Compatible with both thinking and enable_thinking. (#1260)

Author: WANDY666

lightllm/server/api_models.py

@@ -266,6 +266,17 @@ def apply_loaded_defaults(cls, data: Any):
                     data[key] = value
         return data
 
+    @model_validator(mode="after")
+    def sync_thinking_chat_template_kwargs(self):
+        """Mirror thinking <-> enable_thinking when only one is set (Qwen vs DeepSeek templates)."""
+        if not self.chat_template_kwargs:
+            return self
+        if "thinking" not in self.chat_template_kwargs and "enable_thinking" in self.chat_template_kwargs:
+            self.chat_template_kwargs["thinking"] = self.chat_template_kwargs["enable_thinking"]
+        elif "enable_thinking" not in self.chat_template_kwargs and "thinking" in self.chat_template_kwargs:
+            self.chat_template_kwargs["enable_thinking"] = self.chat_template_kwargs["thinking"]
+        return self
+
 
 class UsageInfo(BaseModel):
     prompt_tokens: int = 0