- Add a durable dev-server store and manager with persisted state/log history, process reconciliation, and SSE event buffering
- Wire new backend lifecycle APIs for status/history/start/stop/restart/stream and initialize/shutdown manager handling in server startup
- Add dashboard Dev Server view, hook-based hydration/stream handling, nav integration, and supporting styles
- Expand coverage with backend persistence/route tests and frontend DevServerView/useDevServer tests
- Document the dev-server persistence architecture in docs/architecture.md