feat: change the temperature setting for ollama

Author: elainefan331

src/services/ollama.service.ts

@@ -1,14 +1,28 @@
 const API_URL = process.env.REACT_APP_API_URL || "http://localhost:5000/api/v1";
 
+const getQwenTemperature = (modelName: string): number => {
+  if (modelName.includes("next") || modelName.includes("fast")) return 0.4;
+  if (modelName.includes("careful") || modelName.includes("think")) return 0.15;
+  return 0.3;
+};
+
 export const OllamaService = {
   chat: async (
     model: string,
     messages: { role: string; content: string }[]
   ): Promise<any> => {
+    const temperature = getQwenTemperature(model);
     const response = await fetch(`${API_URL}/ollama/chat`, {
       method: "POST",
       headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ model, messages, stream: false }),
+      body: JSON.stringify({
+        model,
+        messages,
+        stream: false,
+        options: {
+          temperature, // ← pass to Ollama
+        },
+      }),
     });
 
     const data = await response.json();