fix: cannot delete workflow version if other version is published as a tool (#18486)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/models/workflow.py

@@ -245,6 +245,13 @@ class Workflow(Base):
 
     @property
     def tool_published(self) -> bool:
+        """
+        DEPRECATED: This property is not accurate for determining if a workflow is published as a tool.
+        It only checks if there's a WorkflowToolProvider for the app, not if this specific workflow version
+        is the one being used by the tool.
+
+        For accurate checking, use a direct query with tenant_id, app_id, and version.
+        """
         from models.tools import WorkflowToolProvider
 
         return (