迁移 Flutter 端与训练脚本，模型/训练产物移出 git（遵循纯代码约定）

flutter_app/pubspec.yaml

@@ -0,0 +1,50 @@
+name: observer
+description: "视野 - 野生动物实时识别 (野鸡/生境), YOLOv8 + 充值付费"
+publish_to: 'none'
+
+version: 1.0.0+1
+
+environment:
+  sdk: ^3.12.2
+
+dependencies:
+  flutter:
+    sdk: flutter
+  cupertino_icons: ^1.0.8
+  camera: ^0.11.0
+  camera_android_camerax: ^0.6.6
+  camera_avfoundation: ^0.9.17
+  tflite_flutter: ^0.11.0
+  flutter_secure_storage: ^9.2.0
+  provider: ^6.1.0
+  permission_handler: ^11.3.0
+  vibration: ^2.0.0
+  audioplayers: ^6.1.0
+  fluwx: ^4.5.0
+  tobias: ^5.3.0
+  http: ^1.2.0
+  cupertino_http: ^3.0.2
+  wakelock_plus: ^1.2.0
+
+# 微信/支付宝原生 SDK 配置（占位值，与 lib/config/app_config.dart 一致；接入真实支付时替换。
+# 注意：fluwx 的 universal_link 占位符会被其 pod 脚本注入 Associated Domains，
+# 导致个人团队签名失败，故真实域名配置前不声明该项）
+fluwx:
+  app_id: wx0000000000000000
+
+tobias:
+  url_scheme: alipay0000000000
+  ios:
+    universal_link: https://YOUR_DOMAIN.com/alipay/
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^6.0.0
+
+flutter:
+  uses-material-design: true
+  assets:
+    - assets/model.tflite
+    - assets/labels.txt
+    - assets/beep.wav