docs: 更新 Phase 13 话术流程引擎进度文档 [AC-AISVC-71~AC-AISVC-77]
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## 🔄 Current Phase
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### Goal
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Phase 14 输出护栏核心功能已完成 (T14.1-T14.7),T14.8(单元测试)留到集成阶段。
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Phase 13 话术流程引擎核心功能已完成 (T13.1-T13.6),T13.7(单元测试)留到集成阶段。下一阶段:Phase 15 智能 RAG 增强与编排升级。
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### Completed Tasks (Phase 14)
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### Completed Tasks (Phase 13)
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- [x] T14.1 定义 `ForbiddenWord` 和 `BehaviorRule` SQLModel 实体,创建数据库表 `[AC-AISVC-78, AC-AISVC-84]` ✅
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- [x] T14.2 实现 `ForbiddenWordService`:禁词 CRUD + 命中统计 `[AC-AISVC-78, AC-AISVC-79, AC-AISVC-80, AC-AISVC-81]` ✅
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- [x] T14.3 实现 `BehaviorRuleService`:行为规则 CRUD `[AC-AISVC-84, AC-AISVC-85]` ✅
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- [x] T14.4 实现 `InputScanner`:用户输入前置禁词检测(仅记录,不阻断) `[AC-AISVC-83]` ✅
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- [x] T14.5 实现 `OutputFilter`:LLM 输出后置过滤(mask/replace/block 三种策略) `[AC-AISVC-82]` ✅
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- [x] T14.6 实现 Streaming 模式下的滑动窗口禁词检测 `[AC-AISVC-82]` ✅
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- [x] T14.7 实现护栏管理 API:`/admin/guardrails` 相关端点 `[AC-AISVC-78~AC-AISVC-85]` ✅
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- [x] T13.1 定义 `ScriptFlow` 和 `FlowInstance` SQLModel 实体,创建数据库表 `[AC-AISVC-71, AC-AISVC-74]` ✅
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- [x] T13.2 实现 `ScriptFlowService`:流程定义 CRUD `[AC-AISVC-71, AC-AISVC-72, AC-AISVC-73]` ✅
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- [x] T13.3 实现 `FlowEngine.check_active_flow()`:检查会话是否有活跃流程实例 `[AC-AISVC-75]` ✅
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- [x] T13.4 实现 `FlowEngine.start()`:创建流程实例,返回第一步话术 `[AC-AISVC-74]` ✅
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- [x] T13.5 实现 `FlowEngine.advance()`:根据用户输入匹配条件,推进步骤或重复当前步骤 `[AC-AISVC-75, AC-AISVC-76]` ✅
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- [x] T13.6 实现话术流程管理 API:`POST/GET/PUT /admin/script-flows` `[AC-AISVC-71, AC-AISVC-72, AC-AISVC-73]` ✅
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### Pending Tasks (Phase 14 - 集成阶段)
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### Pending Tasks (Phase 13 - 集成阶段)
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- [ ] T14.8 编写输出护栏服务单元测试 `[AC-AISVC-78~AC-AISVC-85]`
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- [ ] T13.7 编写话术流程引擎单元测试 `[AC-AISVC-71~AC-AISVC-77]`
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---
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@ -69,8 +68,9 @@ Phase 14 输出护栏核心功能已完成 (T14.1-T14.7),T14.8(单元测试
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- `app/`
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- `api/` - FastAPI 路由层
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- `admin/guardrails.py` - 护栏管理 API ✅
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- `admin/script_flows.py` - 话术流程管理 API ✅
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- `models/` - Pydantic 模型和 SQLModel 实体
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- `entities.py` - ForbiddenWord, BehaviorRule, GuardrailResult, InputScanResult 实体 ✅
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- `entities.py` - ForbiddenWord, BehaviorRule, GuardrailResult, InputScanResult, ScriptFlow, FlowInstance, FlowInstanceStatus, TimeoutAction, FlowStep, FlowAdvanceResult 实体 ✅
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- `services/`
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- `guardrail/` - 输出护栏服务 ✅
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- `__init__.py` - 模块导出
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@ -79,6 +79,10 @@ Phase 14 输出护栏核心功能已完成 (T14.1-T14.7),T14.8(单元测试
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- `input_scanner.py` - 用户输入前置检测(仅记录,不阻断)
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- `output_filter.py` - LLM 输出后置过滤(mask/replace/block)
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- `streaming_filter.py` - Streaming 滑动窗口检测
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- `flow/` - 话术流程引擎 ✅
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- `__init__.py` - 模块导出
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- `flow_service.py` - 流程定义 CRUD
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- `engine.py` - FlowEngine 状态机(check_active_flow、start、advance、handle_timeout、cancel_flow)
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### Key Decisions (Why / Impact)
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@ -102,10 +106,46 @@ Phase 14 输出护栏核心功能已完成 (T14.1-T14.7),T14.8(单元测试
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reason: 减少数据库查询,提升过滤性能
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impact: 缓存 TTL=60s,CRUD 操作时主动失效
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- decision: FlowEngine 状态机设计
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reason: 实现多轮引导对话的固定话术流程
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impact: 状态流转 IDLE → ACTIVE → COMPLETED/TIMEOUT/CANCELLED
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- decision: 步骤推进条件匹配
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reason: 根据用户输入决定下一步骤
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impact: 支持关键词匹配和正则匹配,nextConditions 定义跳转条件
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- decision: 超时处理三种策略
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reason: 用户长时间无响应时的不同处理方式
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impact: repeat(重复当前步骤)、skip(跳过到指定步骤)、transfer(转人工)
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---
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## 🧾 Session History
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### Session #11 (2026-02-27)
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- completed:
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- T13.1-T13.6 话术流程引擎核心功能
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- 实现 ScriptFlow 和 FlowInstance 实体
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- 实现 ScriptFlowService(流程定义 CRUD)
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- 实现 FlowEngine 状态机(check_active_flow、start、advance、handle_timeout、cancel_flow)
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- 实现步骤推进逻辑(关键词匹配、正则匹配、nextConditions 条件判断)
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- 实现超时处理(repeat/skip/transfer 三种策略)
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- 实现话术流程管理 API
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- changes:
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- 新增 `app/models/entities.py` ScriptFlow, FlowInstance, FlowInstanceStatus, TimeoutAction, FlowStep, FlowAdvanceResult 实体
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- 新增 `app/services/flow/__init__.py` 模块导出
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- 新增 `app/services/flow/flow_service.py` 流程定义服务
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- 新增 `app/services/flow/engine.py` FlowEngine 状态机引擎
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- 新增 `app/api/admin/script_flows.py` 话术流程管理 API
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- 更新 `app/api/admin/__init__.py` 导出新路由
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- 更新 `app/main.py` 注册新路由
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- 更新 `spec/ai-service/tasks.md` 标记任务完成
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- notes:
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- T13.7(单元测试)留到集成阶段
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- FlowEngine 状态机:IDLE → ACTIVE → COMPLETED/TIMEOUT/CANCELLED
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- 步骤推进支持关键词匹配和正则匹配
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- 超时处理支持三种策略:repeat(重复当前步骤)、skip(跳过到指定步骤)、transfer(转人工)
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### Session #10 (2026-02-27)
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- completed:
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- T14.1-T14.7 输出护栏核心功能
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