Ribbon-UI Phase 1: datengetriebene Tab-Leiste (2D/3D/BIM/Ansichten), additiv unter TopBar

src/i18n/de.ts

@@ -120,6 +120,15 @@ export const de = {
   "tool.circle.hint": "Kreis: Mittelpunkt setzen, dann Radius",
   "tool.arc": "Bogen",
   "tool.arc.hint": "Bogen: Mittelpunkt, Startpunkt, dann Endpunkt (CCW)",
+  // Ribbon-Oberleiste (Tabs + Gruppen)
+  "ribbon.tab.2d": "2D",
+  "ribbon.tab.3d": "3D",
+  "ribbon.tab.bim": "BIM",
+  "ribbon.tab.views": "Ansichten",
+  "ribbon.group.draw": "Zeichnen",
+  "ribbon.group.modify": "Ändern",
+  "ribbon.group.components": "Bauteile",
+  "ribbon.empty": "Noch keine Werkzeuge in diesem Tab",
   "tool.select.hint": "Auswahl — Elemente klicken/aufziehen",
   "tool.window.hint": "Fenster: Wand wählen, dann Position setzen",
   "tool.door.hint": "Tür: Wand wählen, dann Position setzen",

src/i18n/en.ts

@@ -119,6 +119,15 @@ export const en: Record<TranslationKey, string> = {
   "tool.circle.hint": "Circle: set center, then radius",
   "tool.arc": "Arc",
   "tool.arc.hint": "Arc: center, start point, then end point (CCW)",
+  // Ribbon top bar (tabs + groups)
+  "ribbon.tab.2d": "2D",
+  "ribbon.tab.3d": "3D",
+  "ribbon.tab.bim": "BIM",
+  "ribbon.tab.views": "Views",
+  "ribbon.group.draw": "Draw",
+  "ribbon.group.modify": "Modify",
+  "ribbon.group.components": "Components",
+  "ribbon.empty": "No tools in this tab yet",
   "tool.select.hint": "Select — click/drag elements",
   "tool.window.hint": "Window: pick a wall, then set the position",
   "tool.door.hint": "Door: pick a wall, then set the position",