Update app.py

app.py

@@ -10,14 +10,17 @@ from ocr_agent import OcrAgent
 
 QUESTIONS_FILE = "questions.json"
 
-if not os.path.exists(QUESTIONS_FILE):
-    with open(QUESTIONS_FILE, "w", encoding="utf-8") as f:
-        json.dump([], f, indent=2)
-
 def load_question_bank():
+    """Load questions safely from JSON; return [] if missing/corrupted."""
     if os.path.exists(QUESTIONS_FILE):
-        with open(QUESTIONS_FILE, "r", encoding="utf-8") as f:
-            return json.load(f)
+        try:
+            with open(QUESTIONS_FILE, "r", encoding="utf-8") as f:
+                content = f.read().strip()
+                if not content:
+                    return []
+                return json.loads(content)
+        except (json.JSONDecodeError, OSError):
+            return []
     return []
 
 QUESTION_BANK = load_question_bank()
@@ -184,3 +187,4 @@ if __name__ == "__main__":
 
 
 
+