Support tool config in yaml

tests/test_tool_call_flow.py

@@ -92,6 +92,34 @@ def _build_pipeline(monkeypatch, llm_rounds: List[List[LLMStreamEvent]]) -> tupl
     return pipeline, events
 
 
+def test_pipeline_uses_default_tools_from_settings(monkeypatch):
+    monkeypatch.setattr(
+        "core.duplex_pipeline.settings.tools",
+        [
+            "current_time",
+            {
+                "name": "weather",
+                "description": "Get weather by city",
+                "parameters": {
+                    "type": "object",
+                    "properties": {"city": {"type": "string"}},
+                    "required": ["city"],
+                },
+                "executor": "server",
+            },
+        ],
+    )
+    pipeline, _events = _build_pipeline(monkeypatch, [[LLMStreamEvent(type="done")]])
+
+    cfg = pipeline.resolved_runtime_config()
+    assert cfg["tools"]["allowlist"] == ["current_time", "weather"]
+
+    schemas = pipeline._resolved_tool_schemas()
+    names = [s.get("function", {}).get("name") for s in schemas if isinstance(s, dict)]
+    assert "current_time" in names
+    assert "weather" in names
+
+
 @pytest.mark.asyncio
 async def test_ws_message_parses_tool_call_results():
     msg = parse_client_message(