Update app.py

app.py

@@ -257,6 +257,16 @@ STAGE_TO_SOURCE = {
 }
 SOURCE_TO_STAGE = {v: k for k, v in STAGE_TO_SOURCE.items()}
 
+def _answer_total_score(resp: dict) -> float:
+    skills = resp.get("skills") or {}
+    total = 0.0
+    for v in skills.values():
+        try:
+            total += float(v)
+        except Exception:
+            pass
+    return total
+
 def _responses_for_student_stage(uri, db, responses_coll, student: str, stage: str) -> list[dict]:
     """Return responses for a student at a stage (mapped to source) with non-empty answers."""
     if not (uri and student and stage):