a2a-source-edit: write agent.py

agent.py

@@ -42,11 +42,12 @@ APPROVAL_PHRASE = "I_APPROVE_THE_LISTED_STEPS"
 OUTPUT_ROOT = "outputs/integrations"
 SECRET_WORDS = ("secret", "token", "password", "passwd", "apikey", "api_key", "authorization", "bearer")
 
-_PUBLIC_REQUEST_SCHEMA: dict[str, Any] = {
+def _tool_input_schema(request_model: type[BaseModel]) -> dict[str, Any]:
+    return {
         "type": "object",
         "required": ["request"],
         "additionalProperties": False,
-    "properties": {"request": {"type": "object", "additionalProperties": True}},
+        "properties": {"request": request_model.model_json_schema()},
     }