3 values systeme for heritage

src/composables/useTextDefaults.js

@@ -1,11 +1,13 @@
 import { reactive } from 'vue';
 
 // Singleton reactive — TextSettings writes here, ElementPopup reads when disabled
+// Initial values match stylesheet.print.css (overwritten by syncFromStore on first mount)
 const defaults = reactive({
-  fontSize: { value: 16, unit: 'px' },
-  lineHeight: { value: 20, unit: 'px' },
+  fontSize: { value: 14, unit: 'px' },
+  lineHeight: { value: 18, unit: 'px' },
   fontFamily: 'sans-serif',
   color: 'rgb(0, 0, 0)',
+  _initialized: false,
 });
 
 export function useTextDefaults() {