diff --git a/.claude/skills/meta-compile/scripts/meta-compile.ps1 b/.claude/skills/meta-compile/scripts/meta-compile.ps1
index dd310970..c0359019 100644
--- a/.claude/skills/meta-compile/scripts/meta-compile.ps1
+++ b/.claude/skills/meta-compile/scripts/meta-compile.ps1
@@ -311,6 +311,21 @@ function Emit-FillValue {
 
 # --- 5. Attribute shorthand parser ---
 
+function Build-TypeStr {
+	param($obj)
+	$t = if ($obj.valueType) { "$($obj.valueType)" } elseif ($obj.type) { "$($obj.type)" } else { "" }
+	if ($t -and -not $t.Contains('(')) {
+		if ($t -eq "String" -and $obj.length) {
+			$t = "String($($obj.length))"
+		} elseif ($t -eq "Number" -and $obj.length) {
+			$p = if ($obj.precision) { $obj.precision } else { 0 }
+			$nn = if ($obj.nonneg -or $obj.nonnegative) { ",nonneg" } else { "" }
+			$t = "Number($($obj.length),$p$nn)"
+		}
+	}
+	return $t
+}
+
 function Parse-AttributeShorthand {
 	param($val)
 
@@ -345,20 +360,9 @@ function Parse-AttributeShorthand {
 
 	# Object form
 	$name = "$($val.name)"
-	# Build type string combining type + length/precision from separate JSON fields
-	$typeStr = if ($val.type) { "$($val.type)" } else { "" }
-	if ($typeStr -and -not $typeStr.Contains('(')) {
-		if ($typeStr -eq "String" -and $val.length) {
-			$typeStr = "String($($val.length))"
-		} elseif ($typeStr -eq "Number" -and $val.length) {
-			$prec = if ($val.precision) { $val.precision } else { 0 }
-			$nn = if ($val.nonneg -or $val.nonnegative) { ",nonneg" } else { "" }
-			$typeStr = "Number($($val.length),$prec$nn)"
-		}
-	}
 	return @{
 		name    = $name
-		type    = $typeStr
+		type    = Build-TypeStr $val
 		synonym = if ($val.synonym) { "$($val.synonym)" } else { Split-CamelCase $name }
 		comment = if ($val.comment) { "$($val.comment)" } else { "" }
 		flags   = @(if ($val.flags) { $val.flags } else { @() })
@@ -1150,17 +1154,9 @@ function Emit-ConstantProperties {
 	Emit-MLText $i "Synonym" $synonym
 	X "$i<Comment/>"
 
-	# Type — combine valueType + length/precision from separate JSON fields
-	$valueType = if ($def.valueType) { "$($def.valueType)" } else { "String" }
-	if ($valueType -and -not $valueType.Contains('(')) {
-		if ($valueType -eq "String" -and $def.length) {
-			$valueType = "String($($def.length))"
-		} elseif ($valueType -eq "Number" -and $def.length) {
-			$p = if ($def.precision) { $def.precision } else { 0 }
-			$nn = if ($def.nonneg -or $def.nonnegative) { ",nonneg" } else { "" }
-			$valueType = "Number($($def.length),$p$nn)"
-		}
-	}
+	# Type
+	$valueType = Build-TypeStr $def
+	if (-not $valueType) { $valueType = "String" }
 	Emit-ValueType $i $valueType
 
 	X "$i<UseStandardCommands>true</UseStandardCommands>"
diff --git a/.claude/skills/meta-compile/scripts/meta-compile.py b/.claude/skills/meta-compile/scripts/meta-compile.py
index f422955f..6d629b0b 100644
--- a/.claude/skills/meta-compile/scripts/meta-compile.py
+++ b/.claude/skills/meta-compile/scripts/meta-compile.py
@@ -296,6 +296,17 @@ def emit_fill_value(indent, type_str):
 # 5. Attribute shorthand parser
 # ---------------------------------------------------------------------------
 
+def build_type_str(obj):
+    t = str(obj.get('valueType') or obj.get('type') or '')
+    if t and '(' not in t:
+        if t == 'String' and obj.get('length'):
+            t = f"String({obj['length']})"
+        elif t == 'Number' and obj.get('length'):
+            prec = obj.get('precision', 0)
+            nn = ',nonneg' if obj.get('nonneg') or obj.get('nonnegative') else ''
+            t = f"Number({obj['length']},{prec}{nn})"
+    return t
+
 def parse_attribute_shorthand(val):
     if isinstance(val, str):
         parsed = {
@@ -320,18 +331,9 @@ def parse_attribute_shorthand(val):
         return parsed
     # Object form
     name = str(val.get('name', ''))
-    # Build type string combining type + length/precision from separate JSON fields
-    type_str = str(val['type']) if val.get('type') else ''
-    if type_str and '(' not in type_str:
-        if type_str == 'String' and val.get('length'):
-            type_str = f"String({val['length']})"
-        elif type_str == 'Number' and val.get('length'):
-            prec = val.get('precision', 0)
-            nn = ',nonneg' if val.get('nonneg') or val.get('nonnegative') else ''
-            type_str = f"Number({val['length']},{prec}{nn})"
     return {
         'name': name,
-        'type': type_str,
+        'type': build_type_str(val),
         'synonym': str(val['synonym']) if val.get('synonym') else split_camel_case(name),
         'comment': str(val['comment']) if val.get('comment') else '',
         'flags': list(val.get('flags', [])),
@@ -1023,15 +1025,8 @@ def emit_constant_properties(indent):
     X(f'{i}<Name>{esc_xml(obj_name)}</Name>')
     emit_mltext(i, 'Synonym', synonym)
     X(f'{i}<Comment/>')
-    # Type — combine valueType + length/precision from separate JSON fields
-    value_type = str(defn['valueType']) if defn.get('valueType') else 'String'
-    if value_type and '(' not in value_type:
-        if value_type == 'String' and defn.get('length'):
-            value_type = f"String({defn['length']})"
-        elif value_type == 'Number' and defn.get('length'):
-            prec = defn.get('precision', 0)
-            nn = ',nonneg' if defn.get('nonneg') or defn.get('nonnegative') else ''
-            value_type = f"Number({defn['length']},{prec}{nn})"
+    # Type
+    value_type = build_type_str(defn) or 'String'
     emit_value_type(i, value_type)
     X(f'{i}<UseStandardCommands>true</UseStandardCommands>')
     X(f'{i}<DefaultForm/>')