Fix Windows git commit ValueError: embedded null character.

Use git commit -F and strip NULs from argv/version strings (0.3.7).

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

export1c_help/config_version.py

@@ -76,6 +76,11 @@ def read_config_name(src_root: Path) -> str | None:
     return read_config_identity(src_root).name
 
 
+def _sanitize_text(s: str) -> str:
+    """Drop NULs (UTF-16 mis-reads / dirty dumps) that break Windows APIs."""
+    return s.replace("\0", "").strip()
+
+
 def read_config_identity(src_root: Path) -> ConfigIdentity:
     """Version, Name, Synonym (ru), Vendor from dump."""
     src_root = Path(src_root)
@@ -84,7 +89,9 @@ def read_config_identity(src_root: Path) -> ConfigIdentity:
     version = "unknown"
     version_file = root / "VERSION"
     if version_file.is_file():
-        text = version_file.read_text(encoding="utf-8-sig", errors="ignore").strip()
+        text = _sanitize_text(
+            version_file.read_text(encoding="utf-8-sig", errors="ignore")
+        )
         if text:
             version = text.splitlines()[0].strip()
 
@@ -103,22 +110,22 @@ def read_config_identity(src_root: Path) -> ConfigIdentity:
         if version == "unknown":
             m = _VERSION_TAG.search(props)
             if m:
-                version = m.group(1).strip()
+                version = _sanitize_text(m.group(1)) or "unknown"
 
         m = _NAME_TAG.search(props)
         if m:
-            name = m.group(1).strip() or None
+            name = _sanitize_text(m.group(1)) or None
 
         m = _SYN_RE.search(props)
         if m:
-            synonym = _xml_unescape(m.group(1).strip()) or None
+            synonym = _sanitize_text(_xml_unescape(m.group(1))) or None
 
         m = _VENDOR_TAG.search(props)
         if m:
-            vendor = _xml_unescape(m.group(1).strip()) or None
+            vendor = _sanitize_text(_xml_unescape(m.group(1))) or None
 
     return ConfigIdentity(
-        version=version or "unknown",
+        version=_sanitize_text(version) or "unknown",
         name=name,
         synonym=synonym,
         vendor=vendor,