refactor: cockpit AgentIO适配gateway统一入口

wwwroot/api/cockpit_chat_v2.dspy

@@ -63,24 +63,17 @@ if action == 'send_message':
                 ctx['name'] = getattr(proj_recs[0], 'name', '')
                 ctx['pipeline_id'] = getattr(proj_recs[0], 'pipeline_id', '') or ''
 
-    # ── 加载 v2 引擎 ──
-    from pipeline_core.agent_config import load_agent_config
-    from pipeline_service.agent_loop_v2 import AgentExecutor
-
-    config = await load_agent_config(pipeline_id=ctx['pipeline_id'], project_id=ctx['pid'])
-    executor = AgentExecutor(
-        config=config,
-        project_id=ctx['pid'],
-        user_id=uid,
-    )
+    # ── 走 gateway 统一入口（Web AgentIO 通道）──
+    from pipeline_service.gateway import get_gateway
+    gateway = get_gateway()
 
     async def agent_stream():
         # 项目上下文
         if ctx['name']:
             yield json.dumps({"reasoning_content": "项目: " + ctx['name'] + "\n"}, ensure_ascii=False) + '\n'
 
-        # 运行 AgentExecutor（输出 content 流式格式，供前端 AgentIO→AgentOut 渲染）
-        async for chunk in executor.run(prompt):
+        # 运行 gateway（输出 content 流式格式，供前端 AgentIO→AgentOut 渲染）
+        async for chunk in gateway.run_message("web", uid, prompt):
             data = json.loads(chunk)
             t = data.get('type', '')