chore: auto-commit from dashboard

tools/calendar_auth.py

@@ -6,7 +6,7 @@ Run this once to generate token.json for calendar access.
 
 import os
 from pathlib import Path
-from google_auth_oauthlib.flow import Flow
+from google_auth_oauthlib.flow import InstalledAppFlow
 from google.auth.transport.requests import Request
 from google.oauth2.credentials import Credentials
 
@@ -32,26 +32,11 @@ def main():
             print(f"Starting OAuth flow...")
             print(f"Using credentials: {CREDENTIALS_FILE}\n")
             
-            flow = Flow.from_client_secrets_file(
+            flow = InstalledAppFlow.from_client_secrets_file(
                 str(CREDENTIALS_FILE),
-                scopes=SCOPES,
-                redirect_uri='urn:ietf:wg:oauth:2.0:oob'
+                scopes=SCOPES
             )
-            
-            auth_url, _ = flow.authorization_url(prompt='consent')
-            
-            print("="*60)
-            print("AUTHORIZATION REQUIRED")
-            print("="*60)
-            print("\n1. Open this URL in your browser:\n")
-            print(auth_url)
-            print("\n2. Sign in and authorize access")
-            print("3. Copy the authorization code and paste it below\n")
-            
-            code = input("Enter authorization code: ").strip()
-            
-            flow.fetch_token(code=code)
-            creds = flow.credentials
+            creds = flow.run_local_server(port=0, open_browser=False)
         
         # Save the credentials for next run
         TOKEN_FILE.parent.mkdir(parents=True, exist_ok=True)