release: 0.66.0 — E5 Plex epic (scoped search, HU localization, toolbar/header)

Ships the E5 sprint stack (S1–S7): field-scoped Plex search + typeahead, cast &
crew pages, the HU-overlay Hungarian metadata + language-aware serving, the
IMDb/audience rating split, the toolbar relocation, and the narrow/mobile header
fix — plus the underlying Plex-module refactors (feedquery/plex.cards/plex.query
extraction, db.query→2.0 select).

- VERSION 0.65.2 → 0.66.0
- releaseNotes.ts: 0.66.0 user-facing entry
- prettier-format the E5-touched frontend files (release hygiene)

Merged main (0.65.2 download-gc hotfix) in first; no code conflicts (E5 is
Plex-only, the hotfix was notifications/downloads).

frontend/src/components/PlexSearchBox.tsx

@@ -8,11 +8,7 @@ import { usePlex, usePlexActions } from "./PlexProvider";
 import { api } from "../lib/api";
 import { qk } from "../lib/queryKeys";
 import { useDebounced } from "../lib/useDebounced";
-import {
-  availablePlexFields,
-  healPlexField,
-  plexFieldLabelKey,
-} from "../lib/plexSearch";
+import { availablePlexFields, healPlexField, plexFieldLabelKey } from "../lib/plexSearch";
 
 // The Plex header search box: the shared SearchBar enriched with the S2 search scope-pill (a
 // GitHub-style field selector inside the box) and an instant typeahead of the top matches attached
@@ -46,8 +42,7 @@ export default function PlexSearchBox() {
   const suggestQ = useQuery({
     queryKey: qk.plexSuggest(scope, dq, activeField),
     enabled: suggestEnabled,
-    queryFn: () =>
-      api.plexLibrary({ scope, q: dq, field: activeField, limit: SUGGEST_LIMIT }),
+    queryFn: () => api.plexLibrary({ scope, q: dq, field: activeField, limit: SUGGEST_LIMIT }),
     staleTime: 30_000,
   });
   const suggestions = suggestEnabled ? (suggestQ.data?.items ?? []) : [];
@@ -58,9 +53,7 @@ export default function PlexSearchBox() {
   // Keep the highlighted option scrolled into view during arrow-key navigation.
   useEffect(() => {
     if (hi < 0) return;
-    listRef.current
-      ?.querySelector(`[data-idx="${hi}"]`)
-      ?.scrollIntoView({ block: "nearest" });
+    listRef.current?.querySelector(`[data-idx="${hi}"]`)?.scrollIntoView({ block: "nearest" });
   }, [hi]);
 
   const pick = (i: number) => {