Update app.py

app.py

@@ -52,7 +52,7 @@ GCS_CREDENTIALS_FILE = "gcs-credentials.json"
 DEFAULT_VLM_PROMPT = (
     "From the provided face/eye images, compute the required screening features "
     "(pallor, sclera yellowness, redness, mobility metrics, quality checks) "
-    "and output a clean JSON feature vector only."
+    "and output a clean JSON feature vector only and the values should be confidence scores."
 )
 
 LLM_SYSTEM_PROMPT = (