refactor: 移除旧的comfyui_client模块，重构API路由以使用新的comfy_workflow和queue_manager，提升代码结构和可维护性

workflow_service/routes/workflow.py

@@ -4,7 +4,7 @@ from typing import Optional, List
 from fastapi import APIRouter, Body, HTTPException, Path
 from fastapi.responses import JSONResponse
 
-from workflow_service import comfyui_client
+from workflow_service.comfy import comfy_workflow
 from workflow_service.database.api import (
     save_workflow,
     get_all_workflows,
@@ -94,8 +94,8 @@ async def get_one_workflow_endpoint(base_name: str, version: Optional[str] = Non
         workflow = json.loads(workflow_data["workflow_json"])
         return {
             "workflow": workflow,
-            "api_spec": comfyui_client.parse_api_spec(workflow),
-            "inputs_json_schema": comfyui_client.parse_inputs_json_schema(workflow),
+            "api_spec": comfy_workflow.parse_api_spec(workflow),
+            "inputs_json_schema": comfy_workflow.parse_inputs_json_schema(workflow),
         }
     except Exception as e:
         raise HTTPException(