修复rbac_compute_pricing导入错误

- 修复rbac模块导入路径：从 ..rbac 改为 ...rbac
- 修复require_role不存在的问题：使用role_allowed函数创建check_role辅助函数
- 替换所有require_role调用为check_role

app/api/routers/rbac_compute_pricing.py

@@ -19,7 +19,8 @@ from pydantic import BaseModel
 from sqlalchemy import select, and_
 
 from ..dependencies import get_db, get_current_user
-from ..rbac import write_audit, require_role
+from ...rbac import write_audit
+from ...domain.rules import role_allowed
 from ...infrastructure.models import (
     ParkTenant, ParkCompany, CompanyMember,
     TenantDiscount, TenantUserDiscount,
@@ -43,6 +44,12 @@ def new_id() -> str:
     return uuid.uuid4().hex[:24]
 
 
+def check_role(user: dict, roles: list[str]) -> None:
+    """检查用户角色，如果不允许则抛出403异常。"""
+    if not role_allowed(user, *roles):
+        raise HTTPException(status_code=403, detail="Forbidden: insufficient role")
+
+
 # ═══════════════════════════════════════════════════════════════════
 # 运营端：载体折扣管理
 # ═══════════════════════════════════════════════════════════════════
@@ -60,7 +67,7 @@ async def admin_tenant_discounts(
     db: Database = Depends(get_db),
     user: dict = Depends(get_current_user),
 ):
-    require_role(user, ["operator"])
+    check_role(user, ["operator"])
     result = await db.session.execute(select(TenantDiscount).order_by(TenantDiscount.created_at.desc()))
     items = []
     for td in result.scalars().all():
@@ -86,7 +93,7 @@ async def admin_set_tenant_discount(
     db: Database = Depends(get_db),
     user: dict = Depends(get_current_user),
 ):
-    require_role(user, ["operator"])
+    check_role(user, ["operator"])
     body.discount = max(0, min(100, int(body.discount)))
 
     # 检查载体是否存在
@@ -139,7 +146,7 @@ class StandardPriceBody(BaseModel):
 async def admin_standard_prices(
     user: dict = Depends(get_current_user),
 ):
-    require_role(user, ["operator"])
+    check_role(user, ["operator"])
     items = [{"model": k, "price_per_1k": v} for k, v in STANDARD_PRICES.items()]
     return {"items": items}
 
@@ -152,7 +159,7 @@ async def admin_update_standard_price(
     db: Database = Depends(get_db),
     user: dict = Depends(get_current_user),
 ):
-    require_role(user, ["operator"])
+    check_role(user, ["operator"])
     STANDARD_PRICES[model] = max(1, int(body.price_per_1k))
     await write_audit(db, action="compute.standard_price_update", resource="standard_price",
                       resource_id=model, detail=f"price={body.price_per_1k}",