- async_provider: AsyncPostgresStore 改用连接池(check_connection 校验), 避免单条长连接在服务重启/空闲超时后永久失效;池大小可经 DEER_FLOW_PG_POOL_MIN/MAX 环境变量调整 - admin_users: 排行榜分析查询的每语句超时按服务端区分 (MySQL>=5.7.4 max_execution_time / MariaDB max_statement_time / MySQL<=5.6 跳过 / PostgreSQL statement_timeout) - config.yaml: checkpointer.use_postgres 置为 true Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>