Step 5：里程碑与任务（伦理/启动会进度）

backend/app/schemas/milestone.py

@@ -0,0 +1,39 @@
+import uuid
+from datetime import date, datetime
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class MilestoneCreate(BaseModel):
+    type: str
+    name: Optional[str] = None
+    planned_date: Optional[date] = None
+    owner_id: Optional[uuid.UUID] = None
+    notes: Optional[str] = None
+    status: str = Field(default="NOT_STARTED")
+
+
+class MilestoneUpdate(BaseModel):
+    name: Optional[str] = None
+    planned_date: Optional[date] = None
+    actual_date: Optional[date] = None
+    status: Optional[str] = None
+    owner_id: Optional[uuid.UUID] = None
+    notes: Optional[str] = None
+
+
+class MilestoneRead(BaseModel):
+    id: uuid.UUID
+    study_id: uuid.UUID
+    type: str
+    name: str
+    planned_date: Optional[date]
+    actual_date: Optional[date]
+    status: str
+    owner_id: Optional[uuid.UUID]
+    notes: Optional[str]
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)

backend/app/schemas/progress.py

@@ -0,0 +1,10 @@
+from pydantic import BaseModel
+
+
+class StudyProgressRead(BaseModel):
+    milestones_total: int
+    milestones_done: int
+    tasks_total: int
+    tasks_done: int
+    tasks_overdue: int
+    completion_rate: float

backend/app/schemas/task.py

@@ -0,0 +1,42 @@
+import uuid
+from datetime import date, datetime
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict
+
+
+class TaskCreate(BaseModel):
+    milestone_id: Optional[uuid.UUID] = None
+    title: str
+    description: Optional[str] = None
+    assignee_id: Optional[uuid.UUID] = None
+    priority: str = "MEDIUM"
+    due_date: Optional[date] = None
+
+
+class TaskUpdate(BaseModel):
+    milestone_id: Optional[uuid.UUID] = None
+    title: Optional[str] = None
+    description: Optional[str] = None
+    assignee_id: Optional[uuid.UUID] = None
+    priority: Optional[str] = None
+    due_date: Optional[date] = None
+    status: Optional[str] = None
+
+
+class TaskRead(BaseModel):
+    id: uuid.UUID
+    study_id: uuid.UUID
+    milestone_id: Optional[uuid.UUID]
+    title: str
+    description: Optional[str]
+    assignee_id: Optional[uuid.UUID]
+    priority: str
+    due_date: Optional[date]
+    status: str
+    completed_at: Optional[datetime]
+    created_by: uuid.UUID
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)