ozellik: google oauth, gmail-drive araclari ve admin durum kartlarini ekle

backend/scripts/google_oauth_bootstrap.py

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+from pathlib import Path
+
+from google_auth_oauthlib.flow import InstalledAppFlow
+
+from app.config import get_settings
+from app.google.auth import GOOGLE_SCOPES
+
+
+def main() -> None:
+    settings = get_settings()
+    workspace_root = Path(__file__).resolve().parents[1]
+    client_path = (workspace_root / settings.google_client_secrets_file).resolve()
+    token_path = (workspace_root / settings.google_token_file).resolve()
+    token_path.parent.mkdir(parents=True, exist_ok=True)
+
+    if not client_path.exists():
+        raise SystemExit(
+            f"Missing Google OAuth client file: {client_path}\n"
+            "Create a Google OAuth Desktop App and place its JSON there first."
+        )
+
+    flow = InstalledAppFlow.from_client_secrets_file(str(client_path), GOOGLE_SCOPES)
+    creds = flow.run_local_server(port=0, open_browser=True)
+    token_path.write_text(creds.to_json(), encoding="utf-8")
+    print(f"Google token saved to {token_path}")
+
+
+if __name__ == "__main__":
+    main()