MC-4269

Task `radio-daily-brief` finished with status **failed** at 2026-05-27 05:05:32. Error (if captured): ``` exit=2 nb_create failed: { "error": "Authentication expired or invalid. Redirected to: https://accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fnotebooklm.google.com%2Flogin%3Fcontinue%3Dhttps%3A%2F%2Fnotebooklm.google.com%2F&dsh=S538307665%3A1779851187139289&followup=https%3A%2F%2Fnotebooklm.google.com%2Flogin%3Fcontinue%3Dhttps%3A%2F%2Fnotebooklm.google.com%2F&osid=1&passive=1209600&flowName=WebLiteSignIn&flowEntry=ServiceLogin&ifkv=AWa2PauvoDF3I8gDSorCB5eKzOhRyVni_Wn0Xbc8oGN8ikqRxXOrzr67hwQCkRZeOanxT2qGMgf3\nRun 'notebooklm login' to re-authenticate." } Could not create notebook, aborting audio step Mode: daily, topics: ['aviation', 'sa-macro', 'geopolitics', 'crypto', 'ai', 'markets', 'sa-politics', 'world-economy'] [aviation] gathering stories (window=1d, mode=da ``` This may be a one-off or a recurring issue — check previous runs in mc.db `task_runs` table.