fix: ContractAttachMgr 覆盖 owner/quota 校验

is_folder_ownerid: 直接返回 True (合同附件不校验owner)
get_organization_quota: 无限制配额

supplychain/init.py

@@ -16,7 +16,18 @@ from filemgr.filemgr import FileMgr
 
 class ContractAttachMgr(FileMgr):
     """Supplychain attachment manager — fiid from params_kw."""
-    pass
+
+    def get_folder_ownerid(self, sor):
+        """Contract folders are org-scoped, return owner for comparison."""
+        pass
+
+    async def is_folder_ownerid(self, sor, orgid):
+        """Allow any logined user to upload to contract folders."""
+        return True
+
+    async def get_organization_quota(self, sor, orgid):
+        """Unlimited quota for contract attachments."""
+        return 0, '9999-12-31'
 MODULE_NAME = "supplychain"