v3.1 + 批次0: 智能回复重构基线 - ApprovalMatcher + 关键词降级 + 文档速修 + v4.0任务书面化
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Simon
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# 代办事项时序图
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## 1. 代办列表查询流程
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```mermaid
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sequenceDiagram
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participant FE as 前端 TodoPanel
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participant API as GET /api/todo-items
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participant Agg as TodoAggregatorService
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participant Cache as Redis Cache
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participant Appr as ApprovalTodoService
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participant Wecom as 企微审批API
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participant ITSM as ITSMService
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participant ITSM_API as ITSM OpenAPI
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participant U as 坐席用户
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participant UI as UserInfoBar.vue
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participant CA as ChatArea.vue
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participant Store as ConversationStore
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participant API as message.ts API
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participant BE as Backend API
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participant DB as Database
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FE->>API: GET /api/todo-items?type=approval
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API->>Agg: get_todo_list(agent_userid, type="approval")
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Agg->>Cache: GET todo:cache:{userid}:approval
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alt 缓存命中
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Cache-->>Agg: cached_data
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Agg-->>API: {items, total, cached:true}
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else 缓存未命中
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Agg->>Agg: asyncio.gather(approval_svc, itsm_svc, return_exceptions=True)
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par 并行查询审批
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Agg->>Appr: get_todo_list()
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Appr->>Wecom: getapprovaldata(sp_status=1, templates=18)
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Wecom-->>Appr: sp_no_list
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Appr->>Appr: asyncio.gather(getapprovaldetail × N)
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loop 每个sp_no并发获取详情
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Appr->>Wecom: getapprovaldetail(sp_no)
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Wecom-->>Appr: approval_detail
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end
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Appr->>Appr: _filter_by_current_approver(details)
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Appr->>Appr: _map_to_todo_item(detail)
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Appr-->>Agg: List[TodoItemData]
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and 并行查询工单
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Agg->>ITSM: get_todo_list()
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Note over ITSM: ITSM列表API待实现<br/>当前返回空列表+日志告警
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ITSM-->>Agg: List[TodoItemData] (空)
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end
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Agg->>Agg: merge + sort by priority
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Agg->>Cache: SET todo:cache:{userid}:approval TTL=45s
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Agg-->>API: {items, total, cached:false}
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end
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API-->>FE: {code:0, data:{items, total}}
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```
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Note over U,DB: ========== 阶段1：打开历史模式 ==========
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## 2. 代办详情查询流程
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U->>UI: 点击"历史会话"开关按钮
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UI->>CA: $emit('toggle-history')
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CA->>Store: enableHistoryMode()
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Store->>Store: historyMode = true, historyLoading = true
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Store->>API: getHistoryMessages(employeeId, {limit:50, current_conversation_id})
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API->>BE: GET /api/employees/{employee_id}/history-messages?limit=50
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BE->>DB: SELECT conversations WHERE employee_id=?
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DB-->>BE: 会话ID列表 [conv1, conv2, conv3...]
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BE->>DB: SELECT messages WHERE conversation_id IN (...) ORDER BY created_at DESC LIMIT 51
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DB-->>BE: 消息列表 (50条 + 1条判断has_more)
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BE->>DB: 对每个会话查首条employee消息, 取前20字
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DB-->>BE: conversation_summaries {conv1:"摘要1", conv2:"摘要2"...}
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BE-->>API: {items:[...], has_more:true, conversation_summaries:{...}}
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API-->>Store: HistoryMessageListData
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Store->>Store: historyMessages = items.reverse() (ASC排序)
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Store->>Store: historyHasMore = has_more
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Store->>Store: historyCursor = historyMessages[0].id
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Store->>Store: historyConversationSummaries = conversation_summaries
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Store->>Store: historyLoading = false
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Store-->>CA: displayMessages 响应更新 (返回historyMessages)
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CA->>CA: 渲染消息列表 + 插入ConversationSeparator
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CA->>CA: 隐藏 ReplyBox + ReplySuggestArea (只读模式)
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CA-->>U: 显示合并历史时间线
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```mermaid
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sequenceDiagram
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participant FE as 前端 TaskDetailView
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participant API as GET /api/todo-items/{id}
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participant Agg as TodoAggregatorService
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participant Appr as ApprovalTodoService
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participant ITSM as ITSMService
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participant Wecom as 企微审批API
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participant ITSM_API as ITSM OpenAPI
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Note over U,DB: ========== 阶段2：向上滚动加载更多 ==========
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FE->>API: GET /api/todo-items/approval:{sp_no}
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API->>Agg: get_todo_detail(agent_userid, item_id, todo_type="approval")
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alt type == "approval"
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Agg->>Appr: get_todo_detail(sp_no)
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Appr->>Wecom: getapprovaldetail(sp_no)
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Wecom-->>Appr: approval_detail
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Appr->>Appr: _map_to_todo_item(detail)
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Appr-->>Agg: TodoItemData
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else type == "ticket"
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Agg->>ITSM: get_todo_detail(workitem_id)
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ITSM->>ITSM_API: POST /openapi/v1/process/workitem/detail
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ITSM_API-->>ITSM: {code:20000, data:{workitem_detail}}
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ITSM->>ITSM: _map_to_todo_item(detail)
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ITSM-->>Agg: TodoItemData
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end
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Agg-->>API: TodoItemData
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API-->>FE: {code:0, data:{item}}
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```
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U->>CA: 向上滚动到顶部
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CA->>Store: loadMoreHistory()
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Store->>Store: historyLoading = true
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Store->>API: getHistoryMessages(employeeId, {limit:50, before:historyCursor})
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API->>BE: GET /api/employees/{employee_id}/history-messages?limit=50&before={msgId}
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BE->>DB: 获取before消息的created_at
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BE->>DB: SELECT messages WHERE conv IN (...) AND created_at < before_time ORDER BY DESC LIMIT 51
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DB-->>BE: 更旧的消息列表
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BE->>DB: 对新涉及的会话查首条employee消息摘要
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DB-->>BE: 补充 conversation_summaries
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BE-->>API: {items:[...], has_more:false, conversation_summaries:{...}}
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API-->>Store: HistoryMessageListData
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Store->>Store: historyMessages = newItems.reverse() + historyMessages (前插)
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Store->>Store: historyCursor = historyMessages[0].id (更新游标)
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Store->>Store: historyHasMore = has_more
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Store->>Store: merge conversation_summaries
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Store->>Store: historyLoading = false
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Store-->>CA: displayMessages 更新
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CA-->>U: 显示更多历史消息 + 新分隔条
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## 3. ITSM 签名认证流程
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Note over U,DB: ========== 阶段3：关闭历史模式 ==========
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```mermaid
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sequenceDiagram
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participant Svc as ITSMService
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participant Signer as ITSMSigner
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participant API as ITSM OpenAPI
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U->>UI: 再次点击"历史会话"开关
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UI->>CA: $emit('toggle-history')
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CA->>Store: disableHistoryMode()
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Store->>Store: historyMode = false
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Store->>Store: 清空 historyMessages, historyCursor, historyConversationSummaries
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Store-->>CA: displayMessages 返回 messages (正常数据源)
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CA->>CA: 恢复 ReplyBox + ReplySuggestArea
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CA-->>U: 显示当前会话正常消息
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Svc->>Svc: timestamp = str(int(time.time()*1000))
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Svc->>Signer: compute_signature(app_id, timestamp, app_secret, biz_data)
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Signer->>Signer: sign_params = {appId, timestamp, appSecret, bizData}
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Signer->>Signer: sort by key ASC
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Signer->>Signer: concat all values → canonicalized_str
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Signer->>Signer: quote_plus(canonicalized_str)
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Signer->>Signer: sha1(q2).hexdigest().upper()
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Signer-->>Svc: sign_str
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Svc->>API: POST url, headers={appId, timestamp, sign}, json=body
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API-->>Svc: {code:20000, data:{...}}
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```
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Note over U,DB: ========== 阶段4：切换会话自动重置 ==========
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U->>CA: 点击左栏其他会话
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CA->>Store: selectConversation(newConvId)
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Store->>Store: resetHistoryState() — historyMode=false, 清空历史状态
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Store->>Store: currentConversationId = newConvId
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Store->>API: getMessages(newConvId, {limit:50})
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API->>BE: GET /api/conversations/{newConvId}/messages?limit=50
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BE-->>API: 正常消息列表
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API-->>Store: MessageListData
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Store->>Store: messages = data.items
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Store-->>CA: displayMessages 返回 messages
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CA-->>U: 显示新会话消息 (历史模式已关闭)
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