feat(gmw): public features #7-14 — scam domains, top channels, hourly heatmap, category drill-down, coverage stats, channel culture glossary, term KB, edit history

ALSO fixes: dashboard.repository still JOINed dropped user_reputations table (listUsers/getUserDetail crash).

services/frontend/src/hooks/use-messages.ts

@@ -5,6 +5,7 @@ import { messagesApi, voiceApi } from "@/lib/api";
 import type {
   AttachmentRecord,
   Channel,
+  EditHistoryRow,
   MessageActivityBucket,
   MessageRecord,
   SemanticSearchResult,
@@ -381,3 +382,15 @@ export function useMessageActivity(days = 30) {
     messagesApi.getActivity(days),
   );
 }
+
+export function useRecentEdits(
+  limit = 50,
+  channelId?: string,
+  initialData?: EditHistoryRow[],
+) {
+  return useSWR<EditHistoryRow[]>(
+    ["recent-edits", limit, channelId ?? null],
+    () => messagesApi.getRecentEdits(limit, channelId),
+    { fallbackData: initialData },
+  );
+}