feat: 全链路新增 type 字段支持 + exchange.ts 超时退出优化

- TS: exit 函数统一管理进程退出与 DB 连接关闭；10s 超时 + 异常路径 clearTimeout
- Python: PairType(spot/um/cm) 贯穿 Kline 模型、策略配置、数据查询
- 回测脚本升级: 9策略 × 4币种 × 6时间级别 × 2交易类型
- 新增 generate_report.py 回测报告生成工具

data/run/exchange.ts

@@ -3,6 +3,14 @@ import { getAllPairs, updatePairLastBackfillTime } from '../service/pair';
 import { upsertOrUpdateKlines } from "../service/kline";
 import { fetchKlines } from '../exchanges';
 
+import { AppDataSource } from '../db/data-source';
+
+async function exit() {
+    AppDataSource.destroy().finally(() => {
+        process.exit(0);
+    });
+}
+
 function getNowMinuteMS() {
     const minuteMS = 1000 * 60;
     return Math.floor(Date.now() / minuteMS) * minuteMS
@@ -12,17 +20,19 @@ const allPairs = await getAllPairs();
 
 for (const pair of allPairs) {
     let lastBackfillTime = pair.last_backfill_time.getTime();
-    try {
-        while (lastBackfillTime < getNowMinuteMS()) {
-            console.log('lastBackfillTime', lastBackfillTime);
+    while (lastBackfillTime < getNowMinuteMS()) {
+        const timer = setTimeout(exit, 10000);
+        try {
+            logger.info({ lastBackfillTime }, '回补进度');
             const klines = await fetchKlines({
                 exchange: 'binance',
                 type: pair.type,
                 symbol: pair.symbol,
                 startTime: lastBackfillTime,
-                limit: 500,
+                limit: 1000,
             });
-            console.log(`拉取到 ${klines.length} 条 K 线`);
+            clearTimeout(timer);
+            logger.info(`拉取到 ${klines.length} 条 K 线`);
             if (klines.length > 0) {
                 await upsertOrUpdateKlines(klines);
                 const lastK = klines[klines.length - 1];
@@ -34,20 +44,19 @@ for (const pair of allPairs) {
                     lastBackfillTime = lastK.openTime;
                 }
             }
-            await new Promise((resolve) => {
-                setTimeout(resolve, Math.random() * 1000);
-            });
+        } catch (err) {
+            clearTimeout(timer);
+            logger.error({ err }, "拉取失败");
         }
-    } catch (err) {
-        console.error("拉取失败:", err);
+        await new Promise((resolve) => {
+            setTimeout(resolve, Math.random() * 1000);
+        });
     }
 }
 
-// 所有币种回补完成以后等待1秒关闭pgsql连接退出此进程
-await new Promise((resolve) => setTimeout(resolve, 1000));
-const { AppDataSource } = await import("../db/data-source");
-if (AppDataSource.isInitialized) {
-    await AppDataSource.destroy();
-    console.log("pgsql 连接已关闭");
-}
-process.exit(0);
+// 所有交易对均已完成回补，等待 10~40 秒再退出，
+// 避免外部进程管理立即重启导致高频空查触发 API 限流。
+await new Promise((resolve) => {
+    setTimeout(resolve, Math.random() * 30 * 1000 + 10000);
+});
+exit();