List validated chat model providers

src/openai_compat.py

@@ -18,6 +18,14 @@ class OpenAICompatError(RuntimeError):
     """Raised when the local OpenAI-compatible backend returns an invalid response."""
 
 
+PROVIDER_MIN_TEMPERATURES = {
+    # 实测这些 provider 会拒绝 temperature=0；这里做最小值兜底，
+    # 保持默认确定性取向的同时避免模型切换后请求直接 400。
+    'minimax': 0.01,
+    'wenxin': 0.1,
+}
+
+
 def _join_url(base_url: str, suffix: str) -> str:
     base = base_url.rstrip('/')
     return f'{base}/{suffix.lstrip("/")}'
@@ -88,6 +96,14 @@ def _optional_int(value: Any) -> int:
     return 0
 
 
+def _temperature_for_model(model: str, configured: float) -> float:
+    provider = model.split('/', 1)[0].strip().lower() if '/' in model else ''
+    minimum = PROVIDER_MIN_TEMPERATURES.get(provider)
+    if minimum is None:
+        return configured
+    return max(configured, minimum)
+
+
 def _parse_usage(payload: Any) -> UsageStats:
     if not isinstance(payload, dict):
         return UsageStats()
@@ -258,11 +274,12 @@ class OpenAICompatClient:
         payload: dict[str, Any] = {
             'model': self.config.model,
             'messages': messages,
-            'tools': tools,
-            'tool_choice': 'auto',
-            'temperature': self.config.temperature,
+            'temperature': _temperature_for_model(self.config.model, self.config.temperature),
             'stream': stream,
         }
+        if tools:
+            payload['tools'] = tools
+            payload['tool_choice'] = 'auto'
         if stream:
             payload['stream_options'] = {'include_usage': True}
         response_format = _build_response_format(output_schema)