update install script

internal/httpapp/handlers.go

@@ -151,7 +151,8 @@ func (a *App) render(w http.ResponseWriter, name string, data any) {
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	// base.html defines layout; dashboard.html will invoke it via template inheritance style.
 	if err := a.tmpl.ExecuteTemplate(w, name, data); err != nil {
-		log.Printf("template render error: %v", err)
+		log.Printf("template render error: %v (template: %s, templates dir: %s)", err, name, a.cfg.TemplatesDir)
+		// In production, don't expose internal error details to client
 		http.Error(w, "template render error", http.StatusInternalServerError)
 		return
 	}