更新 API 路由，添加获取所有代理、心跳、锁和会议的端点；修改会议队列和前端请求处理；新增前端完整测试脚本。

.doc/cache/heartbeats.json

@@ -1,10 +1,10 @@
 {
   "claude-001": {
     "agent_id": "claude-001",
-    "last_heartbeat": "2026-03-05T10:31:09.197892",
+    "last_heartbeat": "2026-03-09T18:23:29.886176",
     "status": "idle",
     "current_task": "",
-    "progress": 100
+    "progress": 0
   },
   "kimi-002": {
     "agent_id": "kimi-002",
@@ -47,5 +47,19 @@
     "status": "waiting",
     "current_task": "等待会议: meeting-002",
     "progress": 0
+  },
+  "kimi-001": {
+    "agent_id": "kimi-001",
+    "last_heartbeat": "2026-03-09T18:23:33.415851",
+    "status": "idle",
+    "current_task": "",
+    "progress": 0
+  },
+  "opencode-001": {
+    "agent_id": "opencode-001",
+    "last_heartbeat": "2026-03-09T18:23:34.321019",
+    "status": "idle",
+    "current_task": "",
+    "progress": 0
   }
 }

.doc/cache/meeting_queue.json

@@ -35,16 +35,15 @@
     "meeting_id": "test-meeting-001",
     "title": "测试会议",
     "expected_attendees": [
-      "agent-001",
-      "agent-002"
+      "claude-001",
+      "kimi-001"
     ],
     "arrived_attendees": [
-      "agent-001",
-      "agent-002"
+      "claude-001"
     ],
-    "status": "ended",
-    "created_at": "2026-03-09T09:28:05.309297",
-    "started_at": "2026-03-09T09:28:05.357846",
+    "status": "waiting",
+    "created_at": "2026-03-09T18:05:28.657165",
+    "started_at": "",
     "min_required": 2
   },
   "meeting-001": {