- manager: surface worker_thread errors/exit to clients and tear the sim
down (issue 001); cache last status/state and replay on attach so a
reconnecting client sees current state even when paused (issue 002)
- web socket: capped exponential reconnect backoff + bounded command queue
(issue 003); derive ws/wss URL from page origin (issue 004)
- runner: build replacement engine before freeing the old one (issue 005)
- remove dead VesselConfig message path across types/api/web (issue 006)
Tests added for each fix. Full monorepo suite green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
