/index.ts

@@ -1,7 +1,6 @@
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
-import { supabase } from '../../supabase';
+import { hackathonApi, HackathonApiResponse } from '../../api/hackathon';
 import { useAuthStore } from '../auth';
-import { useEffect } from 'react';
 
 export type Message = {
   id: string;
@@ -24,101 +23,22 @@ export const messageKeys = {
   team: (teamId: string) => [...messageKeys.all, 'team', teamId] as const,
 };
 
-// Fetch messages for a team
+// Fetch messages for a team with polling
 export const useTeamMessages = (teamId: string) => {
-  const queryClient = useQueryClient();
-
-  const query = useQuery({
+  return useQuery({
     queryKey: messageKeys.team(teamId),
     queryFn: async () => {
-      const { data: messages, error } = await supabase
-        .from('team_messages')
-        .select(`
-          id,
-          team_id,
-          user_id,
-          message,
-          created_at,
-          updated_at,
-          user:users(id, fullname, avatar, email)
-        `)
-        .eq('team_id', teamId)
-        .order('created_at', { ascending: true });
-
-      if (error) {
-        console.error('Failed to fetch messages:', error);
-        throw new Error(error.message || 'Failed to fetch messages');
-      }
-
-      return messages as Message[];
+      const response = await hackathonApi.get<HackathonApiResponse<Message[]>>(
+        `/chat/teams/${teamId}`
+      );
+      return response.data.data || [];
     },
     enabled: !!teamId,
+    // Poll every 3 seconds for new messages
+    refetchInterval: 3000,
+    // Keep refetching even when window loses focus
+    refetchIntervalInBackground: true,
   });
-
-  // Subscribe to realtime updates
-  useEffect(() => {
-    if (!teamId) return;
-
-    const channel = supabase
-      .channel(`team_messages:${teamId}`)
-      .on(
-        'postgres_changes',
-        {
-          event: 'INSERT',
-          schema: 'public',
-          table: 'team_messages',
-          filter: `team_id=eq.${teamId}`,
-        },
-        async (payload) => {
-          console.log('[Realtime] New message:', payload);
-
-          // Fetch the full message with user data
-          const { data: newMessage } = await supabase
-            .from('team_messages')
-            .select(`
-              id,
-              team_id,
-              user_id,
-              message,
-              created_at,
-              updated_at,
-              user:users(id, fullname, avatar, email)
-            `)
-            .eq('id', payload.new.id)
-            .single();
-
-          if (newMessage) {
-            queryClient.setQueryData<Message[]>(
-              messageKeys.team(teamId),
-              (old) => [...(old || []), newMessage as Message]
-            );
-          }
-        }
-      )
-      .on(
-        'postgres_changes',
-        {
-          event: 'DELETE',
-          schema: 'public',
-          table: 'team_messages',
-          filter: `team_id=eq.${teamId}`,
-        },
-        (payload) => {
-          console.log('[Realtime] Message deleted:', payload);
-          queryClient.setQueryData<Message[]>(
-            messageKeys.team(teamId),
-            (old) => old?.filter((msg) => msg.id !== payload.old.id) || []
-          );
-        }
-      )
-      .subscribe();
-
-    return () => {
-      supabase.removeChannel(channel);
-    };
-  }, [teamId, queryClient]);
-
-  return query;
 };
 
 // Send a message
@@ -132,26 +52,15 @@ export const useSendMessage = (teamId: string) => {
         throw new Error('You must be logged in to send messages');
       }
 
-      const { data, error } = await supabase
-        .from('team_messages')
-        .insert({
-          team_id: teamId,
-          user_id: session.user.id,
-          message,
-        })
-        .select()
-        .single();
+      const response = await hackathonApi.post<HackathonApiResponse<Message>>(
+        `/chat/teams/${teamId}`,
+        { message }
+      );
 
-      if (error) {
-        console.error('Failed to send message:', error);
-        throw new Error(error.message || 'Failed to send message');
-      }
-
-      return data;
+      return response.data.data;
     },
     onSuccess: () => {
-      // Realtime will handle adding the message to the list
-      // But we can invalidate to ensure consistency
+      // Invalidate to trigger immediate refetch
       queryClient.invalidateQueries({ queryKey: messageKeys.team(teamId) });
     },
   });
@@ -163,18 +72,9 @@ export const useDeleteMessage = (teamId: string) => {
 
   return useMutation({
     mutationFn: async (messageId: string) => {
-      const { error } = await supabase
-        .from('team_messages')
-        .delete()
-        .eq('id', messageId);
-
-      if (error) {
-        console.error('Failed to delete message:', error);
-        throw new Error(error.message || 'Failed to delete message');
-      }
+      await hackathonApi.delete(`/chat/messages/${messageId}`);
     },
     onSuccess: () => {
-      // Realtime will handle removing the message from the list
       queryClient.invalidateQueries({ queryKey: messageKeys.team(teamId) });
     },
   });

libs/service/src/hooks/teams/index.ts

@@ -1,6 +1,5 @@
-import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
-import * as teamsApi from '../../api/teams';
-import { supabase, getAuthenticatedClient } from '../../supabase';
+import { useMutation, useQuery, useQueryClient, useInfiniteQuery } from '@tanstack/react-query';
+import { hackathonApi, HackathonApiResponse } from '../../api/hackathon';
 import { useAuthStore } from '../auth';
 import type {
   TCreateTeamRequest,
@@ -24,6 +23,101 @@ export const teamKeys = {
   myInvitations: () => [...teamKeys.all, 'my-invitations'] as const,
 };
 
+// API response types
+interface TeamMember {
+  id: string;
+  team_id: string;
+  user_id: string;
+  role: string;
+  status: string;
+  joined_at: string;
+  user?: {
+    id: string;
+    email: string;
+    fullname: string;
+    avatar: string;
+  };
+}
+
+interface Team {
+  id: string;
+  name: string;
+  logo?: string;
+  banner?: string;
+  description?: string;
+  city?: string;
+  visibility: string;
+  leader_id: string;
+  created_at: string;
+  leader?: {
+    id: string;
+    email: string;
+    fullname: string;
+    avatar: string;
+  };
+  members?: TeamMember[];
+  member_count?: number;
+  has_submission?: boolean;
+}
+
+interface JoinRequest {
+  id: string;
+  team_id: string;
+  user_id: string;
+  message?: string;
+  status: string;
+  created_at: string;
+  user?: {
+    id: string;
+    email: string;
+    fullname: string;
+    avatar: string;
+  };
+}
+
+interface Invitation {
+  id: string;
+  team_id: string;
+  inviter_id: string;
+  invitee_email: string;
+  invitee_id?: string;
+  status: string;
+  created_at: string;
+  team?: Team;
+  inviter?: {
+    id: string;
+    fullname: string;
+    email: string;
+    avatar: string;
+  };
+}
+
+interface Submission {
+  id: string;
+  team_id: string;
+  project_name: string;
+  description?: string;
+  repository_url?: string;
+  demo_url?: string;
+  video_url?: string;
+  presentation_url?: string;
+  status: string;
+  submitted_at?: string;
+  created_at: string;
+}
+
+// List response type with pagination
+interface ListResponseWithMeta<T> {
+  message: string;
+  data: T[];
+  meta: {
+    page: number;
+    per_page: number;
+    total_page: number;
+    total_data: number;
+  };
+}
+
 // Team CRUD Hooks
 export const useTeams = (params?: {
   page?: number;
@@ -31,100 +125,78 @@ export const useTeams = (params?: {
   city?: string;
   visibility?: string;
   search?: string;
+  minMembers?: number;
+  maxMembers?: number;
+  hasSubmission?: boolean;
 }) => {
   return useQuery({
     queryKey: teamKeys.list(params),
     queryFn: async () => {
-      try {
-        // Supabase client now has auth context from setSession()
-        let query = supabase.from('teams').select(`
-          *,
-          members:team_members(id)
-        `);
+      const queryParams = new URLSearchParams();
+      if (params?.page) queryParams.append('page', String(params.page));
+      if (params?.limit) queryParams.append('per_page', String(params.limit));
+      if (params?.search) queryParams.append('search', params.search);
+      if (params?.city) queryParams.append('city', params.city);
+      if (params?.visibility) queryParams.append('visibility', params.visibility);
+      if (params?.minMembers) queryParams.append('min_members', String(params.minMembers));
+      if (params?.maxMembers) queryParams.append('max_members', String(params.maxMembers));
+      if (params?.hasSubmission !== undefined) queryParams.append('has_submission', String(params.hasSubmission));
 
-        // Filter by visibility
-        if (params?.visibility) {
-          query = query.eq('visibility', params.visibility);
-        }
+      const response = await hackathonApi.get<ListResponseWithMeta<Team>>(
+        `/teams/browse${queryParams.toString() ? `?${queryParams.toString()}` : ''}`
+      );
 
-        // Filter by city
-        if (params?.city) {
-          query = query.eq('city', params.city);
-        }
-
-        // Search by name
-        if (params?.search) {
-          query = query.ilike('name', `%${params.search}%`);
-        }
-
-        // Pagination
-        if (params?.page && params?.limit) {
-          const from = (params.page - 1) * params.limit;
-          const to = from + params.limit - 1;
-          query = query.range(from, to);
-        }
-
-        const { data, error } = await query;
-
-        if (error) {
-          // If error is 401/403, it means RLS policies need to be set up
-          // Return empty array for now
-          console.warn('Teams query error (RLS policies may need to be configured):', error);
-          return { data: [] };
-        }
-
-        return { data: data || [] };
-      } catch (err) {
-        console.error('Failed to fetch teams:', err);
-        return { data: [] };
-      }
+      const { data, meta } = response.data;
+      return {
+        teams: data || [],
+        total: meta?.total_data || 0,
+        page: meta?.page || 1,
+        perPage: meta?.per_page || 12,
+        totalPages: meta?.total_page || 1,
+      };
     },
   });
 };
 
+// Infinite scroll teams hook
+const TEAMS_PAGE_SIZE = 12;
+
+export const useInfiniteTeams = (params?: {
+  city?: string;
+  visibility?: string;
+  search?: string;
+}) => {
+  return useInfiniteQuery({
+    queryKey: [...teamKeys.lists(), 'infinite', params],
+    queryFn: async ({ pageParam = 1 }) => {
+      const queryParams = new URLSearchParams();
+      queryParams.append('page', String(pageParam));
+      queryParams.append('limit', String(TEAMS_PAGE_SIZE));
+      if (params?.search) queryParams.append('search', params.search);
+      if (params?.city) queryParams.append('city', params.city);
+      if (params?.visibility) queryParams.append('visibility', params.visibility);
+
+      const response = await hackathonApi.get<HackathonApiResponse<Team[]>>(
+        `/teams/browse?${queryParams.toString()}`
+      );
+
+      const teams = response.data.data || [];
+      return {
+        data: teams,
+        nextPage: teams.length === TEAMS_PAGE_SIZE ? pageParam + 1 : undefined,
+      };
+    },
+    initialPageParam: 1,
+    getNextPageParam: (lastPage) => lastPage.nextPage,
+  });
+};
+
 export const useTeamById = (teamId: string, enabled = true) => {
   return useQuery({
     queryKey: teamKeys.detail(teamId),
     queryFn: async () => {
-      // Supabase client now has auth context from setSession()
-      const { data: team, error } = await supabase
-        .from('teams')
-        .select(`
-          *,
-          leader:users!leader_id(id, email, fullname, avatar),
-          members:team_members(
-            id,
-            role,
-            status,
-            joined_at,
-            user:users(id, email, fullname, avatar)
-          )
-        `)
-        .eq('id', teamId)
-        .single();
-
-      if (error) {
-        console.error('Failed to fetch team:', error);
-        throw new Error(error.message || 'Failed to fetch team');
-      }
-
-      // Count active members
-      const activeMemberCount = team?.members?.filter((m: any) => m.status === 'active').length || 0;
-
-      // Check if team has a submission
-      const { data: submission } = await supabase
-        .from('project_submissions')
-        .select('id')
-        .eq('team_id', teamId)
-        .maybeSingle();
-
-      return {
-        data: {
-          ...team,
-          member_count: activeMemberCount,
-          has_submission: !!submission,
-        },
-      };
+      const response = await hackathonApi.get<HackathonApiResponse<Team>>(`/teams/${teamId}`);
+      return { data: response.data.data };
     },
     enabled: enabled && !!teamId,
   });
@@ -140,50 +212,16 @@ export const useCreateTeam = () => {
         throw new Error('You must be logged in to create a team');
       }
 
-      // Supabase client now has auth context from setSession()
-      const { data: team, error: teamError } = await supabase
-        .from('teams')
-        .insert({
-          name: data.name,
-          logo: data.logo,
-          banner: data.banner,
-          description: data.description,
-          city: data.city,
-          visibility: data.visibility,
-          leader_id: session.user.id,
-        })
-        .select()
-        .single();
+      const response = await hackathonApi.post<HackathonApiResponse<Team>>('/teams', {
+        name: data.name,
+        logo: data.logo,
+        banner: data.banner,
+        description: data.description,
+        city: data.city,
+        visibility: data.visibility,
+      });
 
-      if (teamError) {
-        console.error('Failed to create team:', teamError);
-        throw new Error(teamError.message || 'Failed to create team');
-      }
-
-      // Insert team creator as leader in team_members table
-      const { error: memberError } = await supabase
-        .from('team_members')
-        .insert({
-          team_id: team.id,
-          user_id: session.user.id,
-          role: 'leader',
-          status: 'active',
-        });
-
-      if (memberError) {
-        // If duplicate key error (23505), it means leader is already a member (possibly by trigger)
-        // This is acceptable, so we can ignore it
-        if (memberError.code === '23505') {
-          console.log('Team leader already exists in team_members (likely added by trigger)');
-        } else {
-          // For other errors, clean up and throw
-          console.error('Failed to add team leader as member:', memberError);
-          await supabase.from('teams').delete().eq('id', team.id);
-          throw new Error('Failed to set up team membership');
-        }
-      }
-
-      return { data: team };
+      return { data: response.data.data };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.lists() });
@@ -202,27 +240,16 @@ export const useUpdateTeam = (teamId: string) => {
         throw new Error('You must be logged in to update a team');
       }
 
-      // Supabase client now has auth context from setSession()
-      const { data: team, error } = await supabase
-        .from('teams')
-        .update({
-          name: data.name,
-          logo: data.logo,
-          banner: data.banner,
-          description: data.description,
-          city: data.city,
-          visibility: data.visibility,
-        })
-        .eq('id', teamId)
-        .select()
-        .single();
+      const response = await hackathonApi.put<HackathonApiResponse<Team>>(`/teams/${teamId}`, {
+        name: data.name,
+        logo: data.logo,
+        banner: data.banner,
+        description: data.description,
+        city: data.city,
+        visibility: data.visibility,
+      });
 
-      if (error) {
-        console.error('Failed to update team:', error);
-        throw new Error(error.message || 'Failed to update team');
-      }
-
-      return { data: team };
+      return { data: response.data.data };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.detail(teamId) });
@@ -231,32 +258,13 @@ export const useUpdateTeam = (teamId: string) => {
   });
 };
 
-// Team Members Hooks
+// Team Members Hooks - using team detail endpoint which includes members
 export const useTeamMembers = (teamId: string, enabled = true) => {
   return useQuery({
     queryKey: teamKeys.members(teamId),
     queryFn: async () => {
-      // Supabase client now has auth context from setSession()
-      const { data: members, error } = await supabase
-        .from('team_members')
-        .select(`
-          id,
-          team_id,
-          user_id,
-          role,
-          status,
-          joined_at,
-          user:users(id, email, fullname, avatar)
-        `)
-        .eq('team_id', teamId)
-        .order('joined_at', { ascending: true });
-
-      if (error) {
-        console.error('Failed to fetch team members:', error);
-        throw new Error(error.message || 'Failed to fetch team members');
-      }
-
-      return { data: members || [] };
+      const response = await hackathonApi.get<HackathonApiResponse<Team>>(`/teams/${teamId}`);
+      return { data: response.data.data?.members || [] };
     },
     enabled: enabled && !!teamId,
   });
@@ -272,24 +280,12 @@ export const useInviteMember = (teamId: string) => {
         throw new Error('You must be logged in to invite a member');
       }
 
-      // Insert invitation into team_invitations table
-      const { data: invitation, error } = await supabase
-        .from('team_invitations')
-        .insert({
-          team_id: teamId,
-          inviter_id: session.user.id,
-          invitee_email: data.email,
-          status: 'pending',
-        })
-        .select()
-        .single();
+      const response = await hackathonApi.post<HackathonApiResponse<Invitation>>(
+        `/teams/${teamId}/invite`,
+        { invitee_email: data.email }
+      );
 
-      if (error) {
-        console.error('Failed to create invitation:', error);
-        throw new Error(error.message || 'Failed to send invitation');
-      }
-
-      return { data: invitation };
+      return { data: response.data.data };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.members(teamId) });
@@ -301,8 +297,11 @@ export const useManageMember = (teamId: string) => {
   const queryClient = useQueryClient();
 
   return useMutation({
-    mutationFn: ({ userId, data }: { userId: string; data: any }) =>
-      teamsApi.manageMember(teamId, userId, data),
+    mutationFn: async ({ userId, data }: { userId: string; data: { role?: string; status?: string } }) => {
+      // This endpoint may not exist in the backend yet
+      // For now, we'll throw an error indicating it's not implemented
+      throw new Error('Manage member functionality not yet implemented in backend');
+    },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.members(teamId) });
       queryClient.invalidateQueries({ queryKey: teamKeys.detail(teamId) });
@@ -320,38 +319,7 @@ export const useRemoveMember = (teamId: string) => {
         throw new Error('You must be logged in to remove a member');
       }
 
-      // Verify the current user is the team leader
-      const { data: team, error: teamError } = await supabase
-        .from('teams')
-        .select('leader_id')
-        .eq('id', teamId)
-        .single();
-
-      if (teamError || !team) {
-        throw new Error('Team not found');
-      }
-
-      if (team.leader_id !== session.user.id) {
-        throw new Error('Only the team leader can remove members');
-      }
-
-      // Cannot remove the leader
-      if (userId === team.leader_id) {
-        throw new Error('Cannot remove the team leader');
-      }
-
-      // Delete the team member record
-      const { error: deleteError } = await supabase
-        .from('team_members')
-        .delete()
-        .eq('team_id', teamId)
-        .eq('user_id', userId);
-
-      if (deleteError) {
-        console.error('Failed to remove member:', deleteError);
-        throw new Error(deleteError.message || 'Failed to remove member');
-      }
-
+      await hackathonApi.delete(`/teams/${teamId}/members/${userId}`);
       return { success: true };
     },
     onSuccess: () => {
@@ -372,24 +340,12 @@ export const useJoinTeam = () => {
         throw new Error('You must be logged in to join a team');
       }
 
-      // Insert join request into team_join_requests table
-      const { data: joinRequest, error } = await supabase
-        .from('team_join_requests')
-        .insert({
-          team_id: teamId,
-          user_id: session.user.id,
-          message: data.message,
-          status: 'pending',
-        })
-        .select()
-        .single();
+      const response = await hackathonApi.post<HackathonApiResponse<JoinRequest>>(
+        `/join-requests/teams/${teamId}`,
+        { message: data.message }
+      );
 
-      if (error) {
-        console.error('Failed to create join request:', error);
-        throw new Error(error.message || 'Failed to send join request');
-      }
-
-      return { data: joinRequest };
+      return { data: response.data.data };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.lists() });
@@ -401,28 +357,10 @@ export const useTeamJoinRequests = (teamId: string, enabled = true) => {
   return useQuery({
     queryKey: teamKeys.joinRequests(teamId),
     queryFn: async () => {
-      // Fetch join requests with user information
-      const { data: requests, error } = await supabase
-        .from('team_join_requests')
-        .select(`
-          id,
-          team_id,
-          user_id,
-          message,
-          status,
-          created_at,
-          user:users(id, email, fullname, avatar)
-        `)
-        .eq('team_id', teamId)
-        .eq('status', 'pending')
-        .order('created_at', { ascending: false });
-
-      if (error) {
-        console.error('Failed to fetch join requests:', error);
-        throw new Error(error.message || 'Failed to fetch join requests');
-      }
-
-      return { data: requests || [] };
+      const response = await hackathonApi.get<HackathonApiResponse<JoinRequest[]>>(
+        `/join-requests/teams/${teamId}/pending`
+      );
+      return { data: response.data.data || [] };
     },
     enabled: enabled && !!teamId,
   });
@@ -438,76 +376,14 @@ export const useRespondToJoinRequest = (teamId: string) => {
         throw new Error('You must be logged in to respond to join requests');
       }
 
-      // First, get the join request details
-      const { data: joinRequest, error: fetchError } = await supabase
-        .from('team_join_requests')
-        .select('id, team_id, user_id, status')
-        .eq('id', requestId)
-        .single();
+      // Backend uses 'accept' instead of 'approve'
+      const backendAction = action === 'approve' ? 'accept' : 'reject';
 
-      if (fetchError || !joinRequest) {
-        throw new Error('Join request not found');
-      }
+      await hackathonApi.post(`/join-requests/${requestId}/respond`, {
+        action: backendAction,
+      });
 
-      if (joinRequest.status !== 'pending') {
-        throw new Error('Join request has already been processed');
-      }
-
-      if (action === 'approve') {
-        // Update join request status
-        const { error: updateError } = await supabase
-          .from('team_join_requests')
-          .update({ status: 'accepted' })
-          .eq('id', requestId);
-
-        if (updateError) {
-          throw new Error('Failed to update join request: ' + updateError.message);
-        }
-
-        // Add user as team member
-        const { error: memberError } = await supabase
-          .from('team_members')
-          .insert({
-            team_id: joinRequest.team_id,
-            user_id: joinRequest.user_id,
-            role: 'member',
-            status: 'active',
-          });
-
-        if (memberError) {
-          // If member creation fails, rollback join request update
-          await supabase
-            .from('team_join_requests')
-            .update({ status: 'pending' })
-            .eq('id', requestId);
-
-          // Parse Supabase error for user-friendly message
-          let errorMsg = memberError.message;
-          if (errorMsg.includes('Team already has 5 members') || errorMsg.includes('Team cannot have more than 5 members')) {
-            errorMsg = 'Team is full! Maximum 5 members allowed.';
-          } else if (errorMsg.includes('already in a team') || errorMsg.includes('User is already in a team')) {
-            errorMsg = 'This user is already in another team.';
-          } else if (errorMsg.includes('Bulk insert')) {
-            errorMsg = 'Invalid operation detected.';
-          }
-
-          throw new Error(errorMsg);
-        }
-
-        return { success: true, action: 'accepted' };
-      } else {
-        // Reject join request
-        const { error: updateError } = await supabase
-          .from('team_join_requests')
-          .update({ status: 'rejected' })
-          .eq('id', requestId);
-
-        if (updateError) {
-          throw new Error('Failed to update join request: ' + updateError.message);
-        }
-
-        return { success: true, action: 'rejected' };
-      }
+      return { success: true, action };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.joinRequests(teamId) });
@@ -524,49 +400,10 @@ export const useMyInvitations = () => {
   return useQuery({
     queryKey: teamKeys.myInvitations(),
     queryFn: async () => {
-      if (!session?.user?.email) {
-        return { data: [] };
-      }
-
-      // Query team_invitations where invitee_email matches current user's email
-      const { data: invitations, error } = await supabase
-        .from('team_invitations')
-        .select(`
-          id,
-          team_id,
-          inviter_id,
-          invitee_email,
-          invitee_id,
-          status,
-          created_at,
-          team:teams(
-            id,
-            name,
-            logo,
-            banner,
-            description,
-            city,
-            visibility,
-            leader_id
-          ),
-          inviter:users!team_invitations_inviter_id_fkey(
-            id,
-            fullname,
-            email,
-            avatar
-          )
-        `)
-        .eq('invitee_email', session.user.email)
-        .eq('status', 'pending');
-
-      if (error) {
-        console.error('Failed to fetch invitations:', error);
-        return { data: [] };
-      }
-
-      return { data: invitations || [] };
+      const response = await hackathonApi.get<HackathonApiResponse<Invitation[]>>('/invitations/my');
+      return { data: response.data.data || [] };
     },
-    enabled: !!session?.user?.email,
+    enabled: !!session?.user?.id,
   });
 };
 
@@ -580,75 +417,9 @@ export const useRespondToInvitation = () => {
         throw new Error('User not authenticated');
       }
 
-      // First, get the invitation details
-      const { data: invitation, error: fetchError } = await supabase
-        .from('team_invitations')
-        .select('id, team_id, invitee_email, status')
-        .eq('id', invitationId)
-        .single();
+      await hackathonApi.post(`/invitations/${invitationId}/respond`, { action });
 
-      if (fetchError || !invitation) {
-        throw new Error('Invitation not found');
-      }
-
-      if (invitation.status !== 'pending') {
-        throw new Error('Invitation has already been responded to');
-      }
-
-      if (action === 'accept') {
-        // Update invitation status and set invitee_id
-        const { error: updateError } = await supabase
-          .from('team_invitations')
-          .update({
-            status: 'accepted',
-            invitee_id: session.user.id,
-          })
-          .eq('id', invitationId);
-
-        if (updateError) {
-          throw new Error('Failed to update invitation: ' + updateError.message);
-        }
-
-        // Create team_members record
-        const { error: memberError } = await supabase
-          .from('team_members')
-          .insert({
-            team_id: invitation.team_id,
-            user_id: session.user.id,
-            role: 'member',
-            status: 'active',
-          });
-
-        if (memberError) {
-          // If member creation fails, rollback invitation update
-          await supabase
-            .from('team_invitations')
-            .update({
-              status: 'pending',
-              invitee_id: null,
-            })
-            .eq('id', invitationId);
-
-          throw new Error('Failed to add member to team: ' + memberError.message);
-        }
-
-        return { success: true, action: 'accepted' };
-      } else {
-        // Reject invitation
-        const { error: updateError } = await supabase
-          .from('team_invitations')
-          .update({
-            status: 'rejected',
-            invitee_id: session.user.id,
-          })
-          .eq('id', invitationId);
-
-        if (updateError) {
-          throw new Error('Failed to update invitation: ' + updateError.message);
-        }
-
-        return { success: true, action: 'rejected' };
-      }
+      return { success: true, action };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.myInvitations() });
@@ -665,38 +436,10 @@ export const useMyTeams = () => {
   return useQuery({
     queryKey: teamKeys.myTeams(),
     queryFn: async () => {
-      if (!session?.user?.id) {
-        return { data: [] };
-      }
-
-      // Query team_members to find teams where user is a member
-      const { data: memberships, error: membershipsError } = await supabase
-        .from('team_members')
-        .select(`
-          team_id,
-          team:teams(
-            id,
-            name,
-            logo,
-            banner,
-            description,
-            city,
-            visibility,
-            leader_id,
-            created_at
-          )
-        `)
-        .eq('user_id', session.user.id)
-        .eq('status', 'active');
-
-      if (membershipsError) {
-        console.error('Failed to fetch user teams:', membershipsError);
-        return { data: [] };
-      }
-
-      // Extract teams from memberships
-      const teams = memberships?.map((m: any) => m.team).filter(Boolean) || [];
-
+      const response = await hackathonApi.get<HackathonApiResponse<any[]>>('/teams/my');
+      const rawData = response.data.data || [];
+      // Unwrap nested team data if present (API returns [{team: {...}}] or [{id, name, ...}])
+      const teams = rawData.map((item: any) => item.team || item);
       return { data: teams };
     },
     enabled: !!session?.user?.id,
@@ -709,7 +452,60 @@ export const useSubmitProject = (teamId: string) => {
 
   return useMutation({
     mutationFn: async (data: TSubmitProjectRequest) => {
-      return await teamsApi.submitProject(teamId, data);
+      let submissionId: string;
+
+      // First, check if submission exists
+      try {
+        const existingResponse = await hackathonApi.get<HackathonApiResponse<Submission | null>>(
+          `/submissions/teams/${teamId}`
+        );
+
+        if (existingResponse.data.data?.id) {
+          // Update existing submission
+          const response = await hackathonApi.put<HackathonApiResponse<Submission>>(
+            `/submissions/${existingResponse.data.data.id}`,
+            {
+              project_name: data.project_name,
+              description: data.description,
+              repository_url: data.repository_url,
+              demo_url: data.demo_url,
+              video_url: data.video_url,
+              presentation_url: data.presentation_url,
+              screenshots: data.screenshots,
+            }
+          );
+          submissionId = response.data.data.id;
+        } else {
+          throw new Error('No existing submission');
+        }
+      } catch {
+        // No existing submission, create new one
+        const response = await hackathonApi.post<HackathonApiResponse<Submission>>(
+          `/submissions/teams/${teamId}`,
+          {
+            project_name: data.project_name,
+            description: data.description,
+            repository_url: data.repository_url,
+            demo_url: data.demo_url,
+            video_url: data.video_url,
+            presentation_url: data.presentation_url,
+            screenshots: data.screenshots,
+          }
+        );
+        submissionId = response.data.data.id;
+      }
+
+      // Step 2: Submit the project (draft -> pending_verification)
+      await hackathonApi.post<HackathonApiResponse<Submission>>(
+        `/submissions/${submissionId}/submit`
+      );
+
+      // Step 3: Confirm the submission (pending_verification -> submitted)
+      const finalResponse = await hackathonApi.post<HackathonApiResponse<Submission>>(
+        `/submissions/${submissionId}/confirm`
+      );
+
+      return { data: finalResponse.data.data };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.submission(teamId) });
@@ -722,8 +518,10 @@ export const useTeamSubmission = (teamId: string, enabled = true) => {
   return useQuery({
     queryKey: teamKeys.submission(teamId),
     queryFn: async () => {
-      const submission = await teamsApi.getTeamSubmission(teamId);
-      return { data: submission };
+      const response = await hackathonApi.get<HackathonApiResponse<Submission | null>>(
+        `/submissions/teams/${teamId}`
+      );
+      return { data: response.data.data };
     },
     enabled: enabled && !!teamId,
   });
@@ -732,10 +530,17 @@ export const useTeamSubmission = (teamId: string, enabled = true) => {
 // Leave Team Hook
 export const useLeaveTeam = () => {
   const queryClient = useQueryClient();
+  const { session } = useAuthStore();
 
   return useMutation({
     mutationFn: async (teamId: string) => {
-      return await teamsApi.leaveTeam(teamId);
+      if (!session?.user?.id) {
+        throw new Error('You must be logged in to leave a team');
+      }
+
+      // Use the dedicated leave team endpoint
+      await hackathonApi.post(`/teams/${teamId}/leave`);
+      return { success: true };
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: teamKeys.myTeams() });
@@ -744,43 +549,36 @@ export const useLeaveTeam = () => {
   });
 };
 
-// Get Teams by User ID
+// Delete Team Hook (Leader only)
+export const useDeleteTeam = () => {
+  const queryClient = useQueryClient();
+  const { session } = useAuthStore();
+
+  return useMutation({
+    mutationFn: async (teamId: string) => {
+      if (!session?.user?.id) {
+        throw new Error('You must be logged in to delete a team');
+      }
+
+      await hackathonApi.delete(`/teams/${teamId}`);
+      return { success: true };
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: teamKeys.myTeams() });
+      queryClient.invalidateQueries({ queryKey: teamKeys.lists() });
+    },
+  });
+};
+
+// Get Teams by User ID - uses /users/{user_id}/teams
 export const useTeamsByUserId = (userId: string) => {
   return useQuery({
     queryKey: ['teams-by-user', userId],
     queryFn: async () => {
-      if (!userId) {
-        return { data: [] };
-      }
-
-      // Query team_members to find teams where user is a member
-      const { data: memberships, error: membershipsError } = await supabase
-        .from('team_members')
-        .select(`
-          team_id,
-          team:teams(
-            id,
-            name,
-            logo,
-            banner,
-            description,
-            city,
-            visibility,
-            leader_id,
-            created_at
-          )
-        `)
-        .eq('user_id', userId)
-        .eq('status', 'active');
-
-      if (membershipsError) {
-        console.error('Failed to fetch user teams:', membershipsError);
-        return { data: [] };
-      }
-
-      // Extract teams from memberships
-      const teams = memberships?.map((m: any) => m.team).filter(Boolean) || [];
-
+      const response = await hackathonApi.get<HackathonApiResponse<any[]>>(`/users/${userId}/teams`);
+      const rawData = response.data.data || [];
+      // Unwrap nested team data if present (API returns [{team: {...}}] or [{id, name, ...}])
+      const teams = rawData.map((item: any) => item.team || item);
       return { data: teams };
     },
     enabled: !!userId,

libs/service/src/hooks/upload/index.ts

@@ -1,8 +1,27 @@
 import { useMutation } from '@tanstack/react-query';
-import { supabase, getAuthenticatedClient } from '../../supabase';
+import { hackathonApi, HackathonApiResponse } from '../../api/hackathon';
 import { useAuthStore } from '../auth';
 
-// Supabase Storage-based upload hooks
+// Upload response type from backend
+interface UploadResponse {
+  url: string;
+}
+
+// Helper function to convert File to base64
+const fileToBase64 = (file: File): Promise<string> => {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.readAsDataURL(file);
+    reader.onload = () => {
+      // Remove the data:image/xxx;base64, prefix
+      const base64 = (reader.result as string).split(',')[1];
+      resolve(base64);
+    };
+    reader.onerror = (error) => reject(error);
+  });
+};
+
+// Backend API-based upload hooks
 
 export const useUploadFile = () => {
   const { session } = useAuthStore();
@@ -14,30 +33,18 @@ export const useUploadFile = () => {
         throw new Error('You must be logged in to upload files');
       }
 
-      // Generate a unique file name
-      const fileExt = file.name.split('.').pop();
-      const fileName = `${session.user.id}-${Date.now()}.${fileExt}`;
-      const filePath = `teams/${fileName}`;
+      const base64Data = await fileToBase64(file);
 
-      // Supabase client now has auth context from setSession()
-      const { error } = await supabase.storage
-        .from('hackathon-uploads')
-        .upload(filePath, file, {
-          cacheControl: '3600',
-          upsert: true,
-        });
+      const response = await hackathonApi.post<HackathonApiResponse<UploadResponse>>(
+        '/upload/team',
+        {
+          filename: file.name,
+          content_type: file.type,
+          data: base64Data,
+        }
+      );
 
-      if (error) {
-        console.error('Failed to upload file:', error);
-        throw new Error(error.message || 'Failed to upload file');
-      }
-
-      // Get public URL
-      const { data: publicUrlData } = supabase.storage
-        .from('hackathon-uploads')
-        .getPublicUrl(filePath);
-
-      return { data: { url: publicUrlData.publicUrl } };
+      return { data: { url: response.data.data.url } };
     },
   });
 };
@@ -52,34 +59,131 @@ export const useUploadAvatar = () => {
         throw new Error('You must be logged in to upload avatar');
       }
 
-      // Generate a unique file name
-      const fileExt = file.name.split('.').pop();
-      const fileName = `${session.user.id}-${Date.now()}.${fileExt}`;
-      const filePath = `avatars/${fileName}`;
-
-      // Supabase client now has auth context from setSession()
-      const { error } = await supabase.storage
-        .from('hackathon-uploads')
-        .upload(filePath, file, {
-          cacheControl: '3600',
-          upsert: true,
-        });
-
-      if (error) {
-        console.error('Failed to upload avatar:', error);
-        throw new Error(error.message || 'Failed to upload avatar');
+      // Validate file type
+      const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp', 'image/gif'];
+      if (!allowedTypes.includes(file.type)) {
+        throw new Error('Invalid file type. Allowed types: JPEG, PNG, WebP, GIF');
       }
 
-      // Get public URL
-      const { data: publicUrlData } = supabase.storage
-        .from('hackathon-uploads')
-        .getPublicUrl(filePath);
+      // Validate file size (max 5MB)
+      const maxSize = 5 * 1024 * 1024;
+      if (file.size > maxSize) {
+        throw new Error('File too large. Maximum size: 5MB');
+      }
 
-      return { data: { url: publicUrlData.publicUrl } };
+      const base64Data = await fileToBase64(file);
+
+      const response = await hackathonApi.post<HackathonApiResponse<UploadResponse>>(
+        '/upload/avatar',
+        {
+          filename: file.name,
+          content_type: file.type,
+          data: base64Data,
+        }
+      );
+
+      return { data: { url: response.data.data.url } };
     },
   });
 };
 
+export const useUploadTeamFile = () => {
+  const { session } = useAuthStore();
+
+  return useMutation({
+    mutationKey: ['upload-team-file'],
+    mutationFn: async (file: File) => {
+      if (!session?.user?.id) {
+        throw new Error('You must be logged in to upload files');
+      }
+
+      // Validate file type
+      const allowedTypes = [
+        'image/jpeg',
+        'image/jpg',
+        'image/png',
+        'image/webp',
+        'image/gif',
+        'application/pdf',
+      ];
+      if (!allowedTypes.includes(file.type)) {
+        throw new Error('Invalid file type. Allowed types: JPEG, PNG, WebP, GIF, PDF');
+      }
+
+      // Validate file size (max 20MB)
+      const maxSize = 20 * 1024 * 1024;
+      if (file.size > maxSize) {
+        throw new Error('File too large. Maximum size: 20MB');
+      }
+
+      const base64Data = await fileToBase64(file);
+
+      const response = await hackathonApi.post<HackathonApiResponse<UploadResponse>>(
+        '/upload/team',
+        {
+          filename: file.name,
+          content_type: file.type,
+          data: base64Data,
+        }
+      );
+
+      return { data: { url: response.data.data.url } };
+    },
+  });
+};
+
+export const useUploadSubmission = () => {
+  const { session } = useAuthStore();
+
+  return useMutation({
+    mutationKey: ['upload-submission'],
+    mutationFn: async (file: File) => {
+      if (!session?.user?.id) {
+        throw new Error('You must be logged in to upload submissions');
+      }
+
+      // Validate file type
+      const allowedTypes = [
+        'image/jpeg',
+        'image/jpg',
+        'image/png',
+        'image/webp',
+        'image/gif',
+        'application/pdf',
+        'application/zip',
+        'application/x-zip-compressed',
+        'video/mp4',
+        'video/webm',
+      ];
+      if (!allowedTypes.includes(file.type)) {
+        throw new Error(
+          'Invalid file type. Allowed types: Images, PDF, ZIP, MP4, WebM'
+        );
+      }
+
+      // Validate file size (max 50MB)
+      const maxSize = 50 * 1024 * 1024;
+      if (file.size > maxSize) {
+        throw new Error('File too large. Maximum size: 50MB');
+      }
+
+      const base64Data = await fileToBase64(file);
+
+      const response = await hackathonApi.post<HackathonApiResponse<UploadResponse>>(
+        '/upload/submission',
+        {
+          filename: file.name,
+          content_type: file.type,
+          data: base64Data,
+        }
+      );
+
+      return { data: { url: response.data.data.url } };
+    },
+  });
+};
+
+// Keep useUploadCV for compatibility, using team upload endpoint
 export const useUploadCV = () => {
   const { session } = useAuthStore();
 
@@ -90,30 +194,29 @@ export const useUploadCV = () => {
         throw new Error('You must be logged in to upload CV');
       }
 
-      // Generate a unique file name
-      const fileExt = file.name.split('.').pop();
-      const fileName = `${session.user.id}-${Date.now()}.${fileExt}`;
-      const filePath = `cvs/${fileName}`;
-
-      // Supabase client now has auth context from setSession()
-      const { error } = await supabase.storage
-        .from('hackathon-uploads')
-        .upload(filePath, file, {
-          cacheControl: '3600',
-          upsert: true,
-        });
-
-      if (error) {
-        console.error('Failed to upload CV:', error);
-        throw new Error(error.message || 'Failed to upload CV');
+      // Validate file type
+      if (file.type !== 'application/pdf') {
+        throw new Error('CV must be a PDF file');
       }
 
-      // Get public URL
-      const { data: publicUrlData } = supabase.storage
-        .from('hackathon-uploads')
-        .getPublicUrl(filePath);
+      // Validate file size (max 20MB)
+      const maxSize = 20 * 1024 * 1024;
+      if (file.size > maxSize) {
+        throw new Error('File too large. Maximum size: 20MB');
+      }
 
-      return { data: { url: publicUrlData.publicUrl } };
+      const base64Data = await fileToBase64(file);
+
+      const response = await hackathonApi.post<HackathonApiResponse<UploadResponse>>(
+        '/upload/team',
+        {
+          filename: file.name,
+          content_type: file.type,
+          data: base64Data,
+        }
+      );
+
+      return { data: { url: response.data.data.url } };
     },
   });
 };

libs/service/src/hooks/users/index.ts

@@ -1,17 +1,41 @@
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
-import { userService } from '../../api/users';
-import { supabase, getAuthenticatedClient } from '../../supabase';
+import { hackathonApi, HackathonApiResponse } from '../../api/hackathon';
 import { useAuthStore } from '../auth';
 
-// Supabase-based user hooks
+// User type
+interface User {
+  id: string;
+  email: string;
+  fullname: string;
+  bio?: string;
+  location?: string;
+  avatar?: string;
+  skills?: string[];
+  created_at: string;
+  updated_at?: string;
+}
+
+// Update user request type
+interface UpdateUserRequest {
+  fullname?: string;
+  bio?: string;
+  location?: string;
+  avatar?: string;
+  skills?: string[];
+}
+
+// Backend API-based user hooks
 
 export const useUserMe = () => {
+  const { session } = useAuthStore();
+
   return useQuery({
     queryKey: ['user-me'],
     queryFn: async () => {
-      const user = await userService.getUserMe();
-      return { data: user };
+      const response = await hackathonApi.get<HackathonApiResponse<User>>('/users/me');
+      return { data: response.data.data };
     },
+    enabled: !!session?.user?.id,
   });
 };
 
@@ -19,8 +43,8 @@ export const useUserById = (id: string) => {
   return useQuery({
     queryKey: ['user-by-id', id],
     queryFn: async () => {
-      const user = await userService.getUserById(id);
-      return { data: user };
+      const response = await hackathonApi.get<HackathonApiResponse<User>>(`/users/${id}`);
+      return { data: response.data.data };
     },
     enabled: !!id,
   });
@@ -32,35 +56,24 @@ export const useUpdateUserMe = () => {
 
   return useMutation({
     mutationKey: ['update-user-me'],
-    mutationFn: async (data: any) => {
+    mutationFn: async (data: UpdateUserRequest) => {
       if (!session?.user?.id) {
         throw new Error('You must be logged in to update profile');
       }
 
-      // Supabase client now has auth context from setSession()
-      const { data: updatedUser, error } = await supabase
-        .from('users')
-        .update({
-          fullname: data.fullname,
-          bio: data.bio,
-          location: data.location,
-          avatar: data.avatar,
-          skills: data.skills,
-          updated_at: new Date().toISOString(),
-        })
-        .eq('id', session.user.id)
-        .select()
-        .single();
+      const response = await hackathonApi.put<HackathonApiResponse<User>>('/users/me', {
+        fullname: data.fullname,
+        bio: data.bio,
+        location: data.location,
+        avatar: data.avatar,
+        skills: data.skills,
+      });
 
-      if (error) {
-        console.error('Failed to update user profile:', error);
-        throw new Error(error.message || 'Failed to update profile');
-      }
-      return { data: updatedUser };
+      return { data: response.data.data };
     },
     onSuccess: (result) => {
       // Update Zustand session store with new user data
-      if (session && result.data) {
+      if (session?.user && result.data) {
         setSession({
           token: session.token,
           user: {
@@ -83,9 +96,11 @@ export const useUpdateUserById = () => {
 
   return useMutation({
     mutationKey: ['update-user-by-id'],
-    mutationFn: async ({ id, data }: { id: string; data: any }) => {
-      const updated = await userService.updateUserById(id, data);
-      return { data: updated };
+    mutationFn: async ({ id, data }: { id: string; data: UpdateUserRequest }) => {
+      // Note: This might not be supported by backend (only /users/me for updates)
+      // Keeping for API compatibility but it will likely fail
+      const response = await hackathonApi.put<HackathonApiResponse<User>>(`/users/${id}`, data);
+      return { data: response.data.data };
     },
     onSuccess: (_, variables) => {
       queryClient.invalidateQueries({ queryKey: ['user-by-id', variables.id] });
@@ -95,19 +110,10 @@ export const useUpdateUserById = () => {
 
 export const useUserDetailsById = (userId: string) => {
   return useQuery({
-    queryKey: ['user-supabase', userId],
+    queryKey: ['user-details', userId],
     queryFn: async () => {
-      const { data, error } = await supabase
-        .from('users')
-        .select('*')
-        .eq('id', userId)
-        .single();
-
-      if (error) {
-        throw new Error(error.message || 'Failed to fetch user');
-      }
-
-      return { data };
+      const response = await hackathonApi.get<HackathonApiResponse<User>>(`/users/${userId}`);
+      return { data: response.data.data };
     },
     enabled: !!userId,
   });

libs/service/src/index.ts

@@ -2,5 +2,5 @@ export * from './api';
 export * from './hooks';
 export * from './types';
 export * from './schemas';
-export * from './supabase';
 export * from './storage';
+// Note: Supabase export removed - using backend API instead

libs/service/src/types/teams/index.ts

@@ -36,6 +36,7 @@ export type TTeamItem = {
   city: string;
   visibility: ETeamVisibility;
   leader_id: string;
+  member_count: number;
   created_at: string;
   updated_at: string;
 };
@@ -43,7 +44,6 @@ export type TTeamItem = {
 export type TTeamDetailItem = TTeamItem & {
   leader: TUserItem;
   members: TTeamMemberItem[];
-  member_count: number;
   has_submission: boolean;
 };
 
@@ -125,6 +125,7 @@ export type TSubmitProjectRequest = {
   description: string;
   repository_url: string;
   demo_url?: string;
+  video_url?: string;
   presentation_url?: string;
   screenshots?: string[];
 };

libs/ui/src/organisms/backoffice-sidebar/backoffice-sidebar.tsx

@@ -3,64 +3,257 @@ import {
   AuditOutlined,
   BookOutlined,
   CommentOutlined,
+  DownOutlined,
   InboxOutlined,
   LogoutOutlined,
+  ReadOutlined,
   ReloadOutlined,
+  RightOutlined,
   ScheduleOutlined,
   SettingOutlined,
+  StockOutlined,
   UsergroupAddOutlined,
   UserOutlined,
   UserSwitchOutlined,
 } from '@ant-design/icons';
 import { Button } from '../../atoms';
-import { FC, ReactElement } from 'react';
+import { FC, ReactElement, useState } from 'react';
 import { Link, useLocation } from 'react-router-dom';
 import { cn, For, useSession } from '@imphnen-frontend-service/utils';
 
-const MENUS = [
-  { label: 'Dashboard & Set Gacha', href: '/dashboard', icon: <AppstoreOutlined className="text-[20px]" /> },
-  { label: 'Dashboard - Dimentorin', href: '/dashboard-dimentorin', icon: <AppstoreOutlined className="text-[20px]" /> },
-  { label: 'Gacha Roll', href: '/gacha-roll', icon: <ReloadOutlined className="text-[20px]" /> },
-  { label: 'Permissions', href: '/permissions', icon: <UserSwitchOutlined className="text-[20px]" /> },
-  { label: 'Roles', href: '/roles', icon: <UsergroupAddOutlined className="text-[20px]" /> },
-  { label: 'Data Akun', href: '/accounts', icon: <UserOutlined className="text-[20px]" /> },
-  { label: 'Validasi Transaksi', href: '/transactions', icon: <AuditOutlined className="text-[20px]" /> },
-  { label: 'Data Pengiriman Hadiah', href: '/prizes', icon: <InboxOutlined className="text-[20px]" /> },
-  { label: 'User - Dimentorin', href: '/users-dimentorin', icon: <UserSwitchOutlined className="text-[20px]" /> },
-  { label: 'Session - Dimentorin', href: '/session-dimentorin', icon: <ScheduleOutlined className="text-[20px]" /> },
-  { label: 'Content & Roadmap', href: '/roadmap-dimentorin', icon: <BookOutlined className="text-[20px]" /> },
-  { label: 'Feedback & Review', href: '/feedback-review-dimentorin', icon: <CommentOutlined className="text-[20px]" /> },
-  { label: 'Settings - Dimentorin', href: '/settings-dimentorin', icon: <SettingOutlined className="text-[20px]" /> },
-]
+type MenuItem = {
+  label: string;
+  href?: string;
+  icon?: ReactElement;
+  children?: Array<{ label: string; href: string; icon?: ReactElement }>;
+};
 
-export const BackofficeSidebar: FC = (): ReactElement => {
+const MENUS: MenuItem[] = [
+  {
+    label: 'Hackathon',
+    icon: <StockOutlined className="text-p3" />,
+    children: [
+      {
+        label: 'Dashboard',
+        href: '/hackathon-dashboard',
+        icon: <AppstoreOutlined className="text-p3" />,
+      },
+      {
+        label: 'Users',
+        href: '/hackathon-users',
+        icon: <UserOutlined className="text-p3" />,
+      },
+      {
+        label: 'Teams',
+        href: '/hackathon-teams',
+        icon: <UsergroupAddOutlined className="text-p3" />,
+      },
+      {
+        label: 'Submissions',
+        href: '/hackathon-submissions',
+        icon: <AuditOutlined className="text-p3" />,
+      },
+    ],
+  },
+  {
+    label: 'Dimentorin',
+    icon: <ReadOutlined className="text-p3" />,
+    children: [
+      {
+        label: 'Dashboard - Dimentorin',
+        href: '/dashboard-dimentorin',
+        icon: <AppstoreOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'User - Dimentorin',
+        href: '/users-dimentorin',
+        icon: <UserSwitchOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Session - Dimentorin',
+        href: '/session-dimentorin',
+        icon: <ScheduleOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Content & Roadmap',
+        href: '/roadmap-dimentorin',
+        icon: <BookOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Feedback & Review',
+        href: '/feedback-review-dimentorin',
+        icon: <CommentOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Settings - Dimentorin',
+        href: '/settings-dimentorin',
+        icon: <SettingOutlined className="text-[20px]" />,
+      },
+    ],
+  },
+  {
+    label: 'Gacha',
+    icon: <ReloadOutlined className="text-[20px]" />,
+    children: [
+      {
+        label: 'Dashboard & Set Gacha',
+        href: '/dashboard',
+        icon: <AppstoreOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Gacha Roll',
+        href: '/gacha-roll',
+        icon: <ReloadOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Validasi Transaksi',
+        href: '/transactions',
+        icon: <AuditOutlined className="text-[20px]" />,
+      },
+      {
+        label: 'Data Pengiriman Hadiah',
+        href: '/prizes',
+        icon: <InboxOutlined className="text-[20px]" />,
+      },
+    ],
+  },
+  {
+    label: 'Permissions',
+    href: '/permissions',
+    icon: <UserSwitchOutlined className="text-[20px]" />,
+  },
+  {
+    label: 'Roles',
+    href: '/roles',
+    icon: <UsergroupAddOutlined className="text-[20px]" />,
+  },
+  {
+    label: 'Data Akun',
+    href: '/accounts',
+    icon: <UserOutlined className="text-[20px]" />,
+  },
+];
+
+interface SidebarProps {
+  isOpen?: boolean;
+  onClose?: () => void;
+}
+
+export const BackofficeSidebar: FC<SidebarProps> = ({
+  isOpen = false,
+  onClose,
+}): ReactElement => {
   const { signOut } = useSession();
   const location = useLocation();
+  const [openGroups, setOpenGroups] = useState<Record<string, boolean>>({});
   const isActive = (path: string) => {
-    if (path === '/dashboard' && location.pathname === '/dashboard-dimentorin') return false
-    return location.pathname.includes(path)
+    if (path === '/dashboard' && location.pathname === '/dashboard-dimentorin')
+      return false;
+    return location.pathname.includes(path);
   };
 
-  return (
-    <aside className="sticky top-0 left-0 w-[280px] bg-white h-svh py-[60px] px-[28px] shadow-xl flex flex-col justify-between">
-      <div className="flex flex-col gap-20 justify-between items-center">
-        <img src="/logos/simple.svg" alt="IMPHNEN Logo" className="w-[150px]" />
+  const toggleGroup = (groupLabel: string) => {
+    setOpenGroups((prev) => ({ ...prev, [groupLabel]: !prev[groupLabel] }));
+  };
+
+  const sidebarContent = (
+    <div className="w-[280px] bg-white h-svh py-10 lg:py-[60px] px-7 shadow-xl flex flex-col justify-between">
+      <div className="flex flex-col gap-10 lg:gap-20 justify-between items-center">
+        <div className="flex justify-around lg:justify-center items-center w-full">
+          <img
+            src="/logos/simple.svg"
+            alt="IMPHNEN Logo"
+            className="w-[150px]"
+          />
+          {onClose && (
+            <button
+              onClick={onClose}
+              className="lg:hidden p-2 rounded-lg hover:bg-gray-100 transition-colors cursor-pointer"
+              aria-label="Close sidebar"
+            >
+              <svg
+                className="w-5 h-5 text-gray-500"
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  strokeWidth={2}
+                  d="M6 18L18 6M6 6l12 12"
+                />
+              </svg>
+            </button>
+          )}
+        </div>
 
         <nav className="flex flex-col gap-4 w-full h-[calc(100svh-20rem)] overflow-y-auto">
           <For data={MENUS}>
-            {({ label, href, icon }) => (
-              <Link
-                key={href}
-                to={href}
-                className={cn(
-                  "flex items-center justify-items-start gap-3 px-[8px] py-[10px]",
-                  isActive(href) ? "bg-primary-500 text-white rounded-md" : "text-gray-700 hover:bg-gray-100"
-                )}
-              >
-                {icon}
-                <span className="text-p3 font-medium">{label}</span>
-              </Link>
-            )}
+            {(menu) =>
+              menu.children && menu.children.length > 0 ? (
+                <div key={menu.label} className="w-full">
+                  <button
+                    type="button"
+                    onClick={() => toggleGroup(menu.label)}
+                    className={cn(
+                      'flex items-center justify-between w-full gap-3 px-2 py-2.5 rounded-md cursor-pointer',
+                      openGroups[menu.label]
+                        ? 'bg-primary-400 hover:bg-primary-500 text-white'
+                        : 'text-gray-700 hover:bg-gray-100'
+                    )}
+                  >
+                    <div className="flex items-center gap-3">
+                      {menu.icon}
+                      <span className="text-p3 font-medium">{menu.label}</span>
+                    </div>
+                    <span className="text-label2">
+                      {openGroups[menu.label] ? (
+                        <DownOutlined className="text-label1" />
+                      ) : (
+                        <RightOutlined className="text-label1" />
+                      )}
+                    </span>
+                  </button>
+
+                  {openGroups[menu.label] && (
+                    <div className="mt-2 ml-6 flex flex-col gap-2">
+                      {menu.children.map((child) => (
+                        <Link
+                          key={child.href}
+                          to={child.href}
+                          className={cn(
+                            'flex items-center gap-3 px-2 py-2.5 rounded-md',
+                            isActive(child.href)
+                              ? 'bg-primary-100 text-primary-700 hover:bg-primary-200'
+                              : 'text-gray-700 hover:bg-gray-100'
+                          )}
+                        >
+                          {child.icon}
+                          <span className="text-label1 font-medium">
+                            {child.label}
+                          </span>
+                        </Link>
+                      ))}
+                    </div>
+                  )}
+                </div>
+              ) : (
+                <Link
+                  key={menu.href ?? menu.label}
+                  to={menu.href ?? '#'}
+                  className={cn(
+                    'flex items-center justify-items-start gap-3 px-2 py-2.5',
+                    menu.href && isActive(menu.href)
+                      ? 'bg-primary-500 text-white rounded-md'
+                      : 'text-gray-700 hover:bg-gray-100'
+                  )}
+                >
+                  {menu.icon}
+                  <span className="text-p3 font-medium">{menu.label}</span>
+                </Link>
+              )
+            }
           </For>
         </nav>
       </div>
@@ -70,12 +263,36 @@ export const BackofficeSidebar: FC = (): ReactElement => {
         <Button
           onClick={signOut}
           variant="text"
-          className="items-start justify-start gap-3 px-[8px] py-[10px] text-gray-700 hover:text-red-500 transition-colors w-full"
+          className="items-start justify-start gap-3 px-2 py-2.5 text-gray-700 hover:text-red-500 transition-colors w-full"
         >
-          <LogoutOutlined className="text-[20px]" />
+          <LogoutOutlined className="text-p3" />
           <span className="text-p3 font-medium">Log Out</span>
         </Button>
       </div>
-    </aside>
+    </div>
+  );
+
+  return (
+    <>
+      {/* Desktop Sidebar - visible on lg+, sticky */}
+      <div className="hidden lg:block sticky top-0 h-screen overflow-y-auto shadow">
+        {sidebarContent}
+      </div>
+
+      {/* Mobile Sidebar - overlay */}
+      {isOpen && (
+        <div className="lg:hidden fixed inset-0 z-50">
+          {/* Backdrop */}
+          <div
+            className="fixed inset-0 bg-black/50 transition-opacity"
+            onClick={onClose}
+          />
+          {/* Sidebar */}
+          <div className="fixed inset-y-0 left-0 z-50 transform transition-transform duration-300 ease-in-out">
+            {sidebarContent}
+          </div>
+        </div>
+      )}
+    </>
   );
 };

libs/ui/src/organisms/backoffice-wrapper/backoffice-wrapper.tsx

@@ -1,15 +1,16 @@
-import { cn } from "@imphnen-frontend-service/utils"
-import { Icon } from '@iconify/react'
-import { FC, ReactElement, ReactNode } from "react"
-import { Button } from "../../atoms"
+import { cn } from '@imphnen-frontend-service/utils';
+import { Icon } from '@iconify/react';
+import { FC, ReactElement, ReactNode } from 'react';
+import { Button } from '../../atoms';
+import { useAuthStore } from '@imphnen-frontend-service/service';
 
 export type TBackofficeWrapperProps = {
-  children: ReactNode
-  title?: string
-  className?: string
-  classHeader?: string
-  classTitle?: string
-}
+  children: ReactNode;
+  title?: string;
+  className?: string;
+  classHeader?: string;
+  classTitle?: string;
+};
 
 export const BackofficeWrapper: FC<TBackofficeWrapperProps> = ({
   children,
@@ -18,34 +19,52 @@ export const BackofficeWrapper: FC<TBackofficeWrapperProps> = ({
   classHeader,
   classTitle,
 }): ReactElement => {
+  const { session } = useAuthStore();
+  const user = session?.user;
+
   return (
-    <main className={cn("w-full px-[48px] py-[40px] flex flex-col gap-8", className)}>
-      <header className={cn("bg-white py-5 px-7 rounded-md shadow flex items-center justify-between", classHeader)}>
-        <h1 className={cn("text-[19px] text-primary-500 font-semibold", classTitle)}>{title}</h1>
+    <main
+      className={cn(
+        'w-full px-[48px] py-[40px] flex flex-col gap-8',
+        className
+      )}
+    >
+      <header
+        className={cn(
+          'bg-white py-5 px-7 rounded-md shadow flex items-center justify-between',
+          classHeader
+        )}
+      >
+        <h1
+          className={cn(
+            'text-[19px] text-primary-500 font-semibold',
+            classTitle
+          )}
+        >
+          {title}
+        </h1>
 
         <div className="flex items-center gap-x-6">
-          <Button
-            type="button"
-            variant="secondary"
-            className="max-h-full p-3"
-          >
+          {/* <Button type="button" variant="secondary" className="max-h-full p-3">
             <Icon icon="mdi:bell-outline" className="size-6" />
-          </Button>
+          </Button> */}
           <div className="flex items-center gap-x-6">
             <div className="text-neutral-600 font-medium">
-              <p className="text-p3">Rizal Syaepulloh</p>
-              <p className="text-label1">Super Admin</p>
+              <p className="text-p3">{user?.fullname || 'Full Name'}</p>
+              <p className="text-label1">Admin</p>
             </div>
             <div className="size-12 rounded-full overflow-hidden">
-              <img src="/images/asd687hwq6nds4dfjj2983.webp" alt="Profile" className="size-full object-cover" />
+              <img
+                src={user?.avatar || '/images/asd687hwq6nds4dfjj2983.webp'}
+                alt="Profile"
+                className="size-full object-cover"
+              />
             </div>
           </div>
         </div>
       </header>
 
-      <section>
-        {children}
-      </section>
+      <section>{children}</section>
     </main>
-  )
-}
+  );
+};

libs/ui/src/organisms/datatable/datatable.tsx

@@ -1,57 +1,113 @@
 import {
   PaginationState,
+  SortingState,
   useReactTable,
   getCoreRowModel,
   getPaginationRowModel,
+  getSortedRowModel,
+  getFilteredRowModel,
   flexRender,
   ColumnDef,
   Table,
   RowData,
+  TableOptions,
 } from '@tanstack/react-table';
 import { Pagination } from '../../molecules';
 
 import React from 'react';
 import { cn } from '@imphnen-frontend-service/utils';
 
-interface DataTableProps<T> {
-  data: T[];
-  columns: ColumnDef<T>[];
-  table: Table<T>;
+interface DataTableProps<T extends RowData> {
+  table?: Table<T>;
+  data?: T[];
+  columns?: ColumnDef<T, unknown>[];
   pageSize?: number;
+  className?: string;
 }
 
 export const DataTable = <T extends RowData>({
-  data,
-  columns,
+  table,
+  data = [],
+  columns = [],
   pageSize = 9,
+  className,
 }: DataTableProps<T>) => {
   const [pagination, setPagination] = React.useState<PaginationState>({
     pageIndex: 0,
     pageSize,
   });
+  const [sorting, setSorting] = React.useState<SortingState>([]);
 
-  const table = useReactTable({
-    data,
-    columns,
-    state: {
-      pagination,
-    },
-    getCoreRowModel: getCoreRowModel(),
-    getPaginationRowModel: getPaginationRowModel(),
-    onPaginationChange: setPagination,
-  });
+  // Update pagination state when pageSize prop changes
+  React.useEffect(() => {
+    setPagination((prev) => ({
+      ...prev,
+      pageSize,
+    }));
+  }, [pageSize]);
+
+  // Reset pagination when data changes to prevent out-of-bounds errors
+  React.useEffect(() => {
+    if (data.length > 0) {
+      setPagination((prev) => ({
+        ...prev,
+        pageIndex: 0, // Reset to first page when data changes
+      }));
+    }
+  }, [data.length]);
+
+  // Memoize data and columns to prevent unnecessary re-renders
+  const memoizedData = React.useMemo(() => data, [data]);
+  const memoizedColumns = React.useMemo(() => columns, [columns]);
+
+  // Memoize table configuration to prevent recreation on every render
+  const tableConfig = React.useMemo(() => {
+    const config: TableOptions<T> = {
+      data: memoizedData,
+      columns: memoizedColumns,
+      state: {
+        pagination,
+        sorting,
+      },
+      onPaginationChange: setPagination,
+      onSortingChange: setSorting,
+      getCoreRowModel: getCoreRowModel(),
+      getPaginationRowModel: getPaginationRowModel(),
+      getSortedRowModel: getSortedRowModel(),
+      getFilteredRowModel: getFilteredRowModel(),
+    };
+
+    return config;
+  }, [memoizedData, memoizedColumns, pagination, sorting]);
+
+  // Prefer external table instance if provided; otherwise create an internal one
+  const internalTable = useReactTable(tableConfig);
+  const t = table ?? internalTable;
+
+  // Handle empty data state
+  const isEmpty = t.getRowModel().rows.length === 0;
 
   return (
-    <div className="flex flex-col gap-8">
+    <div className={cn('flex flex-col gap-8', className)}>
       <div className="w-full overflow-x-auto">
         <table className="w-full min-w-full text-base">
           <thead className="bg-primary-50 mb-3 text-left text-nowrap">
-            {table.getHeaderGroups().map((headerGroup) => (
+            {t.getHeaderGroups().map((headerGroup) => (
               <tr key={headerGroup.id}>
                 {headerGroup.headers.map((header) => (
                   <th
                     key={header.id}
-                    className={cn("py-4 px-5 font-normal first:rounded-l-lg last:rounded-r-lg", header?.column?.columnDef?.meta?.headerClassName)}
+                    onClick={
+                      header.column.getCanSort()
+                        ? header.column.getToggleSortingHandler()
+                        : undefined
+                    }
+                    className={cn(
+                      'py-4 px-5 font-normal first:rounded-l-lg last:rounded-r-lg',
+                      header.column.getCanSort() &&
+                        'cursor-pointer select-none hover:bg-primary-100 transition-colors',
+                      header?.column?.columnDef?.meta?.headerClassName
+                    )}
                   >
                     {header.isPlaceholder
                       ? null
@@ -59,28 +115,58 @@ export const DataTable = <T extends RowData>({
                           header.column.columnDef.header,
                           header.getContext()
                         )}
+                    {header.column.getCanSort() && (
+                      <span className="ml-2 text-xs text-gray-500">
+                        {header.column.getIsSorted() === 'asc' && '▲'}
+                        {header.column.getIsSorted() === 'desc' && '▼'}
+                        {!header.column.getIsSorted() && <span>⇅</span>}
+                      </span>
+                    )}
                   </th>
                 ))}
               </tr>
             ))}
           </thead>
           <tbody>
-            {table.getRowModel().rows.map((row) => (
-              <tr key={row.id} className="bg-primary-100 odd:bg-white">
-                {row.getVisibleCells().map((cell, index) => (
-                  <td
-                    key={cell.id}
-                    className={cn("py-3 px-5 first:rounded-l-lg last:rounded-r-lg", cell?.column?.columnDef?.meta?.cellClassName)}
-                  >
-                    {flexRender(cell.column.columnDef.cell, cell.getContext())}
-                  </td>
-                ))}
+            {isEmpty ? (
+              <tr>
+                <td
+                  colSpan={t.getAllColumns().length}
+                  className="py-8 px-5 text-center text-neutral-500"
+                >
+                  No data available
+                </td>
               </tr>
-            ))}
+            ) : (
+              t.getRowModel().rows.map((row, rowIndex) => (
+                <tr
+                  key={row.id}
+                  className={cn(
+                    'hover:bg-primary-50 transition-colors',
+                    rowIndex % 2 === 0 ? 'bg-white' : 'bg-primary-100'
+                  )}
+                >
+                  {row.getVisibleCells().map((cell) => (
+                    <td
+                      key={cell.id}
+                      className={cn(
+                        'py-3 px-5 first:rounded-l-lg last:rounded-r-lg',
+                        cell?.column?.columnDef?.meta?.cellClassName
+                      )}
+                    >
+                      {flexRender(
+                        cell.column.columnDef.cell,
+                        cell.getContext()
+                      )}
+                    </td>
+                  ))}
+                </tr>
+              ))
+            )}
           </tbody>
         </table>
       </div>
-      <Pagination table={table} />
+      <Pagination table={t} />
     </div>
   );
 };

libs/utils/src/hooks/use-session.ts

@@ -1,4 +1,4 @@
-import { supabase, useAuthStore } from '@imphnen-frontend-service/service';
+import { useAuthStore } from '@imphnen-frontend-service/service';
 import { useNavigate } from 'react-router';
 
 export const useSession = () => {
@@ -6,9 +6,9 @@ export const useSession = () => {
   const { clearSession, session, status } = useAuthStore();
   const isAuthenticated = status === 'authenticated';
 
-  const signOut = async () => {
-    await supabase.auth.signOut();
+  const signOut = () => {
     clearSession();
+    localStorage.clear();
     navigate('/auth/login');
   };
 

libs/utils/src/index.ts

@@ -7,3 +7,5 @@ export * from './cookies';
 export * from './session';
 export * from './constants';
 export * from './logic';
+export * from './lib/crypto';
+export * from './lib/certificate';

libs/utils/src/lib/certificate.ts

@@ -0,0 +1,18 @@
+import { generateCertificateHash } from './crypto';
+
+/**
+ * Generate a certificate URL for a user and team
+ * @param userId - User ID
+ * @param teamId - Team ID
+ * @param baseUrl - Base URL (optional, defaults to current origin)
+ * @returns Certificate URL
+ */
+export const generateCertificateUrl = (
+  userId: string,
+  teamId: string,
+  baseUrl?: string
+): string => {
+  const certId = generateCertificateHash(userId, teamId);
+  const base = baseUrl || (typeof window !== 'undefined' ? window.location.origin : '');
+  return `${base}/certificate/${certId}`;
+};

libs/utils/src/lib/crypto.ts

@@ -0,0 +1,31 @@
+import CryptoJS from 'crypto-js';
+
+/**
+ * Generate certificate hash using HMAC-SHA256
+ * @param userId - User ID
+ * @param teamId - Team ID
+ * @returns Hash string
+ */
+export const generateCertificateHash = (userId: string, teamId: string): string => {
+  const key = 'imphnenxkolosal';
+  const message = userId + teamId;
+
+  // Repeat key to match required length (32 bytes for SHA256)
+  const repeatedKey = key.repeat(Math.ceil(32 / key.length)).substring(0, 32);
+
+  // Create HMAC-SHA256 hash
+  const hash = CryptoJS.HmacSHA256(message, repeatedKey);
+  return hash.toString(CryptoJS.enc.Hex);
+};
+
+/**
+ * Verify if a certificate hash is valid for a given user and team
+ * @param certId - Certificate ID to verify
+ * @param userId - User ID
+ * @param teamId - Team ID
+ * @returns True if the certificate is valid
+ */
+export const verifyCertificateHash = (certId: string, userId: string, teamId: string): boolean => {
+  const generatedHash = generateCertificateHash(userId, teamId);
+  return generatedHash === certId;
+};

package-lock.json

@@ -78,7 +78,7 @@
         "@vitejs/plugin-react": "^4.2.0",
         "@vitest/coverage-v8": "^3.0.5",
         "@vitest/ui": "^3.0.0",
-        "ajv": "^6.12.6",
+        "ajv": "^8.13.0",
         "eslint": "^9.8.0",
         "eslint-config-next": "^15.2.4",
         "eslint-config-prettier": "10.0.0",
@@ -216,6 +216,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -2688,6 +2689,28 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/@eslint/eslintrc/node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "license": "MIT",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/@eslint/eslintrc/node_modules/json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "license": "MIT"
+    },
     "node_modules/@eslint/js": {
       "version": "9.39.1",
       "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.39.1.tgz",
@@ -4119,6 +4142,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@module-federation/runtime": "0.21.6",
         "@module-federation/webpack-bundler-runtime": "0.21.6"
@@ -5251,23 +5275,6 @@
         "vitest": "^1.3.1 || ^2.0.0 || ^3.0.0 || ^4.0.0"
       }
     },
-    "node_modules/@nx/vite/node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
-      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
     "node_modules/@nx/vite/node_modules/semver": {
       "version": "7.7.3",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.3.tgz",
@@ -5380,23 +5387,6 @@
         "webpack-subresource-integrity": "^5.1.0"
       }
     },
-    "node_modules/@nx/webpack/node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
-      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
     "node_modules/@nx/workspace": {
       "version": "22.1.1",
       "resolved": "https://registry.npmjs.org/@nx/workspace/-/workspace-22.1.1.tgz",
@@ -5789,6 +5779,7 @@
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       "devOptional": true,
       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
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@@ -7130,6 +7121,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@module-federation/runtime-tools": "0.21.4",
         "@rspack/binding": "1.6.4",
@@ -7258,6 +7250,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -7739,6 +7732,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/core": "^7.21.3",
         "@svgr/babel-preset": "8.1.0",
@@ -8005,6 +7999,7 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
         "@swc/counter": "^0.1.3",
         "@swc/types": "^0.1.8"
@@ -8220,6 +8215,7 @@
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
         "tslib": "^2.8.0"
       }
@@ -8230,6 +8226,7 @@
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
         "@swc/counter": "^0.1.3"
       }
@@ -8543,6 +8540,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@tanstack/query-core": "5.90.10"
       },
@@ -8621,6 +8619,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.10.4",
         "@babel/runtime": "^7.12.5",
@@ -8809,6 +8808,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -9136,6 +9136,7 @@
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       "license": "MIT",
+      "peer": true,
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       }
@@ -9183,6 +9184,7 @@
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       "devOptional": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
       }
@@ -9193,6 +9195,7 @@
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       "devOptional": true,
       "license": "MIT",
+      "peer": true,
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       }
@@ -9359,6 +9362,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.48.0",
         "@typescript-eslint/types": "8.48.0",
@@ -9943,23 +9947,6 @@
         "url": "https://opencollective.com/verdaccio"
       }
     },
-    "node_modules/@verdaccio/core/node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
-      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
     "node_modules/@verdaccio/core/node_modules/brace-expansion": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
@@ -10102,23 +10089,6 @@
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       }
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-    "node_modules/@verdaccio/local-storage-legacy/node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
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-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
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+      "peer": true,
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@@ -11133,6 +11104,7 @@
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       "dev": true,
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@@ -11180,6 +11152,7 @@
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       "license": "MIT",
+      "peer": true,
       "bin": {
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@@ -11256,15 +11229,17 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
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+      "version": "8.17.1",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
+      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
+      "dev": true,
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+      "peer": true,
       "dependencies": {
-        "fast-deep-equal": "^3.1.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.2"
+        "fast-deep-equal": "^3.1.3",
+        "fast-uri": "^3.0.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2"
       },
       "funding": {
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@@ -11289,39 +11264,6 @@
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-      "license": "MIT",
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-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
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-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
-    "node_modules/ajv-keywords": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
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-      "dev": true,
-      "license": "MIT",
-      "peerDependencies": {
-        "ajv": "^6.9.1"
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-    },
-    "node_modules/ajv/node_modules/json-schema-traverse": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
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@@ -12446,6 +12388,7 @@
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+      "peer": true,
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       "devOptional": true,
       "license": "MIT",
+      "peer": true,
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@@ -14962,6 +14906,7 @@
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       "license": "MIT",
+      "peer": true,
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@@ -15112,6 +15057,7 @@
       "deprecated": "wrong version missing main field",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "eslint-config-prettier": "build/bin/cli.js"
       },
@@ -15210,6 +15156,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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         "array-includes": "^3.1.8",
@@ -15473,6 +15420,22 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint/node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "license": "MIT",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/eslint/node_modules/eslint-visitor-keys": {
       "version": "4.2.1",
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@@ -15485,6 +15448,12 @@
         "url": "https://opencollective.com/eslint"
       }
     },
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package.json

@@ -46,6 +46,7 @@
     "axios": "^1.8.3",
     "class-variance-authority": "^0.7.1",
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