format: Apply Prettier to existing codebase

Formatting-only changes across all component and story files.
No logic or behaviour changes — only whitespace, line breaks, and trailing commas.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/organisms/ServiceSelector/ServiceSelector.tsx

@@ -92,13 +92,7 @@ export const ServiceSelector = React.forwardRef<HTMLDivElement, ServiceSelectorP
     const isContinueDisabled = continueDisabled ?? nothingSelected;
 
     return (
-      <Box
-        ref={ref}
-        sx={[
-          { width: '100%' },
-          ...(Array.isArray(sx) ? sx : [sx]),
-        ]}
-      >
+      <Box ref={ref} sx={[{ width: '100%' }, ...(Array.isArray(sx) ? sx : [sx])]}>
         {/* Header */}
         <Box sx={{ mb: 3 }}>
           <Typography variant="h4" component="h2" sx={{ mb: subheading ? 1 : 0 }}>