diff --git a/vite.config.js b/vite.config.js
index b9b89e2..165a216 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -152,8 +152,17 @@ export default defineConfig({
               cacheableResponse: { statuses: [0, 200] },
             },
           },
+          // Same-origin path rules below use the full-URL form
+          // `^https?://[^/]+/<path>/` rather than a path-only `^/<path>/`.
+          // Workbox matches RegExp urlPatterns against the request's
+          // full href (e.g. "https://example.com/stickers/cat.png"),
+          // so a regex anchored with `^/<path>/` would require the URL
+          // string to literally START with that path — which it never
+          // does, since the URL always starts with the scheme. The full
+          // form anchors at the scheme and consumes the origin
+          // explicitly, then matches the intended pathname.
           {
-            urlPattern: /^\/uploads\/.*/i,
+            urlPattern: /^https?:\/\/[^/]+\/uploads\//i,
             handler: 'CacheFirst',
             options: {
               cacheName: 'uploaded-images',
@@ -161,7 +170,7 @@ export default defineConfig({
             },
           },
           {
-            urlPattern: /^\/api\/.*/i,
+            urlPattern: /^https?:\/\/[^/]+\/api\//i,
             handler: 'NetworkFirst',
             options: {
               cacheName: 'api-responses',
@@ -199,7 +208,7 @@ export default defineConfig({
             // Browser storage quotas (typically tens to hundreds of MB)
             // remain the ultimate ceiling — maxEntries just stops
             // Workbox from evicting earlier than the browser would.
-            urlPattern: /^\/stickers\/.*/i,
+            urlPattern: /^https?:\/\/[^/]+\/stickers\//i,
             handler: 'CacheFirst',
             options: {
               cacheName: 'sticker-library',