- Add _find_beads_db_in_tree() to walk up looking for .beads/*.db
- Update _get_client() to auto-detect when workspace not set
- Matches CLI behavior (no manual set_context needed after restart)
- Add 8 comprehensive tests for auto-detection
- Update existing tests to mock auto-detection in error cases
Fixes silent failures after Amp restart.
Amp-Thread-ID: https://ampcode.com/threads/T-c47f524d-c101-40d5-839a-659f52b9be48
Co-authored-by: Amp <amp@ampcode.com>
- Add ping() and health() methods to BdDaemonClient for connection verification
- Implement _health_check_client() to verify cached client connections
- Add _reconnect_client() with exponential backoff (0.1s, 0.2s, 0.4s, max 3 retries)
- Update _get_client() to health-check before returning cached clients
- Automatically detect and remove stale connections from pool
- Add comprehensive test suite with 14 tests covering all scenarios
- Handle daemon restarts, upgrades, and long-idle connections gracefully
Amp-Thread-ID: https://ampcode.com/threads/T-2366ef1b-389c-4293-8145-7613037c9dfa
Co-authored-by: Amp <amp@ampcode.com>
