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>

tests/test_csrf_interceptor.py

@@ -135,7 +135,7 @@ def user_client(monkeypatch, user_row, patched_db):
 
 class TestRenderedCsrfMeta:
     def test_keys_page_has_non_empty_csrf_meta(self, user_client):
-        r = user_client.get("/dashboard/keys")
+        r = user_client.get("/dashboard-legacy/keys")
         assert r.status_code == 200
         # The meta tag must be present *and* populated with a real token.
         assert '<meta name="csrf-token"' in r.text