- Implemented `_connectivity_confirmed` to verify session validity by opening the Mission panel, addressing two failure modes:
1. Bright full-screen transition frames that could falsely satisfy home checks.
2. Dead sessions due to server resets or concurrent logins, which appear as normal home screens until navigation is attempted.
- Improved detection logic by requiring a second verification of `_true_home` after a short wait, reducing the likelihood of coincidental false positives.
- Confirmed live against real scenarios, ensuring robust handling of session states during login.
