Local-dev variant of /askdiff. Starts the WS server and Vite (HMR)
against in-repo TypeScript instead of the published CLI. Vite proxies
/ws to the WS server (port from ASKDIFF_DEV_WS_TARGET), so the UI
uses the same same-origin new WebSocket('ws://host/ws') URL as in prod.
Use when editing packages/server or packages/ui-browser for instant
reload instead of rebuild/republish.
Keep Steps 1–4 in sync with
.claude/skills/askdiff/SKILL.md— only the Step 4c `resolve-sess
[Description truncada. Veja o README completo no GitHub.]