From 2a89fdc62c6051870ffe66fe1c385e0d44fb8f02 Mon Sep 17 00:00:00 2001
From: DXC <duxingchen@iris-rs.cn>
Date: Tue, 16 Jun 2026 17:53:19 +0800
Subject: [PATCH] =?UTF-8?q?services/placeholder=5Fservice.py=EF=BC=9Astep2?=
 =?UTF-8?q?-step13=20=E5=8D=A0=E4=BD=8D=E6=9C=8D=E5=8A=A1=EF=BC=88execute?=
 =?UTF-8?q?=5Fplaceholder=20=E8=BF=94=E5=9B=9E=20not=5Fimplemented=20?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=EF=BC=89?=
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---
 src/new/services/placeholder_service.py | 28 +++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/new/services/placeholder_service.py

diff --git a/src/new/services/placeholder_service.py b/src/new/services/placeholder_service.py
new file mode 100644
index 0000000..7c54872
--- /dev/null
+++ b/src/new/services/placeholder_service.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+"""
+PlaceholderService —— 通用占位后端（用于尚未迁移的步骤）
+
+返回 ``{"status": "not_implemented", ...}``，main_router 据此在日志区
+输出友好提示；不抛异常、不阻塞 UI 线程。
+"""
+
+from __future__ import annotations
+
+from typing import Any, Dict
+
+
+def execute_placeholder(config: Dict[str, Any]) -> Dict[str, Any]:
+    """通用占位执行函数
+
+    Args:
+        config: 由 view.get_config() 序列化、再经 main_router 注入 work_dir 的字典
+
+    Returns:
+        标准结果字典 ``{status, output_path, message}``，其中 status="not_implemented"
+    """
+    step_id = config.get("step_id") or config.get("_step_id") or "unknown"
+    return {
+        "status": "not_implemented",
+        "output_path": None,
+        "message": f"not_implemented: [{step_id}] 端到端模块化尚未迁移此步骤；后续将按 step1 模式补全 view/service。",
+    }
\ No newline at end of file