{"message":"TopiCard API is running","endpoints":["POST /topics","POST /topic-index","POST /quiz","POST /enhance-text","POST /mindmap","POST /mindmap-markdown","POST /section-mindmap-markdown","POST /flashcards","POST /code-blueprint","POST /chat","POST /get-tts-token","GET /topics/:userId","POST /topics/:userId","POST /sections/story","POST /sections/free-recall","GET /health","GET /cors-test"]}