diff --git a/package.json b/package.json
index 9094dee..c122b46 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,9 @@
     "vite": "^7.2.6"
   },
   "dependencies": {
+    "@kayahr/text-encoding": "^2.1.0",
     "bits-ui": "^2.14.4",
+    "idb": "^8.0.3",
     "svelte-sonner": "^1.0.7"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 40b56cb..431035c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,9 +8,15 @@ importers:
 
   .:
     dependencies:
+      '@kayahr/text-encoding':
+        specifier: ^2.1.0
+        version: 2.1.0
       bits-ui:
         specifier: ^2.14.4
         version: 2.14.4(@internationalized/date@3.10.1)(@sveltejs/kit@2.49.2(@sveltejs/vite-plugin-svelte@6.2.1(svelte@5.46.0)(vite@7.3.0(@types/node@22.19.3)(jiti@2.6.1)(lightningcss@1.30.2)(sass@1.97.0)(yaml@2.8.2)))(svelte@5.46.0)(vite@7.3.0(@types/node@22.19.3)(jiti@2.6.1)(lightningcss@1.30.2)(sass@1.97.0)(yaml@2.8.2)))(svelte@5.46.0)
+      idb:
+        specifier: ^8.0.3
+        version: 8.0.3
       svelte-sonner:
         specifier: ^1.0.7
         version: 1.0.7(svelte@5.46.0)
@@ -432,6 +438,9 @@ packages:
   '@jridgewell/trace-mapping@0.3.31':
     resolution: {integrity: sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==}
 
+  '@kayahr/text-encoding@2.1.0':
+    resolution: {integrity: sha512-U/2bmZyKG0TvhIws4+tfA8AWtl0RHOaFENQG8DAe7UyEhIYuhpSgijOh4WDFHLIDO6+WyFRM9nZtKm5Pe6iquw==}
+
   '@parcel/watcher-android-arm64@2.5.1':
     resolution: {integrity: sha512-KF8+j9nNbUN8vzOFDpRMsaKBHZ/mcjEjMToVMJOhTozkDonQFFrRcfdLWn6yWKCmJKmdVxSgHiYvTCef4/qcBA==}
     engines: {node: '>= 10.0.0'}
@@ -1251,6 +1260,9 @@ packages:
     engines: {node: '>=18'}
     hasBin: true
 
+  idb@8.0.3:
+    resolution: {integrity: sha512-LtwtVyVYO5BqRvcsKuB2iUMnHwPVByPCXFXOpuU96IZPPoPN6xjOGxZQ74pgSVVLQWtUOYgyeL4GE98BY5D3wg==}
+
   ignore@5.3.2:
     resolution: {integrity: sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==}
     engines: {node: '>= 4'}
@@ -2335,6 +2347,8 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.5
 
+  '@kayahr/text-encoding@2.1.0': {}
+
   '@parcel/watcher-android-arm64@2.5.1':
     optional: true
 
@@ -3107,6 +3121,8 @@ snapshots:
 
   husky@9.1.7: {}
 
+  idb@8.0.3: {}
+
   ignore@5.3.2: {}
 
   ignore@7.0.5: {}