chore: upgrade dependencies, restructure shared libs, and fix UI

- Upgrade Nx 22.1.1 → 22.6.3 and all patch/minor dependencies
- Restructure shared libs: move business logic from utils to service
- Consolidate shadcn-ui into ui lib with atomic design pattern
- Fix container centering for landing app (Tailwind v4 compatibility)
- Fix button styling by updating @source directive in globals.css
- Fix SiCss3 → SiCss rename in react-icons 5.6
- Fix duplicate useSession export conflict
- Remove dead code, comments, and unused files

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

libs/utils/src/hooks/index.ts

@@ -1,6 +1,2 @@
 export * from './use-query-state';
 export * from './use-modal-login';
-export * from './use-session';
-export * from './use-register';
-export * from './use-otp';
-export * from './use-send-otp';

libs/utils/src/hooks/use-auth-store.ts

@@ -1,47 +0,0 @@
-import { create } from 'zustand';
-import { TLoginItem } from '@imphnen-frontend-service/service';
-import { SessionToken } from '../cookies';
-import { SessionUser } from '../local-storage';
-
-export enum ESessionStatus {
-  Authenticated = 'authenticated',
-  Authenticating = 'authenticating',
-  Unauthenticated = 'unauthenticated',
-}
-
-type SessionState = {
-  isLoading: boolean;
-  session?: TLoginItem;
-  status?: ESessionStatus;
-  setLoading: (val: boolean) => void;
-  setSession: (payload: TLoginItem) => void;
-  clearSession: () => void;
-};
-
-export const useAuthStore = create<SessionState>((set) => {
-  const session = SessionToken.get();
-  const user = SessionUser.get();
-  const isAuthenticated = !!session;
-
-  return {
-    isLoading: false,
-    session: isAuthenticated ? { token: session.token, user } : undefined,
-    status: isAuthenticated
-      ? ESessionStatus.Authenticated
-      : ESessionStatus.Unauthenticated,
-    setLoading: (val) => set({ isLoading: val }),
-    setSession: (data) => {
-      SessionToken.set({ token: data.token });
-      SessionUser.set(data.user);
-      set({
-        session: data,
-        status: ESessionStatus.Authenticated,
-      });
-    },
-    clearSession: () => {
-      SessionToken.remove();
-      SessionUser.remove();
-      set({ session: undefined, status: ESessionStatus.Unauthenticated });
-    },
-  };
-});

libs/utils/src/hooks/use-modal-login.tsx

@@ -1,3 +1,5 @@
+'use client';
+
 import { createContext, ReactNode, useContext, useState } from 'react';
 
 interface ModalLoginContextType {

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

@@ -1,10 +0,0 @@
-// OTP verification is not used with GitHub OAuth authentication
-// This hook is kept for backward compatibility but is not used
-export const useOtp = () => {
-  return {
-    otp: () => {
-      console.warn('OTP verification is not used with GitHub OAuth authentication');
-    },
-    isLoading: false,
-  };
-};

libs/utils/src/hooks/use-query-state.ts

@@ -1,3 +1,5 @@
+'use client';
+
 import { useCallback, useEffect, useState } from 'react';
 
 interface UseQueryStateOptions {

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

@@ -1,10 +0,0 @@
-// Registration is handled through GitHub OAuth
-// This hook is kept for backward compatibility but is not used
-export const useRegister = () => {
-  return {
-    register: () => {
-      console.warn('Registration is handled through GitHub OAuth');
-    },
-    isLoading: false,
-  };
-};

libs/utils/src/hooks/use-send-otp.ts

@@ -1,10 +0,0 @@
-// OTP is not used with GitHub OAuth authentication
-// This hook is kept for backward compatibility but is not used
-export const useSendOTP = () => {
-  return {
-    resendOTP: () => {
-      console.warn('OTP is not used with GitHub OAuth authentication');
-    },
-    isLoading: false,
-  };
-};

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

@@ -1,20 +0,0 @@
-import { useAuthStore } from '@imphnen-frontend-service/service';
-import { useNavigate } from 'react-router';
-
-export const useSession = () => {
-  const navigate = useNavigate();
-  const { clearSession, session, status } = useAuthStore();
-  const isAuthenticated = status === 'authenticated';
-
-  const signOut = () => {
-    clearSession();
-    localStorage.clear();
-    navigate('/auth/login');
-  };
-
-  return {
-    session,
-    signOut,
-    isAuthenticated,
-  };
-};