2 Commits

Author	SHA1	Message	Date
root	e054db112d	feat: paper trading - backend (table+signal_engine integration+5 APIs) + frontend page	2026-02-28 11:10:28 +00:00
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