feat: add editable search input to Prowlarr modal with scrollable badges

- Add text input for custom search queries in Prowlarr modal
- Quick search badges pre-fill the input and trigger search
- Default query uses quoted series name for exact match
- Add custom_query support to backend API
- Limit badge area height with vertical scroll
- Add debug logging for Prowlarr API responses

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

apps/backoffice/lib/i18n/fr.ts

@@ -485,6 +485,8 @@ const fr = {
   "prowlarr.columnSeeders": "Seeds",
   "prowlarr.columnLeechers": "Peers",
   "prowlarr.columnProtocol": "Protocole",
+  "prowlarr.searchPlaceholder": "Modifier la recherche...",
+  "prowlarr.searchAction": "Rechercher",
   "prowlarr.searchError": "Erreur lors de la recherche",
   "prowlarr.notConfigured": "Prowlarr n'est pas configuré",
   "prowlarr.download": "Télécharger",