bsp_monitor: fetcher limit=1000, engine/main tweaks

bsp_monitor/engine.py

@@ -127,7 +127,7 @@ class ChanEngine:
         cst = dt.astimezone(timezone(timedelta(hours=8)))
         return cst.strftime("%Y-%m-%d %H:%M:%S CST")
 
-    def format_bsp_detail(self, bsp: ChanBSP, symbol: str = "BTC/USDT:USDT") -> str:
+    def format_bsp_detail(self, bsp: ChanBSP, symbol: str = "BTC/USDT:USDT", tf: str = "1m") -> str:
         bi = bsp.bi
         klc = bsp.klc
         bsp_type = bsp.type
@@ -138,7 +138,7 @@ class ChanEngine:
 
         symbol_short = symbol.split(":")[0].replace("/", "")
         lines = [
-            f"{emoji} [{dir_label}] {self._bsp_type_name(bsp_type)} — <b>{symbol_short} 1m</b>",
+            f"{emoji} [{dir_label}] {self._bsp_type_name(bsp_type)} — <b>{symbol_short} {tf}</b>",
             "",
             f"⏰ 确认: <code>{self._utc_to_cst(klc.end_time)}</code>",
             f"💰 价格: <b>{klc.close:.2f}</b>",