Refine user prompt for improved project description clarity and conciseness

app.py

@@ -29,8 +29,8 @@ def improve_description(user_input: str) -> str:
     payload = {
         "model": MODEL_ID,
         "messages": [
-            {"role": "system", "content": "You are a technical writing assistant. Rewrite project descriptions to be clear, professional, and concise while preserving all technical details."},
-            {"role": "user", "content": f"Rewrite this project description professionally:\n\n{user_text}"}
+            {"role": "system", "content": "You are a technical writing assistant. Rewrite project descriptions to be clear, professional, and concise while preserving all technical details. Limit your output to a maximum of 3 sentences."},
+            {"role": "user", "content": f"Rewrite this project description professionally, concisely, and in no more than 3 sentences:\n\n{user_text}"}
         ],
         "max_tokens": 300,
         "temperature": 0.3