`spc-app` is the authenticated customer surface for Solar Plan. This first cut gives you a real Clerk-backed sign-in flow, a protected dashboard route, and a PWA-ready foundation for mobile install prompts and app-like navigation.
`/dashboard` is locked behind Clerk middleware so you have a real auth boundary from day one.
The app includes a manifest, installable metadata, and generated icons so it can evolve into the full SPC customer PWA instead of a browser-only shell.
Once Clerk session claims and `spc-api` account headers are finalised, this app can start calling the GraphQL surface without changing its auth foundation.