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feat: 健康检查加币安 API/WS，订单簿 bids 空防护，自动价差历史取 20 根

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- ApiHealthCheckService: 新增币安 API(ping)、币安 WebSocket(5m/15m 连接状态)
- BinanceKlineService: 连接状态追踪 getConnectionStatuses 供健康检查
- CryptoTailOrderbookWsService: book 事件 bids 为空时不再取 [0]，避免 Index 0 out of bounds
- BinanceKlineAutoSpreadService + 文档 + i18n: 历史 K 线由 30 根改为 20 根

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
WrBug
2026-02-14 15:27:22 +08:00
co-authored by Cursor
parent b50e43c239
commit 9fef4bea59
8 changed files with 120 additions and 18 deletions
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frontend/src/locales/zh-CN/common.json
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@@ -1446,7 +1446,7 @@
"timeWindowStartLEEnd": "时间区间开始不能大于结束",
"timeWindowExceed": "时间区间不能超过周期长度",
"minSpreadMode": "最小价差",
"minSpreadModeTip": "根据当前周期开盘价与收盘价的价差决定是否下单。自动：系统按历史 30 根 K 线计算建议价差（每周期更新）；固定：您输入一个数值（如 30），仅当价差 ≥ 该值时才下单；无：不校验价差，满足价格区间即下单。",
"minSpreadModeTip": "根据当前周期开盘价与收盘价的价差决定是否下单。自动：系统按历史 20 根 K 线计算建议价差（每周期更新）；固定：您输入一个数值（如 30），仅当价差 ≥ 该值时才下单；无：不校验价差，满足价格区间即下单。",
"minSpreadModeNone": "无",
"minSpreadModeFixed": "固定",
"minSpreadModeAuto": "自动",