- Introduce DevServerStore and DevServerProcessManager with a simplified store API contract
- Add dev-server script detection and route legacy manager behavior through the new process manager
- Add a dedicated dev-server router with start/stop/status/log endpoints and SSE event streaming
- Wire dev-server routes into the main route table and hook manager shutdown into server teardown
- Expand tests and architecture docs for store, process, route, detection, and SSE coverage
- Add DevServerManager service to start/stop/restart dev processes, persist state, stream logs, and detect preview URLs
- Add dev server candidate detection across root/workspace package scripts with caching and invalidation helpers
- Expose /api/dev-server routes for candidates, status, lifecycle actions, manual preview URL, and SSE log/status stream
- Initialize and tear down dev server managers from dashboard server lifecycle
- Add unit and route tests covering detection, manager lifecycle, URL parsing/fallback probes, and API validation
