Remove rondevu-client from dependencies (using npm link)

The demo now uses npm link to use the local client development version
instead of the published package from npm registry.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

package-lock.json

@@ -8,7 +8,6 @@
       "name": "rondevu-demo",
       "version": "2.0.0",
       "dependencies": {
-        "@xtr-dev/rondevu-client": "^0.8.3",
         "@zxing/library": "^0.21.3",
         "qrcode": "^1.5.4",
         "react": "^18.2.0",
@@ -745,15 +744,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
-    "node_modules/@noble/ed25519": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@noble/ed25519/-/ed25519-3.0.0.tgz",
-      "integrity": "sha512-QyteqMNm0GLqfa5SoYbSC3+Pvykwpn95Zgth4MFVSMKBB75ELl9tX1LAVsN4c3HXOrakHsF2gL4zWDAYCcsnzg==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
     "node_modules/@rolldown/pluginutils": {
       "version": "1.0.0-beta.27",
       "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.0-beta.27.tgz",
@@ -1170,15 +1160,6 @@
         "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0"
       }
     },
-    "node_modules/@xtr-dev/rondevu-client": {
-      "version": "0.8.3",
-      "resolved": "https://registry.npmjs.org/@xtr-dev/rondevu-client/-/rondevu-client-0.8.3.tgz",
-      "integrity": "sha512-yvTZYQiOeIuaQgTZPhO3Wud9OEi7Mwxt9b4JYWlhwaReVUNajI1fpWTO8hHu8BrkiowVDabDN0qLFpwRufEvsw==",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/ed25519": "^3.0.0"
-      }
-    },
     "node_modules/@zxing/library": {
       "version": "0.21.3",
       "resolved": "https://registry.npmjs.org/@zxing/library/-/library-0.21.3.tgz",

package.json

@@ -10,7 +10,6 @@
     "deploy": "npm run build && npx wrangler pages deploy dist --project-name=rondevu-demo"
   },
   "dependencies": {
-    "@xtr-dev/rondevu-client": "^0.8.3",
     "@zxing/library": "^0.21.3",
     "qrcode": "^1.5.4",
     "react": "^18.2.0",