资金费率套利引擎 BTC/ETH 现货+永续对冲

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root 4168c1dd88 refactor: SQLite→PostgreSQL migration - db.py连接层 + main/collector/signal-engine/backfill全部改PG Phase 1: 核心数据表(agg_trades/rate_snapshots/signal*)迁PG auth.py暂保留SQLite(低频，不影响性能) - db.py: psycopg2同步池 + asyncpg异步池 + PG schema + 分区管理 - main.py: 全部改asyncpg查询 - collector: psycopg2 + execute_values批量写入 - signal-engine: psycopg2同步读写 - backfill: psycopg2 + ON CONFLICT DO NOTHING		2026-02-27 16:15:16 +00:00
backend	refactor: SQLite→PostgreSQL migration - db.py连接层 + main/collector/signal-engine/backfill全部改PG	2026-02-27 16:15:16 +00:00
frontend	feat: V5 signals page - CVD三轨+ATR+VWAP+大单阈值实时展示+信号状态	2026-02-27 15:34:11 +00:00
README.md	Initial commit	2026-02-26 11:53:55 +00:00

arbitrage-engine

资金费率套利引擎 BTC/ETH 现货+永续对冲