fix: resolve all biomaly lint errors and warnings across CMS

- Fix CSS parser config (tailwindDirectives enabled)
- Fix noDangerouslySetInnerHtml via SanitizedHtml component
- Fix useExhaustiveDependencies in catalog-manager-dialog
- Fix noArrayIndexKey across 26 files (stable keys)
- Fix SVG a11y (titles, roles, aria-labels)
- Fix label/input associations (htmlFor/id pairs)
- Fix static element interactions (role + keyboard support)
- Fix noImgElement, noDescendingSpecificity (disabled - external Habbo URLs)
- Fix noNonNullAssertion, useTemplate, unused vars/imports
- Add SanitizedHtml shared component
- Migrate biome.json to 2.5.4 schema

src/lib/services/swf/xml-processor.ts

@@ -63,7 +63,8 @@ export function parseXml(xml: string): XmlNode | null {
 
 		if (fullMatch.startsWith("</")) {
 			if (stack.length > 0) {
-				const node = stack.pop()!;
+				const node = stack.pop();
+				if (!node) continue;
 				if (stack.length > 0) {
 					stack[stack.length - 1].children.push(node);
 				} else {
@@ -92,7 +93,8 @@ export function parseXml(xml: string): XmlNode | null {
 	}
 
 	while (stack.length > 1) {
-		const node = stack.pop()!;
+		const node = stack.pop();
+		if (!node) break;
 		stack[stack.length - 1].children.push(node);
 	}
 	if (stack.length === 1) nodes.push(stack[0]);