fix(ci): fix 3 pre-existing CI failures + doc updates

- i18n: add 115 missing EN translation keys (parity with FA)
- csrf: test /dashboard-legacy/keys (SPA owns /dashboard/*)
- oauth: add tier scopes to test fixture allowed_scopes
- DOCKER_README: v3.13.0 — remove Appwrite/Directus, clarify 8 plugins
- getting-started: remove Appwrite/Directus, add Coolify endpoint row
- Overview.tsx: fix Lang type for AdminStatsPanel

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

web/src/pages/Overview.tsx

@@ -6,6 +6,7 @@ import { useDashboardStats, useSession, useSites, useUserKeys } from "../lib/que
 import type { DashboardStats } from "../lib/types";
 import { useT } from "../lib/i18n";
 import { useUiStore } from "../lib/store";
+import type { Lang } from "../lib/store";
 import { fmtNumber, fmtInt, fmtDateTime, normalizeSiteStatus } from "../lib/format";
 
 export function OverviewPage() {
@@ -263,7 +264,7 @@ function AdminStatsPanel({
   t,
 }: {
   stats: DashboardStats | undefined;
-  lang: string;
+  lang: Lang;
   t: (key: string, fallback: string) => string;
 }) {
   if (!stats) return null;