{"status":"ok","service":"Gemini Core Battle Engine","version":"2026.04.15","timestamp":1783109467534,"endpoints":["GET  /ping - 健康检查","GET  /api/data - 获取武将/战法/兵书数据","GET  /api/lineups - 获取内置阵容列表","POST /api/simulate - 模拟战斗","POST /api/batch - 批量战斗（百场胜率）","POST /api/evaluate - 阵容强度评估","POST /api/decode - 解码阵容字符串"]}