refactor: import brand assets directly from DS v0.1.34

DS now exports ./assets/* — import PNGs directly via Vite instead of
copying to public/. Removes duplicated brand files from public/.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/package-lock.json

@@ -8,7 +8,7 @@
       "name": "ui",
       "version": "0.0.0",
       "dependencies": {
-        "@cameleer/design-system": "^0.1.33",
+        "@cameleer/design-system": "^0.1.34",
         "@tanstack/react-query": "^5.90.21",
         "lucide-react": "^1.7.0",
         "openapi-fetch": "^0.17.0",
@@ -278,9 +278,9 @@
       }
     },
     "node_modules/@cameleer/design-system": {
-      "version": "0.1.33",
-      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.33/design-system-0.1.33.tgz",
-      "integrity": "sha512-6UdBMtOKnTnVYOTb7gy4EL77prXPYaRf06TCud+l2j+HyDGLYHUJFS1BPqkiQZGxnULtFxLWLJfoJ9qjJV8ZuA==",
+      "version": "0.1.34",
+      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.34/design-system-0.1.34.tgz",
+      "integrity": "sha512-z2B4VF4v0hwRil6G9N31qadk1rN5PQQC4I5A5DO9gZKnyPZ18+KlgNB5zSyYKvl1MV++id9xdSMg2hDGy3Aybg==",
       "dependencies": {
         "lucide-react": "^1.7.0",
         "react": "^19.0.0",