- Replace the shell convenience script with a cross-platform Python launcher.
- Keep dev.sh as a Unix compatibility wrapper.
- Let the direct backend bind with host and port overrides.
- Update the root and webui README guidance for the new launcher.
- Preserve the backend startup behavior used by the old dev flow.
- Introduce dev.sh as the local backend + Vite launcher
- Document the separate backend/frontend development flow
- Note that the dev Gunicorn config restarts Python on file changes
- Note that Vite hot reloads React changes in webui