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-knowledge.ts

@@ -0,0 +1,22 @@
+import useSWR from "swr";
+import { knowledgeApi } from "@/lib/api";
+import type { ChannelCultureRow, GlossaryRow } from "@/lib/types";
+
+export function useChannelCultures(
+  limit = 100,
+  initialData?: ChannelCultureRow[],
+) {
+  return useSWR<ChannelCultureRow[]>(
+    ["channel-cultures", limit],
+    () => knowledgeApi.channelCultures(limit),
+    { fallbackData: initialData },
+  );
+}
+
+export function useGlossary(limit = 100, initialData?: GlossaryRow[]) {
+  return useSWR<GlossaryRow[]>(
+    ["glossary", limit],
+    () => knowledgeApi.glossary(limit),
+    { fallbackData: initialData },
+  );
+}