Finetune prompt

app.py

@@ -154,12 +154,17 @@ async def image_question(file: UploadFile = File(...)):
             "data": b64
         }
     }]
-    # Ask Gemini to return JSON so we can split Q & A
+    # Ask Gemini to return JSON splitting Q&A
     prompt = (
-        "From the screenshot extract the interview question(s) (English). "
-        "There could be more than 1 questions, each questions and answer are split each by a semicolon ';'. \n"
-        "Answer concisely (≤200 words). "
-        "Return pure JSON: {\"question\":\"...\",\"answer\":\"...\"}"
+        "From the screenshot, extract all English interview question(s). "
+        "There may be multiple questions. For each, provide a concise answer (≤200 words).\n\n"
+        "Return only valid JSON as a list of objects:\n"
+        "[\n"
+        "  {\"question\": \"...\", \"answer\": \"...\"},\n"
+        "  {\"question\": \"...\", \"answer\": \"...\"},\n"
+        "  ...\n"
+        "]\n\n"
+        "Do not include explanations or additional formatting — only output raw JSON."
     )
     # Send prompt and image
     text = call_gemini(prompt, vision_part)