Ribbon Phase 3: Werkzeug-Sidebar aus Default-Layout, Wandtyp-Picker ins Attribute-Panel, Attribute volle Höhe (LAYOUT_VERSION 8)

src/i18n/de.ts

@@ -221,6 +221,7 @@ export const de = {
   // Attribute-Palette (AttributesPanel)
   "attr.title": "Attribute",
   "attr.empty": "Keine Auswahl",
+  "attr.newComponent": "Neues Bauteil",
   "attr.stroke": "Stift",
   "attr.color": "Farbe",
   "attr.weight": "Strichstärke (mm)",

src/i18n/en.ts

@@ -220,6 +220,7 @@ export const en: Record<TranslationKey, string> = {
   // Attribute-Palette (AttributesPanel)
   "attr.title": "Attributes",
   "attr.empty": "No selection",
+  "attr.newComponent": "New component",
   "attr.stroke": "Pen",
   "attr.color": "Color",
   "attr.weight": "Line weight (mm)",