Improve developer integration docs and Docker dev workflow.

Add TypeScript frontend integration documentation, repository agent guidance files, Go-served frontend routing, and an advanced Docker Compose setup with watch mode plus BuildKit cache configuration.

Made-with: Cursor

internal/http/handlers.go

@@ -21,6 +21,8 @@ func NewAPI(svc *app.Service) *API {
 
 func (a *API) Routes() http.Handler {
 	mux := http.NewServeMux()
+	staticFiles := http.FileServer(http.Dir("web"))
+
 	mux.HandleFunc("GET /healthz", a.health)
 	mux.HandleFunc("POST /v1/auth/challenge", a.createChallenge)
 	mux.HandleFunc("POST /v1/auth/login", a.login)
@@ -34,6 +36,9 @@ func (a *API) Routes() http.Handler {
 	mux.HandleFunc("GET /v1/collections/{id}/features", a.listFeatures)
 	mux.HandleFunc("DELETE /v1/features/{id}", a.deleteFeature)
 
+	mux.Handle("/web/", http.StripPrefix("/web/", staticFiles))
+	mux.Handle("/", http.RedirectHandler("/web/", http.StatusTemporaryRedirect))
+
 	return withCORS(mux)
 }