- New auto_login_service.py: stores encrypted credentials (login ID,
password, TOTP secret), performs headless Zerodha login via pyotp,
and refreshes the session daily at 6:05 AM IST via background thread
- New auto_login router: setup, status, remove, and manual trigger endpoints
- Scheduler started at app boot alongside existing daemons
- Added pyotp==2.9.0 dependency
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>