feat: 2026-07-11 全量更新 - 代办集成+会议室预定+知识迭代修复+UI统一+Bug修复

== 已部署上线 (9项) ==
- 代办事项真实数据源集成 (企微审批API 8bug修复链)
- H5/坐席端 Logo样式统一+绿色背景
- 视频引导页修复 (localStorage key v2)
- 坐席端 v9 Vue版本修复 (ElMessage._context)
- 截图按钮 v10 修复 (getDisplayMedia user gesture)
- 扫码样式恢复+H5扫码登录跳转修复
- H5截图快捷键提示

== 代码完成待部署 (3项) ==
- 知识迭代3Bug修复 (#8 POST端点/#7 MERGE幂等/#6 过期检查)
- 会议室预定-小鱼易联终端 (40文件, 40/40测试通过)
- IT资产升级审批推送 (asset_service.py)

== 需求文档 (2项) ==
- 坐席端AI辅助消息框-PRD (4项新功能确认)
- 坐席端布局优化建议 v2.0 (7天计划)

== 新增文档 ==
- 日报-2026-07-11.md
- 知识迭代Bug修复报告-20260711.md
- 会议室预定-部署指南.md
- CHANGELOG.md 更新

== 测试 ==
- test_todo_integration.py: 40/40
- test_meetingroom.py: 40/40
- test_bugfix_ki_suggestions.py: 21/21

backend/tmp_create_test_conversation.py

@@ -0,0 +1,129 @@
+#!/usr/bin/env python3
+# 临时脚本：创建测试会话，包含主责坐席、协作坐席和被邀请员工，用于测试参与者双模式 UI
+import sys
+import asyncio
+from datetime import datetime
+from uuid import uuid4
+
+sys.path.insert(0, r'D:\资料\03-项目开发\wecom_it_smart_desk\backend')
+
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import select
+
+from app.database import Base
+from app.models.agent import Agent
+from app.models.conversation import Conversation
+from app.models.employee import Employee
+
+DB_URL = 'sqlite+aiosqlite:///D:/资料/03-项目开发/wecom_it_smart_desk/backend/it_smart_desk.db'
+
+async def get_or_create_agent(session, user_id, name, department='信息技术部'):
+    stmt = select(Agent).where(Agent.user_id == user_id)
+    result = await session.execute(stmt)
+    agent = result.scalars().first()
+    if agent:
+        return agent
+    agent = Agent(
+        id=str(uuid4()),
+        user_id=user_id,
+        name=name,
+        status='online',
+        current_load=0,
+        max_load=5,
+        created_at=datetime.now(),
+        updated_at=datetime.now(),
+        role='agent',
+        skill_tags=[],
+    )
+    session.add(agent)
+    return agent
+
+async def get_or_create_employee(session, employee_id, name, department='财务部'):
+    stmt = select(Employee).where(Employee.employee_id == employee_id)
+    result = await session.execute(stmt)
+    emp = result.scalars().first()
+    if emp:
+        return emp
+    emp = Employee(
+        id=str(uuid4()),
+        corp_id='wecom_corp_test',
+        employee_id=employee_id,
+        name=name,
+        department=department,
+        position='',
+        avatar='',
+        avatar_updated_at=datetime.utcnow(),
+    )
+    session.add(emp)
+    return emp
+
+async def main():
+    engine = create_async_engine(DB_URL, echo=False, future=True)
+    async_session = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+    
+    async with async_session() as session:
+        # 确保测试员工和坐席存在
+        await get_or_create_employee(session, 'dev-user-001', '张三', '财务部')
+        await get_or_create_employee(session, 'dev-user-002', '王五', '人事部')
+        primary_agent = await get_or_create_agent(session, 'dev-agent-001', '李四', '信息技术部')
+        collab_agent = await get_or_create_agent(session, 'dev-agent-002', '陈静', '信息技术部')
+        
+        # 修复现有所有会话的 tags 格式（应为 dict 而非 list）
+        stmt_all = select(Conversation)
+        result_all = await session.execute(stmt_all)
+        all_convs = result_all.scalars().all()
+        for c in all_convs:
+            if not isinstance(c.tags, dict):
+                c.tags = {}
+                print(f'修复会话 {c.id} 的 tags 格式为 dict')
+        
+        # 创建或更新测试会话（给 conv-002 添加参与者，当前会话就是它）
+        stmt = select(Conversation).where(Conversation.id == 'conv-002')
+        result = await session.execute(stmt)
+        conv = result.scalars().first()
+        if conv:
+            print(f'给 conv-002 添加参与者信息')
+            conv.assigned_agent_id = primary_agent.user_id
+            conv.collaborating_agent_ids = [collab_agent.user_id]
+            conv.participants = [
+                {'id': 'dev-user-002', 'name': '王五', 'department': '人事部', 'type': 'employee', 'joined': True},
+            ]
+            conv.status = 'serving'
+            conv.tags = {}
+            conv.updated_at = datetime.now()
+        else:
+            conv = Conversation(
+                id=str(uuid4()),
+                corp_id='wecom_corp_test',
+                employee_id='dev-user-001',
+                employee_name='张三',
+                department='财务部',
+                position='',
+                level='',
+                status='serving',
+                is_vip=False,
+                is_pinned=False,
+                is_todo=False,
+                urgency_score=3,
+                tags={},
+                assigned_agent_id=primary_agent.user_id,
+                collaborating_agent_ids=[collab_agent.user_id],
+                participants=[
+                    {'id': 'dev-user-002', 'name': '王五', 'department': '人事部', 'type': 'employee', 'joined': True},
+                ],
+                ai_substantive_reply_count=0,
+                impact_scope=0,
+                is_blocking=False,
+                emotion_state='normal',
+                created_at=datetime.now(),
+                updated_at=datetime.now(),
+                last_message_at=datetime.now(),
+            )
+            session.add(conv)
+            print(f'测试会话创建成功: id={conv.id}')
+        
+        await session.commit()
+
+if __name__ == '__main__':
+    asyncio.run(main())