fix bug

KAGParser.py

@@ -78,8 +78,9 @@ class TagNode(INode):
                 parts.append(key)
             else:
                 val_str = str(value)
-                # Quote the value if it contains spaces to ensure it's parsed correctly.
-                if " " in val_str or "=" in val_str:
+                # Quote the value if it contains spaces (ASCII or full-width)
+                # to ensure it's parsed correctly on round-trip.
+                if " " in val_str or "\u3000" in val_str or "=" in val_str:
                     parts.append(f'{key}="{val_str}"')
                 else:
                     parts.append(f"{key}={val_str}")
@@ -134,6 +135,9 @@ class KAGScriptParser:
 
     # Regex to parse attributes within a tag/command string.
     # It handles: key=value, key="value", key='value', and boolean keys.
+    # Note: Only ASCII whitespace (space, tab) is treated as an attribute
+    # separator. Unicode whitespace such as U+3000 (full-width space) is
+    # preserved as part of an unquoted value.
     _ATTR_RE = re.compile(
         r"""
         ([a-zA-Z0-9_]+)      # Attribute key
@@ -142,7 +146,7 @@ class KAGScriptParser:
           (
             "[^"]*" |       # Double-quoted value
             '[^']*' |       # Single-quoted value
-            [^\s\]]+        # Unquoted value
+            [^ \t\]]+       # Unquoted value (no ASCII space, tab, or ']')
           )
         )?                  # The entire value part is optional
         """,