feat: M2.1 客户端骨架、BLE 修复、仓库整理与现状板

- BLE: 修复 BlueZ LocalName 与 Includes 冲突，串行注册与退避
- HTTP: 语音对话补 Live2D talking 标志与 session；Web 补 X-Session-Id
- Flutter: 角色/对话/模型页 + API，Gradle/依赖升级，麦克风权限
- 文档: 新增 docs/STATUS.md，校准 CLAUDE/PROGRESS/README
- 清理: 移除根目录截图与临时模型，运维脚本迁入 scripts/device

clients/flutter/pubspec.yaml

@@ -2,7 +2,7 @@ name: showen_v2_flutter
 description: ShowenV2 cross-platform mobile controller.
 publish_to: 'none'
 
-version: 0.1.0+1
+version: 0.4.0+4
 
 environment:
   sdk: '>=3.3.0 <4.0.0'
@@ -17,6 +17,9 @@ dependencies:
   provider: ^6.1.2
   web_socket_channel: ^3.0.1
   shared_preferences: ^2.3.0
+  record: ^6.0.0
+  audioplayers: ^6.1.0
+  path_provider: ^2.1.5
 
 dev_dependencies:
   flutter_test: