merge

src/components/ui/UnitToggle.vue

@@ -5,6 +5,7 @@
       :key="unit"
       type="button"
       :class="{ active: modelValue === unit }"
+      :disabled="disabled"
       @click="$emit('update:modelValue', unit)"
     >
       {{ unit }}
@@ -21,6 +22,10 @@ defineProps({
   units: {
     type: Array,
     default: () => ['mm', 'px']
+  },
+  disabled: {
+    type: Boolean,
+    default: false
   }
 });