quiz fix sherika

utils/api.py

@@ -644,13 +644,35 @@ def record_profit_puzzler_play(user_id: int, puzzles_solved: int, mistakes: int,
 
 
 def generate_quiz(lesson_id: int, level_slug: str, lesson_title: str):
-    r = requests.post(f"{BACKEND}/generate_quiz", json={
-        "lesson_id": lesson_id,
+    """
+    Robustly call the backend to generate a quiz.
+
+    This uses _try_candidates so the code will automatically try likely prefixes
+    (e.g. "", "/api", "/v1", "/api/v1") and also fallback to the compatible
+    /quiz/generate endpoint (which returns {"items": [...]})
+    """
+    payload = {
+        "lesson_id": int(lesson_id),
         "level_slug": level_slug,
         "lesson_title": lesson_title
-    }, timeout=60)
-    r.raise_for_status()
-    return r.json()["quiz"]
+    }
+
+    # Try the preferred route first; _try_candidates will also try prefix variants
+    try:
+        resp = _try_candidates("POST", [
+            ("/generate_quiz", {"json": payload}),
+            # compatibility fallback that the backend exposes (/quiz/generate)
+            ("/quiz/generate", {"json": {"content": lesson_title, "n_questions": 5, "subject": "finance", "level": level_slug}})
+        ])
+    except Exception as e:
+        # Re-raise with helpful context (Streamlit UI will show this)
+        raise RuntimeError(f"generate_quiz failed when contacting backend {BACKEND}: {e}") from e
+
+    # backend may return {"quiz": [...]} or {"items": [...]} or directly the list
+    if isinstance(resp, dict):
+        return resp.get("quiz") or resp.get("items") or resp
+    return resp
+
 
 def submit_quiz(lesson_id: int, level_slug: str, user_answers: list[dict], original_quiz: list[dict]):
     r = requests.post(f"{BACKEND}/submit_quiz", json={