feat: use WebP original for full-screen product image viewer

client/src/shared/lib/get-original-webp-url.ts

@@ -0,0 +1,14 @@
+/** Extract UUID and subdir from a /uploads/... URL */
+function parseUploadUrl(src: string): { uuid: string; ext: string; subdir: string } | null {
+  const match = src.match(/^\/uploads(?:\/(reviews))?\/([^.\\/]+)\.(png|jpe?g|webp)/i)
+  if (!match) return null
+  return { subdir: match[1] || '', uuid: match[2], ext: match[3].toLowerCase() }
+}
+
+/** Get the original WebP URL for full-screen display (no resize) */
+export function getOriginalWebpUrl(src: string): string {
+  const parsed = parseUploadUrl(src)
+  if (!parsed) return src
+  const pathPrefix = parsed.subdir ? `${parsed.subdir}/` : ''
+  return `/uploads/${pathPrefix}${parsed.uuid}.webp`
+}

client/src/shared/ui/OptimizedImage.tsx

@@ -35,14 +35,6 @@ function buildFallbackSrc(src: string, width: number): string {
   return `/uploads-resized/${pathPrefix}${parsed.uuid}.webp?w=${width}`
 }
 
-/** Get the original WebP URL for full-screen display (no resize) */
-export function getOriginalWebpUrl(src: string): string {
-  const parsed = parseUploadUrl(src)
-  if (!parsed) return src
-  const pathPrefix = parsed.subdir ? `${parsed.subdir}/` : ''
-  return `/uploads/${pathPrefix}${parsed.uuid}.webp`
-}
-
 export function OptimizedImage({
   src,
   alt,

client/src/shared/ui/__tests__/OptimizedImage.test.tsx

@@ -1,6 +1,7 @@
 import { render, screen } from '@testing-library/react'
 import { describe, it, expect } from 'vitest'
-import { OptimizedImage, getOriginalWebpUrl } from '@/shared/ui/OptimizedImage'
+import { getOriginalWebpUrl } from '@/shared/lib/get-original-webp-url'
+import { OptimizedImage } from '@/shared/ui/OptimizedImage'
 
 describe('OptimizedImage', () => {
   it('renders a plain img for non-upload URLs', () => {