Fix BTC option prices losing trailing zeros in display.

Integer tick formatting was stripping zeros (1370 -> 137), so hedge-plan quotes looked wrong versus the options list.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/exchange/okx_options_lib.py

@@ -116,10 +116,14 @@ def format_option_px(px: float, tick_sz: Any) -> str:
     tick = _safe_float(tick_sz)
     if tick is None or tick <= 0:
         return str(px)
-    decimals = max(0, -int(round(math.log10(tick)))) if tick < 1 else 0
-    if tick >= 1:
-        decimals = len(str(tick).split(".")[-1]) if "." in str(tick) else 0
-    return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    if tick < 1:
+        decimals = max(0, -int(round(math.log10(tick))))
+        return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    # tick>=1(如 BTC 期权 tickSz=5):只按整数展示,禁止 rstrip('0') 把 1370 变成 137
+    if "." in str(tick):
+        decimals = len(str(tick).split(".")[-1])
+        return f"{px:.{decimals}f}".rstrip("0").rstrip(".") or "0"
+    return str(int(round(float(px))))
 
 
 def format_usdc_amount(v: float | None) -> str | None: