Flatted and issues fixed with Claude Desktop.

src/components/canvas/index.js

@@ -0,0 +1,6 @@
+export { DesignCanvas } from './DesignCanvas';
+export { TShirtSVG } from './TShirtSVG';
+export { ImageElement } from './ImageElement';
+export { TextElement } from './TextElement';
+export { TemplateLayer } from './TemplateLayer';
+export { SlotPlaceholder, SlotBoundsGuide } from './SlotPlaceholder';