Update app.js

app.js

@@ -181,7 +181,7 @@ ${JSON.stringify({ id: project.id, description: project.description })}
   /** === CHANGED SECTION END === */
 
   const resp = await ai.models.generateContent({
-    model: "gemini-1.5-flash", // Changed to 1.5-flash for better stability
+    model: "gemini-2.5-pro", // Changed to 1.5-flash for better stability
     contents: systemPrompt,
     generationConfig: { responseMimeType: "application/json" } // Force JSON mode
   });