feat: 支持 LLM 请求超时配置

tests/test_llm_node.py

@@ -10,6 +10,22 @@ from wov_node_llm.__main__ import invoke, translate_lines
 from wov_sdk.models import InvokeRequest
 
 
+class FakeUrlOpenResponse:
+    def __init__(self, content: str) -> None:
+        self._payload = json.dumps(
+            {"choices": [{"message": {"content": content}}]}
+        ).encode("utf-8")
+
+    def read(self) -> bytes:
+        return self._payload
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args) -> bool:
+        return False
+
+
 def _make_srt(tmp_path, count=5) -> Path:
     lines = []
     for index in range(count):
@@ -83,6 +99,38 @@ def test_translate_lines_api_error(monkeypatch) -> None:
         pass
 
 
+def test_translate_lines_default_timeout(monkeypatch) -> None:
+    captured = {}
+
+    def fake_open(request, timeout):
+        captured["timeout"] = timeout
+        return FakeUrlOpenResponse("译文一")
+
+    monkeypatch.setattr("wov_node_llm.__main__.urllib.request.urlopen", fake_open)
+    monkeypatch.setenv("LLM_API_BASE", "http://fake/v1/chat/completions")
+
+    result = translate_lines(["一"], {})
+
+    assert result == ["译文一"]
+    assert captured["timeout"] == 600
+
+
+def test_translate_lines_env_timeout(monkeypatch) -> None:
+    captured = {}
+
+    def fake_open(request, timeout):
+        captured["timeout"] = timeout
+        return FakeUrlOpenResponse("译文一")
+
+    monkeypatch.setattr("wov_node_llm.__main__.urllib.request.urlopen", fake_open)
+    monkeypatch.setenv("LLM_API_BASE", "http://fake/v1/chat/completions")
+    monkeypatch.setenv("LLM_TIMEOUT_SECONDS", "45")
+
+    translate_lines(["一"], {})
+
+    assert captured["timeout"] == 45
+
+
 def test_invoke_success(tmp_path, monkeypatch) -> None:
     source = _make_srt(tmp_path)