- Extend dev server store with config defaults, normalization, and JSON persistence alongside runtime state.
- Add GET/PUT /api/dev-server/config endpoints with strict request validation for nullable fields and preview URLs.
- Add dashboard API helpers plus a useDevServerConfig hook to load and update selected script, source, command, and preview override.
- Update DevServerView and styles to support saved script selection, change/clear actions, and synchronized command/preview inputs.
- Expand dev server store/routes/component tests and document the config endpoint in architecture docs.
- 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
