完善模板，加入RPA标准

scripts/service/example_adapter/real_api.py

@@ -0,0 +1,14 @@
+"""真实 API 档位占位：有官方接口时在此实现。"""
+
+from __future__ import annotations
+
+from .base import AdapterBase, ExampleItem, ExampleResult
+
+
+class RealApiAdapter(AdapterBase):
+    name = "real_api"
+
+    def do_batch(self, target: str, items: list[ExampleItem]) -> ExampleResult:
+        raise NotImplementedError(
+            "RealApiAdapter: 复制 example_adapter 后在此对接真实 API"
+        )