release: v3.3.0 — platform hardening & admin unification (Track F.1–F.8)

Plugin visibility control, UI/UX fixes, unified admin panel,
database-backed settings, and security hardening.

Highlights:
- ENABLED_PLUGINS env var for plugin visibility (F.1)
- Admin designation via ADMIN_EMAILS (F.4a)
- Master key scope control (F.4b)
- Panel unification + settings from UI (F.4c)
- exec() removal, shell injection fix, bcrypt migration (F.8)
- 5 new test suites

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/test_f3_admin_stats.py

@@ -0,0 +1,17 @@
+"""Tests for admin dashboard stats (Phase F.3)."""
+
+from core.dashboard.routes import get_dashboard_stats
+
+
+class TestAdminDashboardStats:
+    """Test admin dashboard statistics include platform data."""
+
+    async def test_stats_include_users_count(self):
+        """Verify users_count is present in admin stats."""
+        stats = await get_dashboard_stats()
+        assert "users_count" in stats
+
+    async def test_stats_include_user_sites_count(self):
+        """Verify user_sites_count is present in admin stats."""
+        stats = await get_dashboard_stats()
+        assert "user_sites_count" in stats