4 Commits

Author	SHA1	Message	Date
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
root	23c7597a40	fix: backfill sleep 2s per batch to avoid SQLite WAL lock contention	2026-02-27 15:44:43 +00:00
root	3e630166b4	fix: backfill meta update - handle existing rows with NOT NULL last_agg_id	2026-02-27 15:03:24 +00:00
root	009f114e4d	feat: backfill_agg_trades.py - historical aggTrades REST backfill with rate limiting, continuity check	2026-02-27 15:01:55 +00:00