Миграция questions.ai_hint и подсказки в редакторе теста

- Alembic 0003: колонка ai_hint (TEXT NULL)
- API черновика: отдаём aiHint, сохраняем из payload
- Карточка вопроса: textarea подсказки для прохождения

Made-with: Cursor

flask_app/app/services/editor_content.py

@@ -51,6 +51,7 @@ def load_questions_for_version(session, test_version_id, *, include_correct: boo
             'text': q.text,
             'questionOrder': q.question_order,
             'hasMultipleAnswers': bool(q.has_multiple_answers),
+            'aiHint': (q.ai_hint or '').strip() or None,
             'options': options,
         })
     return out

flask_app/app/services/test_draft.py

@@ -122,12 +122,17 @@ def _replace_version_content(session: Session, version: TestVersion, payload: di
     questions_payload = payload.get('questions') or []
     for i, qp in enumerate(questions_payload):
         q_text = (qp.get('text') or '').strip()
+        hint_in = qp.get('aiHint')
+        if hint_in is not None:
+            hint_val = (str(hint_in).strip() or None)
+        else:
+            hint_val = old_hints.get(q_text)
         new_q = Question(
             test_version_id=version.id,
             text=q_text,
             question_order=qp.get('question_order') or (i + 1),
             has_multiple_answers=bool(qp.get('hasMultipleAnswers')),
-            ai_hint=old_hints.get(q_text),
+            ai_hint=hint_val,
         )
         session.add(new_q)
         session.flush()