{"name":"VibeMate API","version":"2.0.0","storage":"Upstash Redis","endpoints":{"POST /api/profile":"上传用户画像","GET /api/match":"获取匹配的同好","GET /api/profiles":"查看所有画像（调试用）","POST /api/lean/activate":"Lean 激活统计","POST /api/lean/heartbeat":"Lean 每日心跳","GET /api/lean/stats":"Lean 使用统计"},"total_profiles":4}