fix: 写接口entity_id token优先（resolve_entity_for_request）+ 登录页用顶层entity_id

backend/app/api/cash.py

@@ -1,10 +1,10 @@
 """资金管理API — 资金缺口预测 + 收付款计划 + 预警 (资金管理智能体)"""
 import logging
 from datetime import datetime, timedelta
-from fastapi import APIRouter, HTTPException, Depends, Query
+from fastapi import APIRouter, HTTPException, Depends, Query, Request
 from sqlalchemy.orm import Session
 from app.database import get_db
-from app.deps import get_entity_id
+from app.deps import get_entity_id, resolve_entity_for_request
 from app.auth_middleware import require_role
 from app.models import CashPlan
 from app.utils.cash_forecast_engine import (
@@ -119,7 +119,7 @@ def api_list_plans(
 
 
 @router.post("/plans")
-def api_create_plan(data: dict, db: Session = Depends(get_db)):
+def api_create_plan(request: Request, data: dict, db: Session = Depends(get_db)):
     """新建收付款计划"""
     plan_type = data.get("plan_type")
     if plan_type not in ("receive", "pay"):
@@ -136,7 +136,7 @@ def api_create_plan(data: dict, db: Session = Depends(get_db)):
         raise HTTPException(400, "plan_date格式应为YYYY-MM-DD")
 
     plan = CashPlan(
-        entity_id=int(data.get("entity_id", 1)),
+        entity_id=resolve_entity_for_request(request, int(data.get("entity_id", 1))),
         plan_type=plan_type,
         amount=amount,
         plan_date=plan_date,