fix: P0-1 RateLimiter并发写安全 + P0-2工单操作错误码区分 + P1 rows.Close修复
P0-1 (limits.go): Allow()方法改为全程使用写锁保护counters map读写,避免RLock写入时的data race P0-2 (ticket_workflow.go+ticket_handler.go): Assign/Resolve/Close操作先查询ticket存在性和状态,返回明确的CS_TICKET_4001/CS_TKT_4002/CS_TICKET_4092/CS_TICKET_4093错误码,handler根据错误前缀路由HTTP状态码 P1-1 (ticket_store.go): 移除GetStats中3处手动rows.Close(),只保留defer Close()
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prd/TICKET_OPERATIONS_SOP.md
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prd/TICKET_OPERATIONS_SOP.md
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# 工单运营闭环 SOP
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> 版本:v1.0 | 状态:已生效
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> 关联:tech/INTERFACE.md、PRODUCTION_PHASE1_STATUS.md
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---
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## 1. 工单生命周期
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```
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用户触发转人工
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→ [待落地] 工单创建(含排队位置)
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→ 客服接单(assign)
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→ 客服处理
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→ 客服解决(resolve)
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→ [待明确] 工单关闭(close?)
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→ 用户满意度反馈(可选)
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```
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---
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## 2. 各状态定义
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| 状态 | 含义 | 触发条件 | 当前是否落地 |
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|------|------|----------|--------------|
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| `open` | 待接单 | 转人工触发工单创建 | ✅ 已落地 |
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| `assigned` | 已分配 | 客服主动接单或系统分配 | ✅ 已落地 |
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| `resolved` | 已解决 | 客服处理完毕 | ✅ 已落地 |
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| `closed` | 已关闭 | 显式调用 close 接口 | ✅ 已落地(`TicketWorkflowStore.Close`) |
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---
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## 3. 触发转人工的条件
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### 3.1 自动转人工(系统触发)
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以下意图识别结果会**自动创建工单**(代码:`internal/service/dialog/service.go`):
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- 退款请求(intent = refund / 退款)
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- 敏感内容(intent.sensitive = true)
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### 3.2 手动转人工
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- 用户发送"人工客服"、"转人工"等关键词(需 RAG 识别后触发)
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- 会话 turnCount 超过阈值(待实现)
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---
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## 4. 工单创建流程
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### 4.1 当前已落地(最小闭环)
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**接口**:`POST /api/v1/customer-service/sessions/{session_id}/handoff`
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**代码**:`internal/service/dialog/service.go` → `handoff_service.CreateTicket`
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**流程**:
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1. 对话服务检测到需要转人工
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2. 创建 ticket 记录(session_id, user_id, priority, handoff_reason)
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3. ticket 状态 = `open`
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4. 触发审计日志写入
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**缺失项**:
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- 工单创建时**未记录上下文快照**(`context_snapshot` 字段为空)
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- 排队位置**未实现**(用户无法查询前面还有多少人)
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- 工单创建**未主动通知**客服(无消息推送链路)
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### 4.2 待落地项
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| 缺失项 | 优先级 | 说明 |
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|--------|--------|------|
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| 工单创建时上下文快照 | P0 | 用于客服接手时了解会话历史 |
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| 排队位置查询 API | P1 | `GET /tickets/queue-position` |
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| 客服新工单通知 | P1 | 飞书/邮件/站内信通知 |
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| 客服回复用户链路 | P1 | 人工消息推送回用户 |
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---
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## 5. 工单分配流程
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### 5.1 已落地
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**接口**:`POST /api/v1/customer-service/tickets/{id}/assign?agent_id={agent_id}`
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**代码**:`internal/http/handlers/ticket_handler.go` → `POST /tickets/{id}/assign`
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**流程**:
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1. 客服调用 assign 接口
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2. 更新 ticket.status = `assigned`,ticket.assigned_to = agent_id
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3. 写入审计日志(✅ 已落地:调用 `TicketWorkflowStore.writeAudit`)
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**缺失项**:
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- 工单状态流转审计 ✅ 已落地(`TicketWorkflowStore.writeAudit` 在 assign 时调用)
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---
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## 6. 工单解决流程
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### 6.1 已落地
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**接口**:`POST /api/v1/customer-service/tickets/{id}/resolve?resolution={resolution}`
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**流程**:
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1. 客服处理完毕后调用 resolve
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2. 更新 ticket.status = `resolved`,ticket.resolution = resolution
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3. 写入审计日志(✅ 已落地:调用 `TicketWorkflowStore.writeAudit`)
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**缺失项**:
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- 工单状态流转审计 ✅ 已落地(`TicketWorkflowStore.writeAudit` 在 resolve 时调用)
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---
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## 7. 工单关闭流程
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### 7.1 当前状态
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**已落地**:`TicketWorkflowStore.Close` 接口已实现,支持显式关闭工单。
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**语义定义**:
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- `resolve` = 客服确认问题已解决,工单进入 `resolved` 状态
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- `close` = 工单正式关闭,进入 `closed` 状态(resolved 后可选调用)
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- 已解决工单(resolved)可直接 close;未解决工单也可强制 close
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---
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## 8. 客服工作台操作规范(API 层)
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### 8.1 班次开始
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1. 调用 `GET /api/v1/customer-service/tickets?status=open` 查看当前待接单工单
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2. 按 priority( P1 > P2 > P3)和创建时间排序
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### 8.2 接单
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```bash
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curl -X POST "https://{host}/api/v1/customer-service/tickets/{ticket_id}/assign?agent_id={agent_id}"
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```
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成功后工单状态变为 `assigned`
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### 8.3 处理与解决
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```bash
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curl -X POST "https://{host}/api/v1/customer-service/tickets/{ticket_id}/resolve?resolution={解决说明}"
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```
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### 8.4 工单列表查询
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```bash
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# 查看所有 open 工单
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curl "https://{host}/api/v1/customer-service/tickets?status=open"
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# 查看指定客服的工单
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curl "https://{host}/api/v1/customer-service/tickets?assigned_to={agent_id}"
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# 查看统计
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curl "https://{host}/api/v1/customer-service/tickets/stats"
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```
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---
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## 9. 用户侧体验
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### 9.1 转人工后用户感知
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**当前已落地**:用户发送敏感/退款意图 → 收到机器人回复"已为您转接人工客服,请稍候"
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**待落地**:
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- 排队位置(如"前面还有 3 位在等待")
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- 人工客服接单通知
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- 人工处理进度更新
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- 解决后的满意度评价
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---
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## 10. SOP 执行检查单
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### 客服班次检查
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- [ ] 登录运营后台,查看当前 open 工单数量
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- [ ] 按 P1优先原则接单
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- [ ] 处理完毕后调用 resolve 接口
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- [ ] 如遇无法解决的工单,升级 Team Lead
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### 异常处理
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- [ ] 工单 assign 后长时间(> 2h)未 resolve → 系统告警(待实现)/ 人工巡检
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- [ ] 同一用户连续创建 > 3 个 open 工单 → 异常标记,人工复核
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- [ ] 工单创建失败(服务异常) → 降级:保留内存记录 → 恢复后补录
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---
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## 11. 当前版本状态
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- **本文档版本**:v1.0
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- **生效日期**:2026-04-30
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- **下次审查**:灰度阶段复盘
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