refactor(messages): remove text channel filter and channel-section grouping

services/frontend/src/App.tsx

@@ -11,9 +11,7 @@ import {
 } from "./features/messages/hooks/useMessages";
 import {
   type ActiveSpeaker,
-  type Channel,
   getAppConfig,
-  getTextChannels,
   type MediaState,
   type MessageRecord,
 } from "./shared/api/client";
@@ -62,8 +60,6 @@ export default function App() {
     !!localStorage.getItem("admin-password"),
   );
   const [monitorGuildId, setMonitorGuildId] = useState("");
-  const [textChannels, setTextChannels] = useState<Channel[]>([]);
-  const [selectedMessageChannel, setSelectedMessageChannel] = useState<string>("");
 
   const audio = useAudioPlayback();
   const activeTab = uiState.activeTab || "live";
@@ -117,7 +113,7 @@ export default function App() {
     },
     onAttachmentUploaded: () =>
       messages
-        .fetchMessages(monitorGuildId || undefined, selectedMessageChannel || undefined)
+        .fetchMessages(monitorGuildId || undefined)
         .catch(() => undefined),
     onMediaState: (state) => media.setMediaState(state as MediaState),
     onVoiceRecordingUploaded: (d) =>
@@ -145,38 +141,22 @@ export default function App() {
       voice.loadVoiceChannels(selectedVoiceGuild).catch(() => undefined);
   }, [selectedVoiceGuild, voice.loadVoiceChannels]);
 
-  // Load text channels when monitor guild changes (Messages tab)
-  useEffect(() => {
-    if (monitorGuildId)
-      getTextChannels(monitorGuildId)
-        .then(setTextChannels)
-        .catch(() => undefined);
-  }, [monitorGuildId]);
-
   // Auto-fetch messages for the monitor guild
   useEffect(() => {
     if (monitorGuildId)
       messages
-        .fetchMessages(monitorGuildId, selectedMessageChannel || undefined)
+        .fetchMessages(monitorGuildId)
         .catch(() => undefined);
   }, [monitorGuildId, messages.fetchMessages]);
 
-  // Re-fetch when channel filter changes
-  useEffect(() => {
-    if (monitorGuildId)
-      messages
-        .fetchMessages(monitorGuildId, selectedMessageChannel || undefined)
-        .catch(() => undefined);
-  }, [selectedMessageChannel, monitorGuildId, messages.fetchMessages]);
-
   // Periodic refetch — keeps dashboard in sync even if WS events missed
   useEffect(() => {
     if (!monitorGuildId) return;
     const interval = setInterval(() => {
-      messages.fetchMessages(monitorGuildId, selectedMessageChannel || undefined).catch(() => undefined);
+      messages.fetchMessages(monitorGuildId).catch(() => undefined);
     }, 15_000);
     return () => clearInterval(interval);
-  }, [monitorGuildId, messages.fetchMessages, selectedMessageChannel]);
+  }, [monitorGuildId, messages.fetchMessages]);
 
   return (
     <DashboardLayout
@@ -234,9 +214,6 @@ export default function App() {
           onLoadMore={messages.loadMore}
           hasMore={messages.hasMore}
           loadingMore={messages.loadingMore}
-          textChannels={textChannels}
-          selectedChannel={selectedMessageChannel}
-          onChannelChange={setSelectedMessageChannel}
         />
       ) : (
         <AnalyticsErrorBoundary>

services/frontend/src/features/messages/components/MessageFeed.tsx

@@ -1,7 +1,5 @@
 import { motion } from "framer-motion";
-import { Hash } from "lucide-react";
 import { useEffect, useMemo, useRef } from "react";
-import { parseMetadata } from "../../../entities/message/types";
 import type { MessageRecord } from "../../../shared/api/client";
 import { cardItem, cardStagger } from "../../../shared/hooks/useFramerStagger";
 import { ScrollArea, EmptyStateMascot } from "../../../shared/ui";
@@ -20,12 +18,12 @@ export interface MessageFeedProps {
 /** Messages from the same user within 5 minutes are visually grouped. */
 const GROUP_WINDOW_MS = 5 * 60 * 1000;
 
-interface UserMessageGroup {
+interface MessageGroup {
   messages: MessageRecord[];
 }
 
-function groupByUser(messages: MessageRecord[]): UserMessageGroup[] {
-  const groups: UserMessageGroup[] = [];
+function groupMessages(messages: MessageRecord[]): MessageGroup[] {
+  const groups: MessageGroup[] = [];
   for (const msg of messages) {
     const lastGroup = groups[groups.length - 1];
     if (
@@ -43,57 +41,6 @@ function groupByUser(messages: MessageRecord[]): UserMessageGroup[] {
   return groups;
 }
 
-interface ChannelSection {
-  key: string;
-  channelId: string;
-  threadId: string | null;
-  label: string;
-  groups: UserMessageGroup[];
-}
-
-function computeChannelSections(messages: MessageRecord[]): ChannelSection[] {
-  if (messages.length === 0) return [];
-
-  // Group by (channel_id, thread_id)
-  const map = new Map<string, MessageRecord[]>();
-  for (const msg of messages) {
-    const key = msg.thread_id
-      ? `${msg.channel_id}:t:${msg.thread_id}`
-      : msg.channel_id;
-    const list = map.get(key);
-    if (list) list.push(msg);
-    else map.set(key, [msg]);
-  }
-
-  const sections: ChannelSection[] = [];
-  for (const [key, channelMessages] of map) {
-    const first = channelMessages[0];
-    const meta = parseMetadata(first.metadata);
-    const ch = meta?.channel;
-
-    let label: string;
-    if (ch?.threadName && ch?.channelName) {
-      label = `# ${ch.channelName} › ${ch.threadName}`;
-    } else if (ch?.channelName) {
-      label = `# ${ch.channelName}`;
-    } else if (first.thread_id) {
-      label = `thread:${first.thread_id.slice(0, 8)}`;
-    } else {
-      label = `# ${first.channel_id.slice(0, 8)}`;
-    }
-
-    sections.push({
-      key,
-      channelId: first.channel_id,
-      threadId: first.thread_id,
-      label,
-      groups: groupByUser(channelMessages),
-    });
-  }
-
-  return sections;
-}
-
 export function MessageFeed({
   messages,
   onReanalyze,
@@ -121,7 +68,7 @@ export function MessageFeed({
     return () => observer.disconnect();
   }, [onLoadMore, hasMore]);
 
-  const sections = useMemo(() => computeChannelSections(messages), [messages]);
+  const groupedMessages = useMemo(() => groupMessages(messages), [messages]);
 
   if (loading) {
     return (
@@ -147,27 +94,13 @@ export function MessageFeed({
         initial="initial"
         animate="animate"
       >
-        {sections.map((section) => (
-          <div key={section.key} className="space-y-2">
-            {/* Channel/Thread section header */}
-            <div className="sticky top-0 z-10 -mx-1 rounded-lg bg-muted/80 backdrop-blur-sm px-3 py-1.5 flex items-center gap-1.5">
-              <Hash className="h-3.5 w-3.5 text-primary/60" />
-              <span className="text-xs font-medium text-muted-foreground">
-                {section.label}
-              </span>
-            </div>
-
-            <div className="space-y-3">
-              {section.groups.map((group) => (
-                <motion.div key={group.messages[0].id} variants={cardItem}>
-                  <MessageCard
-                    messages={group.messages}
-                    onReanalyze={onReanalyze}
-                  />
-                </motion.div>
-              ))}
-            </div>
-          </div>
+        {groupedMessages.map((group) => (
+          <motion.div key={group.messages[0].id} variants={cardItem}>
+            <MessageCard
+              messages={group.messages}
+              onReanalyze={onReanalyze}
+            />
+          </motion.div>
         ))}
 
         {/* Infinite-scroll sentinel */}

services/frontend/src/features/messages/hooks/useMessages.ts

@@ -29,9 +29,8 @@ export function useMessages() {
   const [cursor, setCursor] = useState<string | null>(null);
   const [hasMore, setHasMore] = useState(false);
   const currentGuild = useRef<string | null>(null);
-  const currentChannel = useRef<string | undefined>(undefined);
 
-  const fetchMessages = useCallback(async (guildId?: string, channelId?: string) => {
+  const fetchMessages = useCallback(async (guildId?: string) => {
     if (!guildId) {
       setMessages([]);
       setCursor(null);
@@ -39,13 +38,11 @@ export function useMessages() {
       return [];
     }
     currentGuild.current = guildId;
-    currentChannel.current = channelId;
     setLoading(true);
     setError(null);
     try {
       const result = await listMessages({
         guildId,
-        channelId,
         limit: PAGE_SIZE,
       });
       if (currentGuild.current === guildId) {
@@ -69,7 +66,6 @@ export function useMessages() {
     try {
       const result = await listMessages({
         guildId: currentGuild.current,
-        channelId: currentChannel.current,
         cursor,
         limit: PAGE_SIZE,
       });
@@ -113,7 +109,6 @@ export function useMessages() {
     );
     const { count } = await reanalyzeErrorBatch({
       guildId: currentGuild.current ?? undefined,
-      channelId: currentChannel.current,
     });
     return count;
   }, []);

services/frontend/src/features/messages/index.tsx

@@ -1,7 +1,7 @@
 import { motion } from "framer-motion";
-import { Filter, Hash, RotateCw, Search, X } from "lucide-react";
+import { Filter, RotateCw, Search, X } from "lucide-react";
 import { useMemo, useState } from "react";
-import type { Channel, MessageRecord } from "../../shared/api/client";
+import type { MessageRecord } from "../../shared/api/client";
 import { cardItem, cardStagger } from "../../shared/hooks/useFramerStagger";
 import {
   Badge,
@@ -11,7 +11,6 @@ import {
   CardHeader,
   CardTitle,
   Input,
-  Select,
   Tabs,
   TabsContent,
   TabsList,
@@ -28,9 +27,6 @@ interface MessagesPanelProps {
   onLoadMore?: () => void;
   hasMore?: boolean;
   loadingMore?: boolean;
-  textChannels?: Channel[];
-  selectedChannel?: string;
-  onChannelChange?: (channelId: string) => void;
 }
 
 type AiFilter = "all" | "clean" | "flagged" | "error" | "pending";
@@ -43,9 +39,6 @@ export function MessagesPanel({
   onLoadMore,
   hasMore,
   loadingMore,
-  textChannels,
-  selectedChannel,
-  onChannelChange,
 }: MessagesPanelProps) {
   const [searchQuery, setSearchQuery] = useState("");
   const [searchResults, setSearchResults] = useState<MessageRecord[]>([]);
@@ -125,23 +118,6 @@ export function MessagesPanel({
               Messages are automatically captured from all text channels in the
               monitored guild. Real-time updates arrive via WebSocket.
             </p>
-            {textChannels && textChannels.length > 0 && (
-              <div className="mt-3 flex items-center gap-2">
-                <Hash className="h-4 w-4 text-muted-foreground shrink-0" />
-                <Select
-                  value={selectedChannel || ""}
-                  onChange={(e) => onChannelChange?.(e.target.value === "__all" ? "" : e.target.value)}
-                  placeholder="All channels"
-                  options={[
-                    { value: "__all", label: "All channels" },
-                    ...textChannels.map((ch) => ({
-                      value: ch.id,
-                      label: `# ${ch.name}`,
-                    })),
-                  ]}
-                />
-              </div>
-            )}
           </CardContent>
         </Card>
       </motion.div>