Remove AgentSnapshot from persistence layer. AgentRegistry now accepts
ManagedAgent and uses toStoredAgentRecord for atomic config + lifecycle
persistence. Deleted obsolete recordConfig method.
- Update applySnapshot to accept ManagedAgent and use toStoredAgentRecord
- Remove recordConfig method entirely (no longer needed)
- Remove sanitizeConfig helper (handled by projection)
- Update session to stop calling deleted recordConfig
- Add ManagedAgent test fixtures to registry and persistence-hook tests
- Test config persistence, title retention, and subscription forwarding
Registry and persistence-hooks now typecheck cleanly. Expected failures
in session/mcp-server/messages (still reference AgentSnapshot).
Task 4 of 8 in agent architecture refactor.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
