25.12.04 잠금 해제, uv 살균, 건조팬 동작 기능 구현

lib/rental_process_screen.dart

@@ -3,6 +3,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
 
+//25.12.03 지은 추가
+import 'package:smarthelmet_app/services/locker_api.dart';
+
 class RentalProcessScreen extends StatefulWidget {
   final String stationName;
 
@@ -26,6 +29,25 @@ class _RentalProcessScreenState extends State<RentalProcessScreen> {
   static const Color _primaryGreen = Color(0xFF4CAF50);
   static const Color _primaryOrange = Color(0xFFFF3D00);
 
+  // 25.12.03 지은 추가 시작
+  final LockerApi _api = LockerApi();
+  bool _isLoading = false;
+
+Future<void> _runLockerAction(String name, Future<bool> Function() action) async {
+    if (_isLoading) return;
+
+    setState(() => _isLoading = true);
+    
+    // 실제 명령 전송
+    final success = await action();
+    
+    setState(() => _isLoading = false);
+
+    if (!mounted) return;
+  }
+
+  // 25.12.03 지은 추가 끝
+
   final PageController _pageController = PageController();
   int _currentPage = 0;
   Timer? _timer;
@@ -241,6 +263,9 @@ class _RentalProcessScreenState extends State<RentalProcessScreen> {
                       height: 68,
                       child: ElevatedButton(
                         onPressed: () {
+                          // 25.12.03 지은 추가
+                          _runLockerAction("잠금 해제", () => _api.unlock());
+                          
                           ScaffoldMessenger.of(context).showSnackBar(
                             const SnackBar(
                               content: Text('문이 열렸습니다! (OPEN 버튼 눌림)'),