0.3.6 — plugin registry, Unreal extracted to a plugin, in-app update check + fixes

- Official plugin registry hosted on Gitea; client fetches registry.json over
  HTTPS and installs plugins via backend plugin_write_file.
- Auto-install autoInstall plugins on first connect; per-machine enabled state.
- Extract all Unreal tooling (Build Solution / Unreal Log) into a separate
  "unreal" plugin (defaultEnabled) driven through the new host.ue bridge;
  core UI no longer hard-wires Unreal.
- Settings → Plugins: "Official plugins" section with Install buttons.
- Status bar: "Updates" button (right of Log) triggers an update check without
  restarting the client.
- Fixes: NEW badge hard-right/centered without shifting text; History commit
  size no longer flickers (cached per change); giant icons in empty plugin/
  People lists; Get Latest hover contrast.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/i18n.ts

@@ -179,6 +179,11 @@ const D: Record<string, Tr> = {
   "Submitted less than 3 hours ago": { ru: "Засабмичено меньше 3 часов назад", de: "Vor weniger als 3 Stunden übermittelt", fr: "Soumis il y a moins de 3 heures", es: "Enviado hace menos de 3 horas" },
   "Plugins": { ru: "Плагины", de: "Plugins", fr: "Extensions", es: "Plugins" },
   "General": { ru: "Общие", de: "Allgemein", fr: "Général", es: "General" },
+  "Check for updates": { ru: "Проверить обновления", de: "Nach Updates suchen", fr: "Vérifier les mises à jour", es: "Buscar actualizaciones" },
+  "Updates": { ru: "Обновления", de: "Updates", fr: "Mises à jour", es: "Actualizaciones" },
+  "Checking for updates…": { ru: "Проверяю обновления…", de: "Suche nach Updates…", fr: "Recherche de mises à jour…", es: "Buscando actualizaciones…" },
+  "You're on the latest version": { ru: "У тебя последняя версия", de: "Du hast die neueste Version", fr: "Vous avez la dernière version", es: "Tienes la última versión" },
+  "Update check failed": { ru: "Не удалось проверить обновления", de: "Update-Prüfung fehlgeschlagen", fr: "Échec de la vérification", es: "Fallo al buscar actualizaciones" },
   "Appearance": { ru: "Оформление", de: "Darstellung", fr: "Apparence", es: "Apariencia" },
   "Base theme": { ru: "Базовая тема", de: "Basis-Theme", fr: "Thème de base", es: "Tema base" },
   "{n} installed": { ru: "установлено: {n}", de: "{n} installiert", fr: "{n} installés", es: "{n} instalados" },
@@ -186,6 +191,8 @@ const D: Record<string, Tr> = {
   "No plugins installed yet.\nInstall one from a folder, or drop it into the plugins folder below.": { ru: "Плагинов пока нет.\nУстанови из папки или положи в папку плагинов ниже.", de: "Noch keine Plugins.\nAus einem Ordner installieren oder in den Plugin-Ordner unten legen.", fr: "Aucune extension.\nInstallez depuis un dossier ou déposez-la dans le dossier ci-dessous.", es: "Aún no hay plugins.\nInstala desde una carpeta o suéltalo en la carpeta de abajo." },
   "Enable": { ru: "Включить", de: "Aktivieren", fr: "Activer", es: "Activar" },
   "Disable": { ru: "Выключить", de: "Deaktivieren", fr: "Désactiver", es: "Desactivar" },
+  "Official plugins": { ru: "Официальные плагины", de: "Offizielle Plugins", fr: "Extensions officielles", es: "Plugins oficiales" },
+  "Install": { ru: "Установить", de: "Installieren", fr: "Installer", es: "Instalar" },
   "Open plugins folder": { ru: "Открыть папку плагинов", de: "Plugin-Ordner öffnen", fr: "Ouvrir le dossier des extensions", es: "Abrir carpeta de plugins" },
   "Reload": { ru: "Перезагрузить", de: "Neu laden", fr: "Recharger", es: "Recargar" },
   "Install from folder…": { ru: "Установить из папки…", de: "Aus Ordner installieren…", fr: "Installer depuis un dossier…", es: "Instalar desde carpeta…" },