fix: LOW issues #37-#50 — remove mock data, type auth functions, ImageElement interface, remove dead code, implement zoom/format/search, cleanup

frontend/src/types/cad.types.ts

@@ -54,6 +54,14 @@ export interface CADElement {
   properties: CADProperties;
 }
 
+/** Image element extending base CADElement with image-specific fields */
+export interface ImageElement extends CADElement {
+  type: 'image';
+  properties: CADProperties & {
+    src: string;
+  };
+}
+
 export interface BlockDefinition {
   id: string;
   name: string;

frontend/src/types/ui.types.ts

@@ -124,6 +124,7 @@ export interface CanvasAreaProps {
   onZoomIn: () => void;
   onZoomOut: () => void;
   onZoomFit: () => void;
+  zoomCommand?: 'in' | 'out' | 'fit' | '100' | null;
   onTextEdit?: (el: CADElement) => void;
   onCommandTrigger?: (msg: string) => void;
   blocks?: BlockDefinition[];