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writer-work-flow/apps/api/ww_api/schemas/templates.py

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"""模板库端点的请求/响应 schemaF3 / 契约 §F3
snake_case前端经 OpenAPI 生成 TS 类型消费。改字段 → 前端必须 `pnpm gen:api`。
单用户本地版:作者保存/复用提示词模板,可一键填入生成器的 brief/text。
`title`/`body` 非空(先 strip 再 `min_length=1`,纯空白 → 422。`category`/`tool_key` 可选。
"""
from __future__ import annotations
import uuid
from typing import Annotated
from pydantic import BaseModel, Field, StringConstraints
# 长度上界CR-H9防超长入参 DoS/成本)。标题=标签级;正文=段落级。
_TITLE_MAX = 200
_BODY_MAX = 20_000
# 先去首尾空白再校验长度:纯空白(" "strip 后为空 → min_length=1 不满足 → 422。
NonBlankTitle = Annotated[
str, StringConstraints(strip_whitespace=True, min_length=1, max_length=_TITLE_MAX)
]
NonBlankBody = Annotated[
str, StringConstraints(strip_whitespace=True, min_length=1, max_length=_BODY_MAX)
]
class TemplateCreateRequest(BaseModel):
"""POST /templates新建一条提示词模板。"""
title: NonBlankTitle = Field(description="模板标题(非空,纯空白 → 422")
body: NonBlankBody = Field(description="模板正文(非空,一键填入生成器的 brief/text")
category: str | None = Field(default=None, description="可选分类")
tool_key: str | None = Field(default=None, description="可选关联生成器NULL=通用)")
class TemplateResponse(BaseModel):
"""模板视图(列出/创建后回显snake_case"""
id: uuid.UUID
title: str
body: str
category: str | None = None
tool_key: str | None = None