refactor: 宏观状态统一(待仓库收货/已入库)废弃"在库"; WIP矩阵返回product_name并新增下钻明细

backend/app/api/v1/endpoints/dashboard.py

@@ -13,6 +13,7 @@ from app.services.dashboard_service import (
     get_user_operations, UserOperation,
     get_user_operation_detail, OperationDetail,
     get_wip_matrix, WipMatrixRow,
+    get_wip_matrix_detail, WipMatrixDetailRow,
     get_people_workload, PersonWorkload,
     get_people_history, PersonHistoryRecord,
     search_product_messages, ProductMessageList,
@@ -108,12 +109,26 @@ async def wip_matrix(
     until: str | None = Query(None, description="截止日期 ISO"),
     db: AsyncSession = Depends(get_db),
 ):
-    """生产分布透视表 — 规格型号 × 人员/工序 的设备数量交叉聚合（含在库/完成）"""
+    """生产分布透视表 — 规格型号 × 人员/工序 的设备数量交叉聚合（含已完成/已入库/已出库）"""
     since_dt = datetime.fromisoformat(since) if since else None
     until_dt = datetime.fromisoformat(until) if until else None
     return await get_wip_matrix(db, dimension=dimension, since=since_dt, until=until_dt)
 
 
+@router.get("/wip-matrix/detail", response_model=list[WipMatrixDetailRow])
+async def wip_matrix_detail(
+    spec: str = Query(..., description="规格型号"),
+    process: str = Query(..., description="当前工序（dimension_key）"),
+    since: str | None = Query(None, description="起始日期 ISO"),
+    until: str | None = Query(None, description="截止日期 ISO"),
+    db: AsyncSession = Depends(get_db),
+):
+    """WIP 矩阵单元格下钻 — 返回某 规格型号×工序 交叉点下的设备明细"""
+    since_dt = datetime.fromisoformat(since) if since else None
+    until_dt = datetime.fromisoformat(until) if until else None
+    return await get_wip_matrix_detail(db, spec_model=spec, process=process, since=since_dt, until=until_dt)
+
+
 @router.get("/people-workload", response_model=list[PersonWorkload])
 async def people_workload(
     db: AsyncSession = Depends(get_db),