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wecom_it_smart_desk/docs/02-技术文档/技术架构/sequence-diagram.mermaid
T
Simon 44e77dcb0e chore(docs): docs/ 目录全面重新编号 + 重组
**重构前**(旧编号 02-11):
- docs/02-产品需求/      → 00 产品规划/PRD
- docs/03-技术架构/      → 01-05 子目录散落
- docs/04-原型设计/      → 01-02 产品设计(HTML 原型)
- docs/05-原型设计/      → screens/
- docs/06-测试素材/      → 02-E2E / 03-功能 / 04-版本测试
- docs/07-项目管理/      → 任务说明书/日报/计划
- docs/08-安全审计/      → 审计报告
- docs/09-堡垒运维/      → toolbox / deploy
- docs/10-项目管理/      → 任务说明书(重复)
- docs/11-历史归档/      → deploy-nas-archived

**重构后**(新编号 00-07,语义化):
- docs/00-产品开发流程与文档管理规范.md
- docs/00-版本迭代总览.md
- docs/01-产品文档/      (PRD/原型/认证/会话/AI 服务/坐席/集成)
- docs/02-技术文档/      (技术方案/架构图/重构记录/前端改造/实现配置)
- docs/03-测试文档/      (E2E/功能用例/版本报告/缺陷单)
- docs/04-运维文档/      (部署运维/运维指南)
- docs/05-运营文档/      (品牌推广/用户手册)
- docs/06-安全审计/      (审计报告)
- docs/07-项目管理/      (任务说明书/日报/计划/看板)

**净收益**:
- 目录编号与产品文档管理规范对齐(按文档阶段 01-07 编号)
- 消除 02-产品需求 与 10-项目管理 的编号重叠
- 子目录按文档类型分组(如 01-产品文档/00-产品规划、01-产品文档/01-认证与登录)
- 把运维/安全/项目管理从 0X 散落改为 04/06/07

合计 494 文件 + 78495 行 / - 14076 行
2026-08-03 18:46:55 +08:00

82 lines
3.9 KiB
Plaintext

sequenceDiagram
participant U as 坐席用户
participant UI as UserInfoBar.vue
participant CA as ChatArea.vue
participant Store as ConversationStore
participant API as message.ts API
participant BE as Backend API
participant DB as Database
Note over U,DB: ========== 阶段1:打开历史模式 ==========
U->>UI: 点击"历史会话"开关按钮
UI->>CA: $emit('toggle-history')
CA->>Store: enableHistoryMode()
Store->>Store: historyMode = true, historyLoading = true
Store->>API: getHistoryMessages(employeeId, {limit:50, current_conversation_id})
API->>BE: GET /api/employees/{employee_id}/history-messages?limit=50
BE->>DB: SELECT conversations WHERE employee_id=?
DB-->>BE: 会话ID列表 [conv1, conv2, conv3...]
BE->>DB: SELECT messages WHERE conversation_id IN (...) ORDER BY created_at DESC LIMIT 51
DB-->>BE: 消息列表 (50条 + 1条判断has_more)
BE->>DB: 对每个会话查首条employee消息, 取前20字
DB-->>BE: conversation_summaries {conv1:"摘要1", conv2:"摘要2"...}
BE-->>API: {items:[...], has_more:true, conversation_summaries:{...}}
API-->>Store: HistoryMessageListData
Store->>Store: historyMessages = items.reverse() (ASC排序)
Store->>Store: historyHasMore = has_more
Store->>Store: historyCursor = historyMessages[0].id
Store->>Store: historyConversationSummaries = conversation_summaries
Store->>Store: historyLoading = false
Store-->>CA: displayMessages 响应更新 (返回historyMessages)
CA->>CA: 渲染消息列表 + 插入ConversationSeparator
CA->>CA: 隐藏 ReplyBox + ReplySuggestArea (只读模式)
CA-->>U: 显示合并历史时间线
Note over U,DB: ========== 阶段2:向上滚动加载更多 ==========
U->>CA: 向上滚动到顶部
CA->>Store: loadMoreHistory()
Store->>Store: historyLoading = true
Store->>API: getHistoryMessages(employeeId, {limit:50, before:historyCursor})
API->>BE: GET /api/employees/{employee_id}/history-messages?limit=50&before={msgId}
BE->>DB: 获取before消息的created_at
BE->>DB: SELECT messages WHERE conv IN (...) AND created_at < before_time ORDER BY DESC LIMIT 51
DB-->>BE: 更旧的消息列表
BE->>DB: 对新涉及的会话查首条employee消息摘要
DB-->>BE: 补充 conversation_summaries
BE-->>API: {items:[...], has_more:false, conversation_summaries:{...}}
API-->>Store: HistoryMessageListData
Store->>Store: historyMessages = newItems.reverse() + historyMessages (前插)
Store->>Store: historyCursor = historyMessages[0].id (更新游标)
Store->>Store: historyHasMore = has_more
Store->>Store: merge conversation_summaries
Store->>Store: historyLoading = false
Store-->>CA: displayMessages 更新
CA-->>U: 显示更多历史消息 + 新分隔条
Note over U,DB: ========== 阶段3:关闭历史模式 ==========
U->>UI: 再次点击"历史会话"开关
UI->>CA: $emit('toggle-history')
CA->>Store: disableHistoryMode()
Store->>Store: historyMode = false
Store->>Store: 清空 historyMessages, historyCursor, historyConversationSummaries
Store-->>CA: displayMessages 返回 messages (正常数据源)
CA->>CA: 恢复 ReplyBox + ReplySuggestArea
CA-->>U: 显示当前会话正常消息
Note over U,DB: ========== 阶段4:切换会话自动重置 ==========
U->>CA: 点击左栏其他会话
CA->>Store: selectConversation(newConvId)
Store->>Store: resetHistoryState() — historyMode=false, 清空历史状态
Store->>Store: currentConversationId = newConvId
Store->>API: getMessages(newConvId, {limit:50})
API->>BE: GET /api/conversations/{newConvId}/messages?limit=50
BE-->>API: 正常消息列表
API-->>Store: MessageListData
Store->>Store: messages = data.items
Store-->>CA: displayMessages 返回 messages
CA-->>U: 显示新会话消息 (历史模式已关闭)