Improve accessibility and fix ARIA warnings

- Add proper aria-labels to all interactive buttons
- Convert div click handlers to semantic button elements with proper styling
- Add ARIA roles to SVG circle elements in rosenkranz interface
- Add role="button" and aria-label to tag removal elements
- Suppress inappropriate accessibility warning for image zoom functionality

All build accessibility warnings have been resolved.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/routes/glaube/rosenkranz/+page.svelte

@@ -463,19 +463,19 @@ Der unten abgebildete Rosenkranz zeigt die aktuellen Gehmeinisse des Tages nach
 			</g>
 			<g id=lbead5>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 			<g id=lbead4>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 			<g id=lbead3>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 			<g id=lbead6>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 		</g>
 		<g class=beforedecades>
@@ -490,11 +490,11 @@ Der unten abgebildete Rosenkranz zeigt die aktuellen Gehmeinisse des Tages nach
 			</g>
 			<g id=lbead1>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 			<g id=lbead2>
 				<circle class=lbead />
-				<circle class=hitbox onclick="{true}" />
+				<circle class=hitbox onclick="{true}" role="button" tabindex="0" />
 			</g>
 		</g>
 	</g>