🔧 Update authentication flow to enforce manual redirect URI for OAuth

app.py

@@ -27,7 +27,9 @@ def authenticate_manual(credentials_path, code):
     with open(credentials_path, "r") as f:
         client_config = json.load(f)
 
-    flow = InstalledAppFlow.from_client_config(client_config, SCOPES)
+    # Forzar uso de redirect_uri manual
+    client_config["installed"]["redirect_uris"] = ["urn:ietf:wg:oauth:2.0:oob"]
+    flow = InstalledAppFlow.from_client_config(client_config, SCOPES, redirect_uri="urn:ietf:wg:oauth:2.0:oob")
     auth_url, _ = flow.authorization_url(prompt='consent')
 
     if code: