Store 1m/5m/1h/12h/1d/1w with per-timeframe policies, aggregate 15m and 2h/4h on read, and support left-pan history fetches via before_ms. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
新增行情区单图与周期切换,K 线优先读 hub_kline.db,不足时经各实例 /api/hub/ohlcv 补齐;无后台定时更新。含回滚标签说明与单元测试。 Co-authored-by: Cursor <cursoragent@cursor.com>