docs: add ai-service provider openapi [AC-AISVC-01]
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MerCry
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openapi: 3.0.3
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info:
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title: AI Service API
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description: |
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Python AI 服务接口契约。
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本文件定义主框架对 AI 服务的接口需求（Consumer-First）。
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由主框架作为调用方，Python AI 服务作为提供方实现。
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version: 1.0.0
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x-contract-level: L0
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x-consumer: "java-main-framework"
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x-provider: "python-ai-service"
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servers:
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- url: http://ai-service:8080
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description: AI 服务地址
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paths:
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/ai/chat:
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post:
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operationId: generateReply
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summary: 生成 AI 回复
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description: |
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根据用户消息和会话历史生成 AI 回复。
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覆盖验收标准：
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- AC-MCA-04: 主框架通过 HTTP POST 调用 AI 服务
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- AC-MCA-05: 响应包含 reply、confidence、shouldTransfer 字段
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- AC-MCA-06: AI 服务不可用时的降级处理（主框架侧实现）
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- AC-MCA-07: 超时处理（主框架侧实现）
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tags:
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- AI Chat
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x-requirements:
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- AC-MCA-04
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- AC-MCA-04-REQ
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- AC-MCA-04-OPT
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- AC-MCA-05
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- AC-MCA-06
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- AC-MCA-07
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requestBody:
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required: true
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ChatRequest'
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example:
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sessionId: "kf_001_wx123456_1708765432000"
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currentMessage: "我想了解产品价格"
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channelType: "wechat"
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responses:
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'200':
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description: 成功生成回复
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ChatResponse'
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example:
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reply: "您好，我们的产品价格根据套餐不同有所差异。"
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confidence: 0.92
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shouldTransfer: false
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'400':
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description: 请求参数错误
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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'500':
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description: 服务内部错误
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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'503':
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description: 服务不可用
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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/ai/health:
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get:
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operationId: healthCheck
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summary: 健康检查
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description: 检查 AI 服务是否正常运行
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tags:
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- Health
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responses:
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'200':
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description: 服务正常
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content:
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application/json:
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schema:
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type: object
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properties:
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status:
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type: string
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'503':
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description: 服务不健康
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components:
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schemas:
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ChatRequest:
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type: object
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required:
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- sessionId
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- currentMessage
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- channelType
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properties:
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sessionId:
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type: string
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description: 会话ID（AC-MCA-04-REQ 必填）
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currentMessage:
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type: string
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description: 当前用户消息（AC-MCA-04-REQ 必填）
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channelType:
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type: string
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description: 渠道类型（AC-MCA-04-REQ 必填）
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enum:
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- wechat
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- douyin
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- jd
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history:
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type: array
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description: 历史消息列表（AC-MCA-04-OPT 可选）
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items:
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$ref: '#/components/schemas/ChatMessage'
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metadata:
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type: object
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description: 扩展元数据（AC-MCA-04-OPT 可选）
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additionalProperties: true
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ChatMessage:
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type: object
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required:
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- role
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- content
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properties:
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role:
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type: string
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enum:
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- user
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- assistant
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content:
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type: string
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ChatResponse:
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type: object
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required:
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- reply
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- confidence
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- shouldTransfer
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properties:
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reply:
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type: string
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description: AI 回复内容（AC-MCA-05 必填）
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confidence:
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type: number
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format: double
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description: 置信度评分 0.0-1.0（AC-MCA-05 必填）
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shouldTransfer:
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type: boolean
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description: 是否建议转人工（AC-MCA-05 必填）
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transferReason:
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type: string
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description: 转人工原因（可选）
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metadata:
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type: object
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description: 响应元数据（可选）
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additionalProperties: true
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ErrorResponse:
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type: object
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required:
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- code
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- message
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properties:
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code:
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type: string
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description: 错误代码
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message:
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type: string
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description: 错误消息
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details:
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type: array
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description: 详细错误信息（可选）
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items:
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type: object
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additionalProperties: true
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@ -0,0 +1,248 @@
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openapi: 3.0.3
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info:
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title: AI Service API
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description: |
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Python AI 服务对外提供的接口契约（Provider）。
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目标：100% 覆盖并对齐 Java 端 Consumer-First 依赖契约 `java/openapi.deps.yaml`。
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- 路径与方法必须一致
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- non-streaming JSON 响应 schema 必须一致（reply/confidence/shouldTransfer 等）
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额外扩展：支持 SSE 流式输出（Accept: text/event-stream）。
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version: 1.0.0
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x-contract-level: L0
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x-provider: "python-ai-service"
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x-consumer: "java-main-framework"
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servers:
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- url: http://ai-service:8080
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description: AI 服务地址
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tags:
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- name: AI Chat
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description: 对话生成
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- name: Health
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description: 健康检查
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paths:
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/ai/chat:
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post:
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operationId: generateReply
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summary: 生成 AI 回复
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description: |
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根据用户消息和会话历史生成 AI 回复。
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non-streaming：返回 application/json（ChatResponse）。
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streaming：当请求头包含 `Accept: text/event-stream` 时，以 SSE 推送事件流。
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覆盖验收标准（来自 Java 侧契约描述）：
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- AC-MCA-04: 主框架通过 HTTP POST 调用 AI 服务
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- AC-MCA-05: 响应包含 reply、confidence、shouldTransfer 字段
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- AC-MCA-06: AI 服务不可用时的降级处理（主框架侧实现）
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- AC-MCA-07: 超时处理（主框架侧实现）
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tags:
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- AI Chat
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x-requirements:
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- AC-MCA-04
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- AC-MCA-04-REQ
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- AC-MCA-04-OPT
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- AC-MCA-05
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- AC-MCA-06
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- AC-MCA-07
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parameters:
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- name: X-Tenant-Id
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in: header
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required: true
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description: 租户ID（多租户隔离必填，便于网关/拦截器统一处理）
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schema:
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type: string
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- name: Accept
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in: header
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required: false
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description: |
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内容协商。
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- 设置为 text/event-stream 时返回 SSE 事件流
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- 其他情况返回 application/json
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schema:
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type: string
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requestBody:
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required: true
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ChatRequest'
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example:
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sessionId: "kf_001_wx123456_1708765432000"
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currentMessage: "我想了解产品价格"
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channelType: "wechat"
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metadata:
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channelUserId: "wx123456"
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extra: "..."
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responses:
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'200':
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description: |
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成功生成回复。
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注意：
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- non-streaming：响应 Content-Type 为 application/json
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- streaming：当请求头 Accept: text/event-stream 时，服务端可返回 text/event-stream（见下方 200 的第二种 content 描述）
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ChatResponse'
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example:
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reply: "您好，我们的产品价格根据套餐不同有所差异。"
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confidence: 0.92
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shouldTransfer: false
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text/event-stream:
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schema:
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type: string
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description: |
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SSE 事件流（按行文本）。事件模型：
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1) event: message
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- data: {"delta": "..."}
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- 返回时机：模型生成过程中多次发送，用于增量渲染。
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2) event: final
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- data: ChatResponse（完整结构化结果，字段至少包含 reply/confidence/shouldTransfer）
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- 返回时机：生成结束时发送一次，随后关闭连接。
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3) event: error
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- data: ErrorResponse（结构化错误，至少 code/message，可含 details）
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- 返回时机：发生错误时发送一次，随后关闭连接。
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示例（片段）：
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event: message\n
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data: {"delta":"您好，"}\n
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event: final\n
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data: {"reply":"...","confidence":0.9,"shouldTransfer":false}\n
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'400':
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description: 请求参数错误
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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'500':
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description: 服务内部错误
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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'503':
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description: 服务不可用
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ErrorResponse'
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/ai/health:
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get:
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operationId: healthCheck
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summary: 健康检查
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description: 检查 AI 服务是否正常运行
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tags:
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- Health
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responses:
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'200':
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description: 服务正常
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content:
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application/json:
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schema:
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type: object
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properties:
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status:
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type: string
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'503':
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description: 服务不健康
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components:
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schemas:
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ChatRequest:
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type: object
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required:
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- sessionId
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- currentMessage
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- channelType
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properties:
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sessionId:
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type: string
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description: 会话ID（AC-MCA-04-REQ 必填）
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currentMessage:
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type: string
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description: 当前用户消息（AC-MCA-04-REQ 必填）
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channelType:
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type: string
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description: 渠道类型（AC-MCA-04-REQ 必填）
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enum:
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- wechat
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- douyin
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- jd
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history:
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type: array
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description: 历史消息列表（AC-MCA-04-OPT 可选）
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items:
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$ref: '#/components/schemas/ChatMessage'
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metadata:
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type: object
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description: 扩展元数据（AC-MCA-04-OPT 可选）
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additionalProperties: true
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ChatMessage:
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type: object
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required:
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- role
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- content
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properties:
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role:
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type: string
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enum:
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- user
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- assistant
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content:
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type: string
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ChatResponse:
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type: object
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required:
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- reply
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- confidence
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- shouldTransfer
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properties:
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reply:
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type: string
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description: AI 回复内容（AC-MCA-05 必填）
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confidence:
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type: number
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format: double
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description: 置信度评分 0.0-1.0（AC-MCA-05 必填）
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shouldTransfer:
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type: boolean
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description: 是否建议转人工（AC-MCA-05 必填）
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transferReason:
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type: string
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description: 转人工原因（可选）
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metadata:
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type: object
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description: 响应元数据（可选）
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additionalProperties: true
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ErrorResponse:
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type: object
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required:
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- code
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- message
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properties:
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code:
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type: string
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description: 错误代码
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message:
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type: string
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description: 错误消息
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details:
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type: array
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description: 详细错误信息（可选）
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items:
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type: object
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additionalProperties: true
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