chore: stop tracking frontend node_modules

backend/app/schemas/overview.py

@@ -0,0 +1,48 @@
+"""Overview Schema定义"""
+import uuid
+from datetime import date
+from typing import List, Optional
+
+from pydantic import BaseModel
+
+
+class CenterOverview(BaseModel):
+    """单个中心的概览数据"""
+    center_id: str
+    center_name: str
+    
+    # 各阶段状态
+    institution_initiation_status: str = "NOT_STARTED"
+    ethics_status: str = "NOT_STARTED"
+    contract_sign_status: str = "NOT_STARTED"
+    startup_status: str = "NOT_STARTED"
+    enrollment_status: str = "NOT_STARTED"
+    inspection_status: str = "NOT_STARTED"
+    closeout_status: str = "NOT_STARTED"
+    
+    # 各阶段完成日期
+    institution_initiation_completed_at: Optional[str] = None
+    ethics_completed_at: Optional[str] = None
+    contract_sign_completed_at: Optional[str] = None
+    startup_completed_at: Optional[str] = None
+    enrollment_completed_at: Optional[str] = None
+    inspection_completed_at: Optional[str] = None
+    closeout_completed_at: Optional[str] = None
+    
+    # 入组数据
+    enrollment_target: int = 0
+    enrollment_actual: int = 0
+
+
+class EnrollmentByMonth(BaseModel):
+    """月度入组统计"""
+    month: str
+    count: int
+
+
+class ProjectOverviewResponse(BaseModel):
+    """项目概览响应"""
+    study_id: str
+    updated_at: str
+    centers: List[CenterOverview]
+    enrollment_by_month: List[EnrollmentByMonth]