Preview sources
Build Lab prefers static preview artifacts because they work reliably across separate web and worker services.
- Static outputs are captured from dist, out, build, or .output/public.
- Runtime apps can produce live preview snapshots after the worker starts a local preview command.
- Preview routes are served through Deep Dev and remain tenant-protected inside the app.
When no preview appears
The project may lack a build script, package.json may live in an unexpected subfolder, or the app may require runtime secrets. The scan findings should explain which condition blocked preview evidence.