220 lines
8.6 KiB
Python
220 lines
8.6 KiB
Python
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"""任务 Pydantic Schemas — 支持无限嵌套子任务、裂变转交、驳回返工"""
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from __future__ import annotations
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import uuid
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from datetime import datetime
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from typing import Optional
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from pydantic import BaseModel, Field, field_validator, model_validator
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# ============================================================
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# 请求模型
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# ============================================================
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class TaskCreate(BaseModel):
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"""创建任务"""
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product_id: uuid.UUID = Field(..., description="所属产品ID")
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parent_task_id: uuid.UUID | None = Field(None, description="父任务ID(用于嵌套子任务/裂变分支)")
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task_name: str = Field(..., max_length=200, description="任务名称")
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assignee_id: str | None = Field(None, max_length=64, description="负责人ID(逻辑外键→老系统)")
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notify_parent_on_complete: bool = Field(False, description="完成后是否通知父任务")
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is_rework: bool = Field(False, description="是否为返工任务")
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remark: str | None = Field(None, max_length=2000, description="初始描述/交接备注")
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model_config = {"from_attributes": True}
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class TaskUpdate(BaseModel):
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"""更新任务"""
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task_name: str | None = Field(None, max_length=200)
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assignee_id: str | None = Field(None, max_length=64)
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status: str | None = Field(None, max_length=50, description="任务状态")
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notify_parent_on_complete: bool | None = Field(None)
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model_config = {"from_attributes": True}
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class TaskCompleteRequest(BaseModel):
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"""完成任务请求 — 携带转交信息（保留兼容旧版单步转交）"""
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operator_id: str | None = Field(None, max_length=64, description="操作人ID")
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next_assignee_id: str | None = Field(None, max_length=64, description="下一步任务负责人ID")
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next_task_name: str | None = Field(None, max_length=200, description="下一步任务名称")
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remark: str | None = Field(None, description="完成备注")
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class SubtaskCreate(BaseModel):
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"""创建子任务"""
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task_name: str = Field(..., max_length=200, description="子任务名称")
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assignee_id: str | None = Field(None, max_length=64, description="负责人ID")
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notify_parent_on_complete: bool = Field(False, description="完成后是否通知父任务")
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class TaskRejectRequest(BaseModel):
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"""品质驳回请求 — 驳回原因必填；异常图片【选填】
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（编号错误、工序选错等场景无需拍照举证，故不强制传图）"""
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reason: str = Field(..., min_length=1, max_length=500, description="驳回原因（必填）")
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images: list[str] = Field(
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default_factory=list, max_length=9,
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description="异常图片 URL 列表（选填，可传空数组，最多 9 张）",
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)
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@field_validator("reason", mode="before")
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@classmethod
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def _strip_reason(cls, v):
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"""先 strip 再交给 min_length 校验：否则纯空格（' '）能凑够长度绕过必填。
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顺带保证落库的 Task.reject_reason / TaskRecord.remark 不带首尾空白。
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非字符串原样返回，让 Pydantic 抛出正常的类型错误。"""
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return v.strip() if isinstance(v, str) else v
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@field_validator("images")
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@classmethod
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def _validate_images(cls, v: list[str]) -> list[str]:
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"""剥离空串（前端可能提交 [''] 之类的占位），并做总长度上限校验，
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避免落库时才撞上 TaskRecord.images 的 String(4000) 上限。图片选填，允许为空。"""
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urls = [u.strip() for u in v if u and u.strip()]
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if sum(len(u) for u in urls) > 3500:
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raise ValueError("异常图片 URL 总长度超限，请减少图片数量")
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return urls
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class TaskTransferBranch(BaseModel):
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"""裂变分支"""
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task_name: str = Field(..., max_length=200, description="工序名称")
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assignees: list[str] = Field(
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default_factory=list, min_length=0,
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description=(
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"接收人列表。允许为空数组，但仅当 finish_directly=True 时合法——"
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"空分支不产生任何下游任务（见 TaskTransferRequest 的校验）。"
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),
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)
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class TaskTransferRequest(BaseModel):
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"""完工裂变转交请求 — 支持多分支 next_tasks 和旧版单线兼容"""
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next_assignees: list[str] | None = Field(None, description="[旧版] 下一道工序接收人列表")
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next_task_name: str | None = Field(None, max_length=200, description="[旧版] 下一道工序名称")
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next_tasks: list[TaskTransferBranch] | None = Field(None, description="[新版] 多分支任务列表")
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note: str | None = Field(None, description="交接备注")
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finish_directly: bool = Field(
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False,
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description=(
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"直接完结：闭环当前任务但【不产生任何下游任务】。"
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"它只是一个任务闭环动作，【不改动】产品的 overall_status —— "
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"已出库的设备完结后依然是已出库（不入库，也不会变成「待仓库收货」）。"
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"权限：仅 SUPER_ADMIN / SUPERVISOR 可调用，其余角色 403。"
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"置 True 时忽略 next_tasks / next_assignees。"
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),
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)
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@model_validator(mode="after")
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def _reject_silent_empty_branch(self):
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"""空 assignees 分支会让「转交」静默退化成「直接完结」——任务闭环了却没人接手，
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是个丢件级隐患。想直接完结必须显式传 finish_directly=true，不能靠漏填凑合。"""
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if self.finish_directly:
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return self
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if any(not b.assignees for b in (self.next_tasks or [])):
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raise ValueError(
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"分支 assignees 不能为空；若意图是「直接完结该任务」，"
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"请改为传 finish_directly=true"
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)
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return self
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class TaskRecordCreate(BaseModel):
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"""任务进度记录 — 备注 + 图片"""
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remark: str = Field("", max_length=2000, description="备注文本")
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images: list[str] = Field(default_factory=list, description="图片 URL 列表")
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class TaskRecordResponse(BaseModel):
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id: int
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task_id: uuid.UUID
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remark: str | None = None
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images: list[str] = []
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created_at: datetime | None = None
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model_config = {"from_attributes": True}
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@field_validator("images", mode="before")
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@classmethod
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def _parse_images(cls, v):
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"""处理 DB 中 images 的 JSON 字符串 → list 反序列化（不污染 ORM 对象）"""
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import json
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if isinstance(v, str):
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try:
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return json.loads(v)
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except (json.JSONDecodeError, TypeError):
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return []
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if v is None:
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return []
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return v
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# ============================================================
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# 响应模型
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# ============================================================
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class TaskSummaryResponse(BaseModel):
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"""任务摘要 — 扫码时用，不含嵌套子任务"""
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id: uuid.UUID
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product_id: uuid.UUID
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parent_task_id: uuid.UUID | None
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task_name: str
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assignee_id: str | None
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status: str
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notify_parent_on_complete: bool
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is_rework: bool = False
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task_type: str | None = None
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remark: str | None = None
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reject_reason: str | None = None
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received_at: datetime | None = None
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completed_at: datetime | None = None
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created_at: datetime
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created_by: str | None = None # 谁创建的（从task_logs追溯）
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model_config = {"from_attributes": True}
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class TaskResponse(BaseModel):
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"""任务详情响应 — 递归包含所有子任务"""
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id: uuid.UUID
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product_id: uuid.UUID
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product_sn: str = ""
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product_material: str = ""
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parent_task_id: uuid.UUID | None
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task_name: str
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assignee_id: str | None
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status: str
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notify_parent_on_complete: bool
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is_rework: bool = False
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task_type: str | None = None
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remark: str | None = None
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reject_reason: str | None = None
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received_at: datetime | None = None
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completed_at: datetime | None = None
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created_at: datetime
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child_tasks: list[TaskResponse] = []
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records: list[TaskRecordResponse] = []
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created_by: str | None = None # 谁创建的（从task_logs追溯）
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model_config = {"from_attributes": True}
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class TaskCompleteResponse(BaseModel):
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"""任务完成响应"""
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completed_task: TaskResponse
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next_task: TaskResponse | None = None
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message: str
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class TaskTransferResponse(BaseModel):
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"""裂变转交响应"""
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completed_task: TaskResponse
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created_tasks: list[TaskResponse] = []
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message: str
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class TaskListResponse(BaseModel):
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"""任务列表响应"""
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tasks: list[TaskResponse]
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total: int
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