Added export/import features

package-lock.json

@@ -13,6 +13,7 @@
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^7.1.2",
         "@vite-pwa/assets-generator": "^1.0.2",
+        "fake-indexeddb": "^6.2.5",
         "svelte": "^5.56.4",
         "svelte-check": "^4.7.6",
         "vite": "^8.1.1",
@@ -68,7 +69,6 @@
       "integrity": "sha512-RgHBCvtjbOK2gXSNBNIkNoEc9qoVEtau3hj8gEqKQuL3HZAibKarWFEI3Lfm6EYKkLalOh8eSrj9b+ch9H/VBA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.7",
         "@babel/generator": "^7.29.7",
@@ -2999,7 +2999,6 @@
       "integrity": "sha512-MCbrb508JZHqe7bUibmZj/lyojdhLRnfkmyXnkrCM2zVrjTgL89U8UEfInpKTvPeTnxsw2hmyZxnhsdNR6yhwg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "cac": "^6.7.14",
         "colorette": "^2.0.20",
@@ -3062,7 +3061,6 @@
       "integrity": "sha512-lGq+9yr1/GuAWaVYIHRjvvySG5/4VfKIvC8EWxStPdcDh/Ka7FG3twP6v4d5BkravUilhIAsG4Qj83t02LWUPQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3076,7 +3074,6 @@
       "integrity": "sha512-Thbli+OlOj+iMPYFBVBfJ3OmCAnaSyNn4M1vz9T6Gka5Jt9ba/HIR56joy65tY6kx/FCF5VXNB819Y7/GUrBGA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
         "fast-uri": "^3.0.1",
@@ -3308,7 +3305,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.11.20",
         "caniuse-lite": "^1.0.30001810",
@@ -4033,6 +4029,16 @@
         "node": ">=12.0.0"
       }
     },
+    "node_modules/fake-indexeddb": {
+      "version": "6.2.5",
+      "resolved": "https://registry.npmjs.org/fake-indexeddb/-/fake-indexeddb-6.2.5.tgz",
+      "integrity": "sha512-CGnyrvbhPlWYMngksqrSSUT1BAVP49dZocrHuK0SvtR0D5TMs5wP0o3j7jexDJW01KSadjBp1M/71o/KR3nD1w==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -5834,7 +5840,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/estree": "1.0.9"
       },
@@ -6407,7 +6412,6 @@
       "integrity": "sha512-NdbDn7fl4be1ViUG0oq/lvG6OZy3oENolV2ONjiqqsfVoeAfzaQAKUcEX3MrQod/Bebv1PgwET9rfXhgn9s4Kg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@jridgewell/remapping": "^2.3.4",
         "@jridgewell/sourcemap-codec": "^1.5.0",
@@ -6835,7 +6839,6 @@
       "integrity": "sha512-cFKLV/PRgAUlIRm5WjMjJ86jrftzpqcgH+Us+DS8mI3CDNiH30Whrz8uHL3+MOLPAgqbMBAqWdAHAphOAM+z/Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "lightningcss": "^1.33.0",
         "picomatch": "^4.0.5",