deploy: english UI + admin creds + dataset wiring

app.py

@@ -64,7 +64,11 @@ def _run_pending_migrations_inline() -> None:
     configured DB URL is SQLite; non-SQLite deployments would use a
     real migration tool.
     """
-    db_url = (os.getenv("PANEL_DATABASE_URL") or "").strip()
+    # Read the effective URL from PANEL_CONFIG, not os.getenv — on HF
+    # Spaces the env var ``PANEL_DATABASE_URL`` is NOT always set and
+    # the panel falls back to ``config.py``'s default. Reading from
+    # PANEL_CONFIG gives us the *actual* URL the runtime will use.
+    db_url = (PANEL_CONFIG.database_url or "").strip()
     if not db_url.startswith("sqlite"):
         return
     import sqlite3