logging and diagnostic features added

internal/httpapp/routes.go

@@ -16,8 +16,36 @@ func (a *App) routes() {
 
 	// Health & metrics
 	a.mux.HandleFunc("/healthz", a.handleHealthz)
+	a.mux.HandleFunc("/health", a.handleHealthCheck) // Detailed health check
 	a.mux.HandleFunc("/metrics", a.handleMetrics)
 
+	// Diagnostics
+	a.mux.HandleFunc("/api/v1/system/info", methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleSystemInfo(w, r) },
+		nil, nil, nil, nil,
+	))
+	a.mux.HandleFunc("/api/v1/system/logs", methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleLogs(w, r) },
+		nil, nil, nil, nil,
+	))
+	a.mux.HandleFunc("/api/v1/system/gc", methodHandler(
+		nil,
+		func(w http.ResponseWriter, r *http.Request) { a.handleGC(w, r) },
+		nil, nil, nil,
+	))
+
+	// API Documentation
+	a.mux.HandleFunc("/api/docs", a.handleAPIDocs)
+	a.mux.HandleFunc("/api/openapi.yaml", a.handleOpenAPISpec)
+
+	// Backup & Restore
+	a.mux.HandleFunc("/api/v1/backups", methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleListBackups(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateBackup(w, r) },
+		nil, nil, nil,
+	))
+	a.mux.HandleFunc("/api/v1/backups/", a.handleBackupOps)
+
 	// Dashboard API
 	a.mux.HandleFunc("/api/v1/dashboard", methodHandler(
 		func(w http.ResponseWriter, r *http.Request) { a.handleDashboardAPI(w, r) },