feat(mobile-next): 迁移 Android 一对一语音通话薄适配与入口

复用官方 OpenIMLive 信令与房间，换票改走账号服务 /api/rtc_token；入口仅音频，占线/超时/重复回调与销毁释放由公司层防护。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

mobile-next/test/company/call_session_guard_test.dart

@@ -0,0 +1,65 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:openim/company/rtc/call_session_guard.dart';
+import 'package:openim/company/rtc/livekit_call_config.dart';
+
+void main() {
+  test('配置门：内网地址与换票路径齐全时才打开入口', () {
+    expect(LiveKitCallConfig.rtcTokenPath, '/api/rtc_token');
+    expect(LiveKitCallConfig.endpointsReady, isTrue);
+    expect(LiveKitCallConfig.enabled, LiveKitCallConfig.shipped);
+  });
+
+  test('占线时拒绝第二路呼出/呼入', () {
+    final guard = CallSessionGuard();
+    expect(guard.startOutgoing('room-a'), isNull);
+    expect(guard.startOutgoing('room-b'), 'busy');
+    expect(guard.startIncoming('room-c'), 'busy');
+    guard.dispose();
+    expect(guard.isBusy, isFalse);
+    expect(guard.startIncoming('room-d'), isNull);
+    guard.dispose();
+  });
+
+  test('同一房间同一信令只处理一次', () {
+    final guard = CallSessionGuard();
+    expect(guard.acceptSignaling(customType: 200, roomID: 'r1'), isTrue);
+    expect(guard.acceptSignaling(customType: 200, roomID: 'r1'), isFalse);
+    expect(guard.acceptSignaling(customType: 201, roomID: 'r1'), isTrue);
+    expect(guard.acceptSignaling(customType: 200, roomID: ''), isFalse);
+    guard.dispose();
+  });
+
+  test('接听后取消超时，销毁后释放计时器', () async {
+    var timedOut = false;
+    final guard = CallSessionGuard(inviteTimeout: const Duration(milliseconds: 40));
+    guard.onTimeout = () => timedOut = true;
+    guard.startOutgoing('room-t');
+    guard.markConnected();
+    await Future<void>.delayed(const Duration(milliseconds: 80));
+    expect(timedOut, isFalse);
+    expect(guard.phase, VoiceCallPhase.inCall);
+
+    guard.dispose();
+    expect(guard.phase, VoiceCallPhase.idle);
+    expect(guard.roomID, isNull);
+  });
+
+  test('呼出超时回调', () async {
+    var timedOut = false;
+    final guard = CallSessionGuard(inviteTimeout: const Duration(milliseconds: 30));
+    guard.onTimeout = () => timedOut = true;
+    guard.startOutgoing('room-t');
+    await Future<void>.delayed(const Duration(milliseconds: 80));
+    expect(timedOut, isTrue);
+    guard.dispose();
+  });
+
+  test('sameRoom 只认当前房间', () {
+    final guard = CallSessionGuard();
+    guard.startIncoming('room-1');
+    expect(guard.sameRoom('room-1'), isTrue);
+    expect(guard.sameRoom('room-2'), isFalse);
+    expect(guard.sameRoom(null), isFalse);
+    guard.dispose();
+  });
+}

mobile-next/test/company/rtc_token_mapper_test.dart

@@ -0,0 +1,71 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:openim/company/rtc/rtc_token_mapper.dart';
+
+void main() {
+  const fallback = 'ws://192.168.200.11:17880';
+
+  test('解析账号服务 token，缺 liveURL 时回落到配置地址', () {
+    final cred = RtcTokenMapper.parse(
+      {
+        'code': 0,
+        'msg': '',
+        'data': {'token': 'lk-token'},
+      },
+      fallbackLiveUrl: fallback,
+    );
+    expect(cred.token, 'lk-token');
+    expect(cred.liveURL, fallback);
+  });
+
+  test('兼容官方 serverUrl 字段', () {
+    final cred = RtcTokenMapper.parse(
+      {
+        'code': 0,
+        'data': {'token': 't', 'serverUrl': 'ws://live.example:7880'},
+      },
+      fallbackLiveUrl: fallback,
+    );
+    expect(cred.liveURL, 'ws://live.example:7880');
+  });
+
+  test('优先使用 liveURL', () {
+    final cred = RtcTokenMapper.parse(
+      {
+        'data': {
+          'token': 't',
+          'liveURL': 'ws://a:1',
+          'serverUrl': 'ws://b:2',
+        },
+      },
+      fallbackLiveUrl: fallback,
+    );
+    expect(cred.liveURL, 'ws://a:1');
+  });
+
+  test('业务失败码抛出服务端文案', () {
+    expect(
+      () => RtcTokenMapper.parse(
+        {'code': 1, 'msg': '语音通话服务未配置，请联系管理员'},
+        fallbackLiveUrl: fallback,
+      ),
+      throwsA(isA<FormatException>().having(
+        (e) => e.message,
+        'message',
+        '语音通话服务未配置，请联系管理员',
+      )),
+    );
+  });
+
+  test('缺 token 失败', () {
+    expect(
+      () => RtcTokenMapper.parse(
+        {
+          'code': 0,
+          'data': {'token': ''},
+        },
+        fallbackLiveUrl: fallback,
+      ),
+      throwsA(isA<FormatException>()),
+    );
+  });
+}