POLISHING STUFF and Smarter AI, and alot i mean.. ALOT OF BUG FIX AND OPTIMIZE

walkguide-mobile/walkguide_app/lib/core/ai/yolo_detector.dart

@@ -586,14 +586,31 @@ const Set<String> _walkGuideObstacleLabels = {
   'bicycle',
   'car',
   'motorcycle',
+  'truck',
   'bus',
   'train',
-  'truck',
+  'boat',
   'traffic light',
   'fire hydrant',
   'stop sign',
   'parking meter',
   'bench',
+  'stairs',
+  'stair',
+  'pothole',
+  'curb',
+  'pole',
+  'bollard',
+  'cone',
+  'road cone',
+  'barrier',
+  'fence',
+  'door',
+  'trash can',
+  'signboard',
+  'crosswalk',
+  'sidewalk',
+  'wall',
   'backpack',
   'umbrella',
   'handbag',
@@ -608,6 +625,7 @@ const Set<String> _walkGuideObstacleLabels = {
   'bottle',
   'cup',
   'book',
+  'object',
 };
 
 const Map<int, String> _cocoObstacleLabels = {

walkguide-mobile/walkguide_app/lib/core/constants/app_constants.dart

@@ -1,7 +1,8 @@
 import 'package:shared_preferences/shared_preferences.dart';
 
 class AppConstants {
-  static const String defaultServerUrl = 'http://202.46.28.170:8080';
+  static const String defaultServerUrl = 'http://127.0.0.1:8080';
+  static const String publicServerUrl = 'http://202.46.28.170:8080';
   static const String _serverUrlKey = 'server_base_url';
   static const String _selectedYoloModelKey = 'selected_yolo_model';
 
@@ -10,7 +11,7 @@ class AppConstants {
     final prefs = await SharedPreferences.getInstance();
     final saved = prefs.getString(_serverUrlKey);
     if (saved == null || saved.trim().isEmpty) {
-      return defaultServerUrl;
+      return null;
     }
     return saved;
   }
@@ -38,7 +39,7 @@ class AppConstants {
 
   static Future<void> clearServerUrl() async {
     final prefs = await SharedPreferences.getInstance();
-    await prefs.setString(_serverUrlKey, defaultServerUrl);
+    await prefs.remove(_serverUrlKey);
   }
 
   static String buildApiUrl(String baseUrl) => '$baseUrl/api/v1';

walkguide-mobile/walkguide_app/lib/core/network/api_client.dart

@@ -61,7 +61,11 @@ class _AuthInterceptor extends Interceptor {
 
   @override
   void onError(DioException err, ErrorInterceptorHandler handler) async {
-    if (err.response?.statusCode == 401 && !_refreshing) {
+    final status = err.response?.statusCode;
+    final canRefresh = (status == 401 || status == 403) &&
+        !_refreshing &&
+        !err.requestOptions.path.startsWith('/auth/');
+    if (canRefresh) {
       _refreshing = true;
       try {
         final refresh = await _storage.getRefreshToken();
@@ -87,14 +91,20 @@ class _AuthInterceptor extends Interceptor {
           // Retry original request
           err.requestOptions.headers['Authorization'] =
               'Bearer ${data['accessToken']}';
-          final retryRes = await _dio.fetch(err.requestOptions);
-          _refreshing = false;
-          handler.resolve(retryRes);
+          try {
+            final retryRes = await _dio.fetch(err.requestOptions);
+            _refreshing = false;
+            handler.resolve(retryRes);
+          } on DioException catch (retryErr) {
+            _refreshing = false;
+            handler.next(retryErr);
+          }
           return;
         }
-      } catch (_) {}
+      } catch (_) {
+        await _storage.clearAll();
+      }
       _refreshing = false;
-      await _storage.clearAll();
     }
     handler.next(err);
   }

walkguide-mobile/walkguide_app/lib/core/services/fcm_service.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
@@ -7,6 +8,11 @@ import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import '../../app/router.dart';
 import '../network/api_client.dart';
 
+@pragma('vm:entry-point')
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  await Firebase.initializeApp();
+}
+
 class FcmService {
   final ApiClient _apiClient;
   final FlutterLocalNotificationsPlugin _localNotifications =
@@ -17,6 +23,9 @@ class FcmService {
   Future<void> init() async {
     if (kIsWeb) return;
     try {
+      await Firebase.initializeApp();
+      FirebaseMessaging.onBackgroundMessage(
+          _firebaseMessagingBackgroundHandler);
       final messaging = FirebaseMessaging.instance;
       await _localNotifications.initialize(
         const InitializationSettings(

walkguide-mobile/walkguide_app/lib/core/services/haptic_service.dart

@@ -1,36 +1,107 @@
+import 'package:flutter/services.dart';
 import 'package:vibration/vibration.dart';
 
 class HapticService {
-  Future<bool> get _hasVibrator async => Vibration.hasVibrator();
+  bool _enabled = true;
+  DateTime _lastObstacleVibrationAt = DateTime.fromMillisecondsSinceEpoch(0);
+
+  static const _obstacleCooldown = Duration(seconds: 3);
+
+  bool get enabled => _enabled;
+
+  void setEnabled(bool enabled) {
+    _enabled = enabled;
+    if (!enabled) {
+      Vibration.cancel().ignore();
+    }
+  }
+
+  Future<bool> get _hasVibrator async {
+    try {
+      final hasVibrator = await Vibration.hasVibrator();
+      return hasVibrator == true;
+    } catch (_) {
+      return false;
+    }
+  }
+
+  bool _canRunObstacleVibration() {
+    final now = DateTime.now();
+    if (now.difference(_lastObstacleVibrationAt) < _obstacleCooldown) {
+      return false;
+    }
+    _lastObstacleVibrationAt = now;
+    return true;
+  }
+
+  Future<void> _vibrate({
+    int? duration,
+    List<int>? pattern,
+    required Future<void> Function() fallback,
+    bool obstacle = false,
+  }) async {
+    if (!_enabled) return;
+    if (obstacle && !_canRunObstacleVibration()) return;
+
+    try {
+      if (await _hasVibrator) {
+        if (pattern != null) {
+          await Vibration.vibrate(pattern: pattern);
+        } else if (duration != null) {
+          await Vibration.vibrate(duration: duration);
+        }
+        return;
+      }
+    } catch (_) {
+      // Use Flutter's platform haptics below when the vibration plugin fails.
+    }
+
+    await fallback();
+  }
 
   Future<void> obstacleVeryClose() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(pattern: [0, 500, 100, 500, 100, 500]);
+    await _vibrate(
+      pattern: [0, 500, 100, 500, 100, 500],
+      fallback: HapticFeedback.heavyImpact,
+      obstacle: true,
+    );
   }
 
   Future<void> obstacleClose() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(pattern: [0, 300, 100, 300]);
+    await _vibrate(
+      pattern: [0, 300, 100, 300],
+      fallback: HapticFeedback.mediumImpact,
+      obstacle: true,
+    );
   }
 
   Future<void> obstacleMedium() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(duration: 150);
+    await _vibrate(
+      duration: 150,
+      fallback: HapticFeedback.lightImpact,
+      obstacle: true,
+    );
   }
 
   Future<void> sosTriggered() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(pattern: [0, 1000, 200, 1000, 200, 1000]);
+    await _vibrate(
+      pattern: [0, 1000, 200, 1000, 200, 1000],
+      fallback: HapticFeedback.heavyImpact,
+    );
   }
 
   Future<void> callIncoming() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(pattern: [0, 500, 500, 500, 500, 500, 500, 500]);
+    await _vibrate(
+      pattern: [0, 500, 500, 500, 500, 500, 500, 500],
+      fallback: HapticFeedback.mediumImpact,
+    );
   }
 
   Future<void> success() async {
-    if (!await _hasVibrator) return;
-    Vibration.vibrate(duration: 80);
+    await _vibrate(
+      duration: 80,
+      fallback: HapticFeedback.selectionClick,
+    );
   }
 
   Future<void> stop() async => Vibration.cancel();

walkguide-mobile/walkguide_app/lib/core/services/hardware_shortcut_listener.dart

@@ -27,11 +27,14 @@ class HardwareShortcutBinding {
 class HardwareShortcutListener {
   final ApiClient _apiClient;
   final Map<int, HardwareShortcutBinding> _bindings = {};
+  final Map<int, DateTime> _lastHandledAt = {};
 
   bool _listening = false;
   void Function(HardwareShortcutAction action)? _onAction;
   void Function(int buttonCode, String buttonName)? _captureCallback;
 
+  static const Duration _repeatDebounce = Duration(milliseconds: 900);
+
   HardwareShortcutListener(this._apiClient);
 
   Future<void> startListening({
@@ -68,7 +71,8 @@ class HardwareShortcutListener {
       );
   }
 
-  void captureNextButton(void Function(int buttonCode, String buttonName) onCapture) {
+  void captureNextButton(
+      void Function(int buttonCode, String buttonName) onCapture) {
     _captureCallback = onCapture;
   }
 
@@ -88,6 +92,12 @@ class HardwareShortcutListener {
 
     final binding = _bindings[code];
     if (binding == null || !binding.enabled) return false;
+    final now = DateTime.now();
+    final lastHandled = _lastHandledAt[code];
+    if (lastHandled != null && now.difference(lastHandled) < _repeatDebounce) {
+      return true;
+    }
+    _lastHandledAt[code] = now;
     _onAction?.call(binding.action);
     return true;
   }
@@ -103,7 +113,8 @@ HardwareShortcutBinding? _bindingFromJson(Map<String, dynamic> item) {
   final action = _actionFromBackend(item['shortcutKey']?.toString());
   final rawCode = item['buttonCode'];
   final enabled = item['enabled'] != false;
-  final code = rawCode is int ? rawCode : int.tryParse(rawCode?.toString() ?? '');
+  final code =
+      rawCode is int ? rawCode : int.tryParse(rawCode?.toString() ?? '');
   if (action == null || code == null || code <= 0) return null;
   return HardwareShortcutBinding(
     action: action,

walkguide-mobile/walkguide_app/lib/core/services/stt_service.dart

@@ -6,17 +6,24 @@ class SttService {
   final SpeechToText _stt = SpeechToText();
   bool _available = false;
   bool _listening = false;
+  bool _shouldListen = false;
+  bool _initializing = false;
   Function(String)? onResult;
 
   Future<bool> init() async {
+    if (_available) return true;
+    if (_initializing) return _available;
+    _initializing = true;
     _available = await _stt.initialize(
       onError: (e) => _onError(e),
       onStatus: (s) => _onStatus(s),
     );
+    _initializing = false;
     return _available;
   }
 
   Future<void> startListening() async {
+    _shouldListen = true;
     if (!_available || _listening) return;
     _listening = true;
     await _stt.listen(
@@ -25,14 +32,15 @@ class SttService {
           onResult?.call(result.recognizedWords.toLowerCase().trim());
         }
       },
-      listenFor: const Duration(seconds: 10),
-      pauseFor: const Duration(seconds: 3),
+      listenFor: const Duration(seconds: 60),
+      pauseFor: const Duration(seconds: 8),
       localeId: 'id_ID',
       cancelOnError: false,
     );
   }
 
   Future<void> stopListening() async {
+    _shouldListen = false;
     _listening = false;
     await _stt.stop();
   }
@@ -42,15 +50,17 @@ class SttService {
 
   void _onError(dynamic error) {
     _listening = false;
-    // Auto-restart setelah error
-    Future.delayed(const Duration(seconds: 1), startListening);
+    if (_shouldListen) {
+      Future.delayed(const Duration(seconds: 2), startListening);
+    }
   }
 
   void _onStatus(String status) {
     if (status == 'done' || status == 'notListening') {
       _listening = false;
-      // Auto-restart agar selalu mendengarkan
-      Future.delayed(const Duration(milliseconds: 500), startListening);
+      if (_shouldListen) {
+        Future.delayed(const Duration(seconds: 2), startListening);
+      }
     }
   }
 }

walkguide-mobile/walkguide_app/lib/core/services/tts_service.dart

@@ -4,9 +4,15 @@ class TtsService {
   final FlutterTts _tts = FlutterTts();
   final List<String> _queue = [];
   bool _speaking = false;
+  bool _initialized = false;
   String _lastSpoken = '';
+  DateTime _lastQueuedAt = DateTime.fromMillisecondsSinceEpoch(0);
 
-  Future<void> init({String language = 'id-ID', double pitch = 1.0, double rate = 0.5}) async {
+  Future<void> init(
+      {String language = 'id-ID',
+      double pitch = 1.0,
+      double rate = 0.5}) async {
+    if (_initialized) return;
     await _tts.setLanguage(language);
     await _tts.setPitch(pitch);
     await _tts.setSpeechRate(rate);
@@ -15,11 +21,25 @@ class TtsService {
       _speaking = false;
       _processQueue();
     });
+    _initialized = true;
   }
 
   /// Tambah ke antrian - tidak memotong yg sedang bicara
   void speak(String text) {
     if (text.isEmpty) return;
+    if (!_initialized) {
+      init().then((_) => speak(text));
+      return;
+    }
+    final now = DateTime.now();
+    if (text == _lastSpoken &&
+        now.difference(_lastQueuedAt) < const Duration(milliseconds: 900)) {
+      return;
+    }
+    _lastQueuedAt = now;
+    if (_queue.length >= 3) {
+      _queue.removeAt(0);
+    }
     _queue.add(text);
     if (!_speaking) _processQueue();
   }
@@ -27,6 +47,7 @@ class TtsService {
   /// Potong TTS sekarang dan langsung ucapkan ini - untuk obstacle alert
   Future<void> speakImmediate(String text) async {
     if (text.isEmpty) return;
+    await init();
     _queue.clear();
     await _tts.stop();
     _speaking = true;
@@ -43,9 +64,20 @@ class TtsService {
   String get lastSpoken => _lastSpoken;
   bool get isSpeaking => _speaking;
 
-  Future<void> setLanguage(String lang) async => _tts.setLanguage(lang);
-  Future<void> setPitch(double pitch)    async => _tts.setPitch(pitch);
-  Future<void> setRate(double rate)      async => _tts.setSpeechRate(rate);
+  Future<void> setLanguage(String lang) async {
+    await init(language: lang);
+    await _tts.setLanguage(lang);
+  }
+
+  Future<void> setPitch(double pitch) async {
+    await init();
+    await _tts.setPitch(pitch);
+  }
+
+  Future<void> setRate(double rate) async {
+    await init();
+    await _tts.setSpeechRate(rate);
+  }
 
   void repeatLast() {
     if (_lastSpoken.isNotEmpty) speak(_lastSpoken);
@@ -58,4 +90,4 @@ class TtsService {
     _lastSpoken = text;
     _tts.speak(text);
   }
-}
+}

walkguide-mobile/walkguide_app/lib/core/theme/app_colors.dart

@@ -1,15 +1,28 @@
 import 'package:flutter/material.dart';
 
 class AppColors {
-  static const primary = Color(0xFF2563EB);
-  static const primaryDark = Color(0xFF0F3EA8);
-  static const accent = Color(0xFF0891B2);
+  static const primaryBlue = Color(0xFF4A90D9);
+  static const softBlueBg = Color(0xFFEBF4FF);
+  static const softPinkBg = Color(0xFFFFF0F5);
+  static const softYellowBg = Color(0xFFFFFBEB);
+  static const cardWhite = Color(0xFFFFFFFF);
+  static const textDark = Color(0xFF2D3748);
+  static const textMuted = Color(0xFFA0AEC0);
+  static const gold = Color(0xFFF6C90E);
+  static const gradientBlueStart = Color(0xFF6BB8FF);
+  static const gradientBlueEnd = Color(0xFF4A90D9);
+  static const gradientPinkStart = Color(0xFFFFB3C6);
+  static const gradientPinkEnd = Color(0xFFFF6B9D);
+
+  static const primary = primaryBlue;
+  static const primaryDark = Color(0xFF256FB8);
+  static const accent = Color(0xFFFF6B9D);
   static const warning = Color(0xFFD97706);
   static const danger = Color(0xFFDC2626);
   static const success = Color(0xFF059669);
-  static const surface = Color(0xFFF7FAFC);
-  static const surfaceRaised = Color(0xFFFFFFFF);
-  static const text = Color(0xFF0F172A);
-  static const muted = Color(0xFF64748B);
+  static const surface = softBlueBg;
+  static const surfaceRaised = cardWhite;
+  static const text = textDark;
+  static const muted = textMuted;
   static const border = Color(0xFFE2E8F0);
 }

walkguide-mobile/walkguide_app/lib/core/theme/app_decorations.dart

@@ -0,0 +1,74 @@
+import 'package:flutter/material.dart';
+
+import 'app_colors.dart';
+
+class AppDecorations {
+  static const cardRadius = BorderRadius.all(Radius.circular(20));
+  static const pillRadius = BorderRadius.all(Radius.circular(50));
+  static const inputRadius = BorderRadius.all(Radius.circular(14));
+  static const iconCircleSize = 44.0;
+
+  static const cardShadow = [
+    BoxShadow(
+      color: Color(0x14000000),
+      blurRadius: 20,
+      offset: Offset(0, 4),
+    ),
+  ];
+
+  static const avatarShadow = [
+    BoxShadow(
+      color: Color(0x18000000),
+      blurRadius: 18,
+      offset: Offset(0, 6),
+    ),
+  ];
+
+  static const blueGradient = LinearGradient(
+    colors: [AppColors.gradientBlueStart, AppColors.gradientBlueEnd],
+    begin: Alignment.topLeft,
+    end: Alignment.bottomRight,
+  );
+
+  static const pinkGradient = LinearGradient(
+    colors: [AppColors.gradientPinkStart, AppColors.gradientPinkEnd],
+    begin: Alignment.topLeft,
+    end: Alignment.bottomRight,
+  );
+
+  static const cardShape = RoundedRectangleBorder(
+    borderRadius: cardRadius,
+  );
+
+  static BoxDecoration get card => const BoxDecoration(
+        color: AppColors.cardWhite,
+        borderRadius: cardRadius,
+        boxShadow: cardShadow,
+      );
+
+  static BoxDecoration pillGradient({
+    Gradient gradient = blueGradient,
+  }) =>
+      BoxDecoration(
+        gradient: gradient,
+        borderRadius: pillRadius,
+      );
+
+  static BoxDecoration iconCircle({
+    Color color = AppColors.softBlueBg,
+  }) =>
+      BoxDecoration(
+        color: color,
+        borderRadius: pillRadius,
+      );
+
+  static BoxDecoration avatar({
+    Color borderColor = Colors.white,
+  }) =>
+      BoxDecoration(
+        shape: BoxShape.circle,
+        color: AppColors.cardWhite,
+        border: Border.all(color: borderColor, width: 3),
+        boxShadow: avatarShadow,
+      );
+}

walkguide-mobile/walkguide_app/lib/core/theme/app_text_styles.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+
+import 'app_colors.dart';
+
+class AppTextStyles {
+  static TextStyle get heading => GoogleFonts.poppins(
+        fontSize: 24,
+        fontWeight: FontWeight.w700,
+        color: AppColors.textDark,
+        letterSpacing: 0,
+        height: 1.2,
+      );
+
+  static TextStyle get subheading => GoogleFonts.poppins(
+        fontSize: 18,
+        fontWeight: FontWeight.w600,
+        color: AppColors.textDark,
+        letterSpacing: 0,
+        height: 1.25,
+      );
+
+  static TextStyle get body => GoogleFonts.poppins(
+        fontSize: 14,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textDark,
+        letterSpacing: 0,
+        height: 1.45,
+      );
+
+  static TextStyle get caption => GoogleFonts.poppins(
+        fontSize: 12,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textMuted,
+        letterSpacing: 0,
+        height: 1.35,
+      );
+
+  static TextTheme get textTheme => GoogleFonts.poppinsTextTheme().copyWith(
+        headlineSmall: heading,
+        titleMedium: subheading,
+        bodyMedium: body,
+        bodySmall: caption,
+        labelLarge: body.copyWith(fontWeight: FontWeight.w700),
+      );
+}