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/android/app/build.gradle

@@ -7,6 +7,7 @@ plugins {
 android {
     namespace 'com.showen.flutter'
     compileSdk flutter.compileSdkVersion
+    ndkVersion = "28.2.13676358"
 
     defaultConfig {
         applicationId 'com.showen.flutter'

clients/flutter/android/app/src/main/AndroidManifest.xml

@@ -8,6 +8,8 @@
     <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
 
     <application
         android:label="ShowenV2"

clients/flutter/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java

@@ -15,11 +15,31 @@ import io.flutter.embedding.engine.FlutterEngine;
 public final class GeneratedPluginRegistrant {
   private static final String TAG = "GeneratedPluginRegistrant";
   public static void registerWith(@NonNull FlutterEngine flutterEngine) {
+    try {
+      flutterEngine.getPlugins().add(new xyz.luan.audioplayers.AudioplayersPlugin());
+    } catch (Exception e) {
+      Log.e(TAG, "Error registering plugin audioplayers_android, xyz.luan.audioplayers.AudioplayersPlugin", e);
+    }
     try {
       flutterEngine.getPlugins().add(new com.lib.flutter_blue_plus.FlutterBluePlusPlugin());
     } catch (Exception e) {
       Log.e(TAG, "Error registering plugin flutter_blue_plus_android, com.lib.flutter_blue_plus.FlutterBluePlusPlugin", e);
     }
+    try {
+      flutterEngine.getPlugins().add(new com.github.dart_lang.jni.JniPlugin());
+    } catch (Exception e) {
+      Log.e(TAG, "Error registering plugin jni, com.github.dart_lang.jni.JniPlugin", e);
+    }
+    try {
+      flutterEngine.getPlugins().add(new com.github.dart_lang.jni_flutter.JniFlutterPlugin());
+    } catch (Exception e) {
+      Log.e(TAG, "Error registering plugin jni_flutter, com.github.dart_lang.jni_flutter.JniFlutterPlugin", e);
+    }
+    try {
+      flutterEngine.getPlugins().add(new com.llfbandit.record.RecordPlugin());
+    } catch (Exception e) {
+      Log.e(TAG, "Error registering plugin record_android, com.llfbandit.record.RecordPlugin", e);
+    }
     try {
       flutterEngine.getPlugins().add(new io.flutter.plugins.sharedpreferences.SharedPreferencesPlugin());
     } catch (Exception e) {