feat: i18n control, Gitea auto-update CI, license-gated updater, fixes

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/editor/i18n/EditorI18nContext.tsx

@@ -0,0 +1,55 @@
+import React, { createContext, useCallback, useContext, useMemo, useState } from 'react';
+
+import {
+  EDITOR_LOCALE_STORAGE_KEY,
+  inferEditorLocaleFromSystem,
+  normalizeEditorLocale,
+  translateEditorMessage,
+  type EditorLocale,
+} from './editorMessages';
+
+type EditorI18nContextValue = {
+  locale: EditorLocale;
+  setLocale: (next: EditorLocale) => void;
+  t: (key: string, vars?: Record<string, string | number>) => string;
+};
+
+const EditorI18nContext = createContext<EditorI18nContextValue | null>(null);
+
+function readInitialLocale(): EditorLocale {
+  try {
+    return normalizeEditorLocale(localStorage.getItem(EDITOR_LOCALE_STORAGE_KEY));
+  } catch {
+    return inferEditorLocaleFromSystem();
+  }
+}
+
+export function EditorI18nProvider({ children }: { children: React.ReactNode }) {
+  const [locale, setLocaleState] = useState<EditorLocale>(readInitialLocale);
+
+  const setLocale = useCallback((next: EditorLocale) => {
+    setLocaleState(next);
+    try {
+      localStorage.setItem(EDITOR_LOCALE_STORAGE_KEY, next);
+    } catch {
+      // ignore
+    }
+  }, []);
+
+  const t = useCallback(
+    (key: string, vars?: Record<string, string | number>) => translateEditorMessage(locale, key, vars),
+    [locale],
+  );
+
+  const value = useMemo<EditorI18nContextValue>(() => ({ locale, setLocale, t }), [locale, setLocale, t]);
+
+  return <EditorI18nContext.Provider value={value}>{children}</EditorI18nContext.Provider>;
+}
+
+export function useEditorI18n(): EditorI18nContextValue {
+  const ctx = useContext(EditorI18nContext);
+  if (!ctx) {
+    throw new Error('useEditorI18n must be used within EditorI18nProvider');
+  }
+  return ctx;
+}