feat: KPI通用化数据层改造

- 新增entities表（企业实体）+ 种子数据（酣客/博海）
- kpi_definitions新增entity_id字段（DEFAULT 1，向后兼容）
- 后端API list_kpis支持可选的entity_id过滤参数
- 新增 GET /api/cma/entities API返回企业列表
- 43个现有KPI自动获得entity_id=1（酣客）
- 前端重新构建并部署

backend/app/api/kpis.py

@@ -8,7 +8,7 @@ import json
 
 from app.database import get_db
 from app.auth_middleware import require_auth, require_role, filter_kpis_by_role, kpi_visible_dims
-from app.models import StrategicMap, MapObjective, KPIDefinition, KPIValue, KPIAlert, OperationLog
+from app.models import StrategicMap, MapObjective, KPIDefinition, KPIValue, KPIAlert, OperationLog, Entity
 
 router = APIRouter(prefix="/api/cma/kpis", tags=["KPI字典"],
     dependencies=[Depends(require_role("ceo", "finance", "business", "it"))],
@@ -26,6 +26,7 @@ def list_kpis(
     keyword: Optional[str] = None,
     epic: Optional[str] = None,
     category: Optional[str] = None,
+    entity_id: Optional[int] = None,
     db: Session = Depends(get_db),
     current_user = Depends(require_auth),
 ):
@@ -42,9 +43,16 @@ def list_kpis(
     if category:
         cats_list = [c.strip() for c in category.split(',')] if ',' in category else [category]
         query = query.filter(KPIDefinition.category.in_(cats_list))
+    if entity_id is not None:
+        query = query.filter(KPIDefinition.entity_id == entity_id)
     total = query.count()
     kpis = query.order_by(KPIDefinition.kpi_code).offset((page-1)*page_size).limit(page_size).all()
-    return {"total": total, "page": page, "page_size": page_size, "data": [kpi_to_dict(k) for k in kpis]}
+    result = {"total": total, "page": page, "page_size": page_size, "data": [kpi_to_dict(k) for k in kpis]}
+    if entity_id is not None:
+        ent = db.query(Entity).filter(Entity.id == entity_id).first()
+        if ent:
+            result["entity"] = {"id": ent.id, "name": ent.name, "short_name": ent.short_name}
+    return result
 
 
 @router.get("/categories")