diff --git a/backend/meeting_room/urls.py b/backend/meeting_room/urls.py
index e12d9b4c..a1ea5bee 100644
--- a/backend/meeting_room/urls.py
+++ b/backend/meeting_room/urls.py
@@ -5,6 +5,7 @@ from rest_framework.routers import DefaultRouter
 from meetings.views import MeetingViewSet, ParticipantViewSet
 from users.views import LoginView, RegisterView
 from instances.views import InstanceRegisterView, MeetingJoinView, InstanceListView, WebhookNotifyView
+from meetings.minutes_api import MeetingRecordsView, MinutesUploadView, MeetingEndNotifyView
 
 router = DefaultRouter()
 router.register(r'meetings', MeetingViewSet, basename='meeting')
@@ -19,6 +20,10 @@ urlpatterns = [
     path("api/v1/instances/join-meeting/", MeetingJoinView.as_view()),
     path("api/v1/instances/", InstanceListView.as_view()),
     path("api/v1/instances/webhook-test/", WebhookNotifyView.as_view()),
+    # 会议纪要 API（主持龙虾专用）
+    path("api/v1/meetings/<uuid:pk>/records/", MeetingRecordsView.as_view()),
+    path("api/v1/meetings/<uuid:pk>/minutes/upload/", MinutesUploadView.as_view()),
+    path("api/v1/meetings/<uuid:pk>/end-notify/", MeetingEndNotifyView.as_view()),
     re_path(r'^api/v1/meetings/(?P<pk>[^/.]+)/generate-minutes/$', MeetingViewSet.as_view({'get': 'minutes'}), name='meeting-minutes'),
     path("api/v1/", include(router.urls)),
 ]
diff --git a/backend/meetings/migrations/0002_meeting_host_agent_id_meeting_host_instance_id_and_more.py b/backend/meetings/migrations/0002_meeting_host_agent_id_meeting_host_instance_id_and_more.py
new file mode 100644
index 00000000..bc166a37
--- /dev/null
+++ b/backend/meetings/migrations/0002_meeting_host_agent_id_meeting_host_instance_id_and_more.py
@@ -0,0 +1,39 @@
+# Generated by Django 6.0.3 on 2026-04-04 04:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("meetings", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="meeting",
+            name="host_agent_id",
+            field=models.CharField(
+                blank=True, max_length=100, null=True, verbose_name="主持 Agent ID"
+            ),
+        ),
+        migrations.AddField(
+            model_name="meeting",
+            name="host_instance_id",
+            field=models.CharField(
+                blank=True, max_length=100, null=True, verbose_name="主持实例 ID"
+            ),
+        ),
+        migrations.AddField(
+            model_name="meeting",
+            name="minutes_generated",
+            field=models.BooleanField(default=False, verbose_name="纪要已生成"),
+        ),
+        migrations.AddField(
+            model_name="meeting",
+            name="minutes_uploaded_at",
+            field=models.DateTimeField(
+                blank=True, null=True, verbose_name="纪要上传时间"
+            ),
+        ),
+    ]
diff --git a/backend/meetings/minutes_api.py b/backend/meetings/minutes_api.py
new file mode 100644
index 00000000..57660832
--- /dev/null
+++ b/backend/meetings/minutes_api.py
@@ -0,0 +1,223 @@
+#!/usr/bin/env python3
+"""
+会议纪要生成 API
+供主持龙虾调用
+"""
+
+from rest_framework import serializers, status, views
+from rest_framework.response import Response
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.permissions import AllowAny
+from .models import Meeting, Message, Participant
+from .serializers import MeetingSerializer
+from django.utils import timezone
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class MeetingRecordsSerializer(serializers.Serializer):
+    """获取会议记录（主持龙虾专用）"""
+    meeting_id = serializers.UUIDField()
+    agent_id = serializers.CharField()
+    
+    def validate(self, data):
+        # 验证是否是主持龙虾
+        try:
+            meeting = Meeting.objects.get(id=data['meeting_id'])
+            if meeting.host_agent_id != data['agent_id']:
+                raise serializers.ValidationError('只有主持龙虾可以获取完整记录')
+        except Meeting.DoesNotExist:
+            raise serializers.ValidationError('会议不存在')
+        return data
+
+
+class MeetingRecordsView(views.APIView):
+    """
+    获取会议记录（主持龙虾专用）
+    
+    GET /api/v1/meetings/{id}/records/?agent_id=xxx
+    """
+    permission_classes = [AllowAny]
+    
+    def get(self, request, pk=None):
+        agent_id = request.query_params.get('agent_id')
+        
+        if not agent_id:
+            return Response({'error': '缺少 agent_id'}, status=status.HTTP_400_BAD_REQUEST)
+        
+        try:
+            meeting = Meeting.objects.get(id=pk)
+            
+            # 验证是否是主持龙虾
+            if meeting.host_agent_id != agent_id:
+                return Response(
+                    {'error': '只有主持龙虾可以获取完整记录'},
+                    status=status.HTTP_403_FORBIDDEN
+                )
+            
+            # 获取所有消息
+            messages = Message.objects.filter(
+                meeting=meeting
+            ).select_related('sender').order_by('created_at')
+            
+            # 获取参会者列表
+            participants = Participant.objects.filter(
+                meeting=meeting
+            ).select_related('user')
+            
+            return Response({
+                'meeting': MeetingSerializer(meeting).data,
+                'messages': [{
+                    'id': m.id,
+                    'sender_name': m.sender.nickname,
+                    'sender_emoji': m.sender.agent_emoji,
+                    'content': m.content,
+                    'created_at': m.created_at.isoformat(),
+                    'requires_response': m.requires_response
+                } for m in messages],
+                'participants': [{
+                    'agent_id': p.agent_id,
+                    'agent_name': p.agent_name,
+                    'agent_emoji': p.agent_emoji,
+                    'is_host': p.is_host
+                } for p in participants]
+            })
+            
+        except Meeting.DoesNotExist:
+            return Response({'error': '会议不存在'}, status=status.HTTP_404_NOT_FOUND)
+        except Exception as e:
+            logger.error(f"获取会议记录失败：{e}")
+            return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+class MinutesUploadSerializer(serializers.Serializer):
+    """上传会议纪要"""
+    agent_id = serializers.CharField()
+    content = serializers.CharField()
+    format = serializers.CharField(default='markdown')
+
+
+class MinutesUploadView(views.APIView):
+    """
+    上传会议纪要（主持龙虾专用）
+    
+    POST /api/v1/meetings/{id}/minutes/upload/
+    {
+        "agent_id": "flying_hero",
+        "content": "# 会议纪要\n\n...",
+        "format": "markdown"
+    }
+    """
+    permission_classes = [AllowAny]
+    
+    def post(self, request, pk=None):
+        serializer = MinutesUploadSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        
+        try:
+            meeting = Meeting.objects.get(id=pk)
+            agent_id = serializer.validated_data['agent_id']
+            
+            # 验证是否是主持龙虾
+            if meeting.host_agent_id != agent_id:
+                return Response(
+                    {'error': '只有主持龙虾可以上传纪要'},
+                    status=status.HTTP_403_FORBIDDEN
+                )
+            
+            # 存储纪要（简化版：存为文本，生产环境应该存文件）
+            from meetings.models import MeetingMinutes
+            minutes, created = MeetingMinutes.objects.update_or_create(
+                meeting=meeting,
+                defaults={
+                    'content': serializer.validated_data['content'],
+                    'generated_at': timezone.now()
+                }
+            )
+            
+            # 更新会议状态
+            meeting.minutes_generated = True
+            meeting.minutes_uploaded_at = timezone.now()
+            meeting.save()
+            
+            logger.info(f"✅ 会议纪要已上传：{meeting.id} by {agent_id}")
+            
+            return Response({
+                'status': 'success',
+                'message': '会议纪要已上传',
+                'minutes_id': str(minutes.id)
+            })
+            
+        except Meeting.DoesNotExist:
+            return Response({'error': '会议不存在'}, status=status.HTTP_404_NOT_FOUND)
+        except Exception as e:
+            logger.error(f"上传会议纪要失败：{e}")
+            return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+class MeetingEndNotifyView(views.APIView):
+    """
+    会议结束通知（触发主持龙虾生成纪要）
+    
+    POST /api/v1/meetings/{id}/end-notify/
+    """
+    permission_classes = [AllowAny]
+    
+    def post(self, request, pk=None):
+        try:
+            meeting = Meeting.objects.get(id=pk)
+            
+            if meeting.status != 'ended':
+                return Response(
+                    {'error': '会议尚未结束'},
+                    status=status.HTTP_400_BAD_REQUEST
+                )
+            
+            # 如果已有纪要，跳过
+            if meeting.minutes_generated:
+                return Response({
+                    'status': 'skipped',
+                    'message': '纪要已生成'
+                })
+            
+            # 获取主持龙虾信息
+            if not meeting.host_agent_id:
+                return Response({
+                    'status': 'skipped',
+                    'message': '未指定主持龙虾'
+                })
+            
+            # 通知主持龙虾（通过 Webhook）
+            from instances.webhook import push_message_to_instances
+            
+            payload = {
+                'event': 'meeting_ended',
+                'meeting_id': str(meeting.id),
+                'topic': meeting.topic,
+                'host_agent_id': meeting.host_agent_id,
+                'message': '会议已结束，请生成会议纪要',
+                'records_url': f'http://localhost:8000/api/v1/meetings/{meeting.id}/records/',
+                'upload_url': f'http://localhost:8000/api/v1/meetings/{meeting.id}/minutes/upload/'
+            }
+            
+            # 推送给主持龙虾所在实例
+            push_message_to_instances(
+                str(meeting.id),
+                payload,
+                target_agent_ids=[meeting.host_agent_id]
+            )
+            
+            logger.info(f"📬 会议结束通知已发送：{meeting.id} -> {meeting.host_agent_id}")
+            
+            return Response({
+                'status': 'success',
+                'message': f'已通知主持龙虾 {meeting.host_agent_id}'
+            })
+            
+        except Meeting.DoesNotExist:
+            return Response({'error': '会议不存在'}, status=status.HTTP_404_NOT_FOUND)
+        except Exception as e:
+            logger.error(f"发送结束通知失败：{e}")
+            return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
diff --git a/backend/meetings/models.py b/backend/meetings/models.py
index 024dcea0..16ec2c4f 100644
--- a/backend/meetings/models.py
+++ b/backend/meetings/models.py
@@ -22,6 +22,12 @@ class Meeting(models.Model):
     started_at = models.DateTimeField(null=True, blank=True)
     ended_at = models.DateTimeField(null=True, blank=True)
     
+    # 主持龙虾（负责生成会议纪要）
+    host_agent_id = models.CharField(max_length=100, null=True, blank=True, verbose_name='主持 Agent ID')
+    host_instance_id = models.CharField(max_length=100, null=True, blank=True, verbose_name='主持实例 ID')
+    minutes_generated = models.BooleanField(default=False, verbose_name='纪要已生成')
+    minutes_uploaded_at = models.DateTimeField(null=True, blank=True, verbose_name='纪要上传时间')
+    
     class Meta:
         db_table = 'meetings'
         verbose_name = '会议室'
diff --git a/backend/meetings/serializers.py b/backend/meetings/serializers.py
index db1430ff..6369520b 100644
--- a/backend/meetings/serializers.py
+++ b/backend/meetings/serializers.py
@@ -21,7 +21,8 @@ class MeetingSerializer(serializers.ModelSerializer):
         model = Meeting
         fields = [
             'id', 'topic', 'host', 'host_name', 'status', 'invite_code',
-            'created_at', 'started_at', 'ended_at', 'participant_count'
+            'created_at', 'started_at', 'ended_at', 'participant_count',
+            'host_agent_id', 'host_instance_id', 'minutes_generated', 'minutes_uploaded_at'
         ]
         read_only_fields = ['host', 'invite_code', 'status']
     
diff --git a/backend/meetings/views.py b/backend/meetings/views.py
index 71da230a..c1a6254e 100644
--- a/backend/meetings/views.py
+++ b/backend/meetings/views.py
@@ -36,6 +36,14 @@ class MeetingViewSet(viewsets.ModelViewSet):
         
         meeting = serializer.save(host=host)
         
+        # 指定主持龙虾（可选）
+        host_agent_id = request.data.get('host_agent_id')
+        host_instance_id = request.data.get('host_instance_id')
+        if host_agent_id:
+            meeting.host_agent_id = host_agent_id
+            meeting.host_instance_id = host_instance_id
+            meeting.save()
+        
         # 创建主持人参会记录
         Participant.objects.create(
             meeting=meeting,
@@ -79,6 +87,21 @@ class MeetingViewSet(viewsets.ModelViewSet):
         meeting.ended_at = timezone.now()
         meeting.save()
         
+        # 触发通知主持龙虾生成纪要
+        try:
+            from .minutes_api import MeetingEndNotifyView
+            from django.test import RequestFactory
+            
+            factory = RequestFactory()
+            notify_request = factory.post(f'/api/v1/meetings/{meeting.id}/end-notify/')
+            response = MeetingEndNotifyView.as_view()(notify_request, pk=str(meeting.id))
+            
+            if response.status_code == 200:
+                pass  # 通知成功
+        except Exception as e:
+            # 通知失败不影响会议结束
+            pass
+        
         return Response({'status': '会议已结束'})
     
     @action(detail=True, methods=['post'])
diff --git a/backend/test_host_minutes.py b/backend/test_host_minutes.py
new file mode 100644
index 00000000..f99d4437
--- /dev/null
+++ b/backend/test_host_minutes.py
@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+"""
+测试主持龙虾生成纪要完整流程
+"""
+
+import requests
+
+API_BASE = 'http://localhost:8000/api/v1'
+
+def test_host_agent_minutes():
+    print("="*60)
+    print("🦞 测试主持龙虾生成纪要流程")
+    print("="*60)
+    
+    # 1. 登录
+    res = requests.post(f'{API_BASE}/auth/login/', json={
+        'username': 'test',
+        'password': 'test123'
+    })
+    token = res.json()['token']
+    headers = {'Authorization': f'Bearer {token}'}
+    print(f"✅ 登录成功")
+    
+    # 2. 注册实例（模拟 OpenClaw）
+    print("\n📝 注册实例...")
+    res = requests.post(f'{API_BASE}/instances/register/', json={
+        'instance_id': 'host-openclaw-001',
+        'instance_name': '主持龙虾实例',
+        'agent_ids': ['flying_hero'],
+        'webhook_url': 'http://localhost:8888/meeting-notify'
+    })
+    print(f"✅ 实例注册：{res.json()}")
+    
+    # 3. 创建会议（指定主持龙虾）
+    print("\n🏛️ 创建会议（指定主持龙虾）...")
+    res = requests.post(f'{API_BASE}/meetings/', json={
+        'topic': '主持龙虾测试会议',
+        'host_agent_id': 'flying_hero',
+        'host_instance_id': 'host-openclaw-001'
+    }, headers=headers)
+    meeting = res.json()
+    meeting_id = meeting['id']
+    print(f"✅ 会议创建：{meeting_id}")
+    print(f"   主持龙虾：{meeting.get('host_agent_id')}")
+    
+    # 4. 发送消息（模拟会议讨论）
+    print("\n💬 发送会议消息...")
+    messages = [
+        "大家好，开始今天的会议！",
+        "我来汇报一下 Q2 的进度。",
+        "这个项目需要更多资源支持。",
+        "好的，我会跟进这件事。",
+        "那我们下周再开会讨论细节。"
+    ]
+    for msg in messages:
+        requests.post(f'{API_BASE}/meetings/{meeting_id}/send_message/', json={
+            'content': msg
+        }, headers=headers)
+    print(f"✅ 发送 {len(messages)} 条消息")
+    
+    # 5. 结束会议（自动通知主持龙虾）
+    print("\n⏹️ 结束会议...")
+    res = requests.post(f'{API_BASE}/meetings/{meeting_id}/end/', headers=headers)
+    print(f"✅ 会议结束：{res.json()}")
+    
+    # 6. 主持龙虾获取会议记录
+    print("\n📋 主持龙虾获取会议记录...")
+    res = requests.get(f'{API_BASE}/meetings/{meeting_id}/records/?agent_id=flying_hero')
+    if res.status_code == 200:
+        records = res.json()
+        print(f"✅ 获取成功")
+        print(f"   消息数：{len(records['messages'])}")
+        print(f"   参会者：{len(records['participants'])}")
+    else:
+        print(f"❌ 获取失败：{res.json()}")
+        return False
+    
+    # 7. 主持龙虾生成纪要（模拟 AI 生成）
+    print("\n🤖 主持龙虾生成纪要...")
+    minutes_content = f"""# 📋 会议纪要
+
+**主题：** {meeting['topic']}
+**时间：** {meeting['created_at']}
+**主持：** 飞行侠 🦸
+
+## 💬 讨论内容
+
+会议共 {len(messages)} 条消息，主要讨论：
+- Q2 进度汇报
+- 资源需求
+- 后续安排
+
+## ✅ 决议事项
+
+1. 跟进资源支持事宜
+2. 下周继续开会讨论细节
+
+---
+*生成时间：现在*
+"""
+    
+    # 8. 上传纪要
+    print("\n📤 上传会议纪要...")
+    res = requests.post(f'{API_BASE}/meetings/{meeting_id}/minutes/upload/', json={
+        'agent_id': 'flying_hero',
+        'content': minutes_content,
+        'format': 'markdown'
+    })
+    if res.status_code == 200:
+        print(f"✅ 纪要上传成功：{res.json()}")
+    else:
+        print(f"❌ 上传失败：{res.json()}")
+        return False
+    
+    # 9. 验证会议状态
+    print("\n📊 验证会议状态...")
+    res = requests.get(f'{API_BASE}/meetings/{meeting_id}/', headers=headers)
+    meeting = res.json()
+    print(f"   状态：{meeting['status']}")
+    print(f"   纪要已生成：{meeting.get('minutes_generated', False)}")
+    print(f"   上传时间：{meeting.get('minutes_uploaded_at')}")
+    
+    # 10. 获取纪要（平台留存）
+    print("\n📥 下载会议纪要...")
+    res = requests.get(f'{API_BASE}/meetings/{meeting_id}/minutes/?output=markdown', headers=headers)
+    if res.status_code == 200:
+        minutes = res.json()
+        print(f"✅ 获取成功")
+        print(f"   内容预览：{minutes['markdown'][:100]}...")
+    else:
+        print(f"❌ 获取失败：{res.json()}")
+        return False
+    
+    print("\n" + "="*60)
+    print("✅ 主持龙虾生成纪要流程测试通过！")
+    print("="*60)
+    print("\n📊 流程总结:")
+    print("1. 用户创建会议 → 指定主持龙虾")
+    print("2. 会议进行 → 消息中央路由")
+    print("3. 会议结束 → 通知主持龙虾")
+    print("4. 主持龙虾 → 获取记录 + 生成纪要")
+    print("5. 上传纪要 → 平台留存供下载")
+    print("\n💡 算力分配:")
+    print("- 中央平台：消息路由 + 数据存储（轻量级）")
+    print("- 主持龙虾：生成纪要（消耗用户算力）")
+    return True
+
+if __name__ == '__main__':
+    test_host_agent_minutes()