feat: app 端 ui 设计完成

wei_ai_app/lib/models/character.dart

@@ -0,0 +1,23 @@
+class Character {
+  final String id;
+  final String name;
+  final String tagline;
+  final String avatar;
+  final String description;
+  final List<String> tags;
+  final double compatibility; // 硬件契合度 %
+  final String status; // 'online' | 'busy' | 'offline'
+  final bool isLocked;
+
+  const Character({
+    required this.id,
+    required this.name,
+    required this.tagline,
+    required this.avatar,
+    required this.description,
+    required this.tags,
+    required this.compatibility,
+    required this.status,
+    this.isLocked = false,
+  });
+}

wei_ai_app/lib/models/device_status.dart

@@ -0,0 +1,33 @@
+enum DeviceMode { idle, pattern, manual }
+
+class DeviceStatus {
+  final bool connected;
+  final double battery;
+  final double temperature;
+  final int signalStrength;
+  final DeviceMode currentMode;
+
+  const DeviceStatus({
+    this.connected = false,
+    this.battery = 100.0,
+    this.temperature = 36.5,
+    this.signalStrength = 0,
+    this.currentMode = DeviceMode.idle,
+  });
+
+  DeviceStatus copyWith({
+    bool? connected,
+    double? battery,
+    double? temperature,
+    int? signalStrength,
+    DeviceMode? currentMode,
+  }) {
+    return DeviceStatus(
+      connected: connected ?? this.connected,
+      battery: battery ?? this.battery,
+      temperature: temperature ?? this.temperature,
+      signalStrength: signalStrength ?? this.signalStrength,
+      currentMode: currentMode ?? this.currentMode,
+    );
+  }
+}

wei_ai_app/lib/models/message.dart

@@ -0,0 +1,22 @@
+enum MessageType { text, image, audio }
+enum MessageSender { user, ai }
+
+class Message {
+  final String id;
+  final String text;
+  final MessageSender sender;
+  final MessageType type;
+  final DateTime timestamp;
+  final String? imageUrl;
+  final bool isLocked;
+
+  const Message({
+    required this.id,
+    required this.text,
+    required this.sender,
+    required this.type,
+    required this.timestamp,
+    this.imageUrl,
+    this.isLocked = false,
+  });
+}

wei_ai_app/lib/models/scenario.dart

@@ -0,0 +1,21 @@
+class Scenario {
+  final String id;
+  final String title;
+  final String category;
+  final String cover;
+  final String duration;
+  final String intensity; // 'Low' | 'Medium' | 'High' | 'Extreme'
+  final bool isLocked;
+  final List<String> tags;
+
+  const Scenario({
+    required this.id,
+    required this.title,
+    required this.category,
+    required this.cover,
+    required this.duration,
+    required this.intensity,
+    required this.isLocked,
+    required this.tags,
+  });
+}