add api framework

internal/httpapp/app.go

@@ -48,18 +48,7 @@ func (a *App) Router() http.Handler {
 	return requestID(logging(a.mux))
 }
 
-func (a *App) routes() {
-	// Static
-	fs := http.FileServer(http.Dir(a.cfg.StaticDir))
-	a.mux.Handle("/static/", http.StripPrefix("/static/", fs))
-
-	// Core pages
-	a.mux.HandleFunc("/", a.handleDashboard)
-
-	// Health & metrics
-	a.mux.HandleFunc("/healthz", a.handleHealthz)
-	a.mux.HandleFunc("/metrics", a.handleMetrics)
-}
+// routes() is now in routes.go
 
 func parseTemplates(dir string) (*template.Template, error) {
 	pattern := filepath.Join(dir, "*.html")