zipseg limit to 1.9G instead of 2G

config.json

@@ -4,5 +4,5 @@
     "zipper":  "7z",
     "compression":  0,
     "Max7zInst":  0,
-    "zipsegLimit":  "2G"
+    "zipsegLimit":  "1.9G"
 }

zip_sequences.py

@@ -57,7 +57,7 @@ DEFAULT_CONFIG = {
     "compressionMethod": "LZMA2",  # Compression method: LZMA2 (multi-threaded), PPMd (single-threaded), BZip2, Deflate
     "dailyFormat": "daily_YYMMDD",
     "Max7zInst": 0,  # Maximum concurrent 7z instances (0 = auto-calculate)
-    "zipsegLimit": "2G",  # Max bytes per 7z segment (e.g. "2G", "2GB"); 0 or omit = no segmenting
+    "zipsegLimit": "1.9G",  # Max bytes per 7z segment (e.g. "1.9G"); keep under Git LFS 2GB limit
 }
 
 
@@ -176,7 +176,7 @@ def _parse_zipseg_limit(value: str | int | float | None) -> int | None:
 
 ZIPSEG_LIMIT_BYTES: int | None = None
 if ZIPPER_TYPE == "7z":
-    raw = CONFIG.get("zipsegLimit", "2G")
+    raw = CONFIG.get("zipsegLimit", "1.9G")
     ZIPSEG_LIMIT_BYTES = _parse_zipseg_limit(raw)
     if ZIPSEG_LIMIT_BYTES is not None and ZIPSEG_LIMIT_BYTES < 100 * 1024 * 1024:
         ZIPSEG_LIMIT_BYTES = 100 * 1024 * 1024  # min 100MB