feat: native TRACE log level with design system 0.1.16

Map TRACE to its own 'trace' level instead of grouping with DEBUG,
now that the design system LogViewer supports it natively.
Bump @cameleer/design-system to 0.1.16.

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": "^0.1.15",
+        "@cameleer/design-system": "^0.1.16",
         "@tanstack/react-query": "^5.90.21",
         "openapi-fetch": "^0.17.0",
         "react": "^19.2.4",
@@ -276,9 +276,9 @@
       }
     },
     "node_modules/@cameleer/design-system": {
-      "version": "0.1.15",
-      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.15/design-system-0.1.15.tgz",
-      "integrity": "sha512-+Lt9uu6jKQ+BsJRWwxwdYR5xdDMiDVxopNOE9kiUwiu1GOjEs1s/jz7rnjXwqsuMb9zOZADwu9MLLpoYeivJpw==",
+      "version": "0.1.16",
+      "resolved": "https://gitea.siegeln.net/api/packages/cameleer/npm/%40cameleer%2Fdesign-system/-/0.1.16/design-system-0.1.16.tgz",
+      "integrity": "sha512-8ahFv2cirfV2ZZUoELl4ac2iSCOCpKQf4MznwJwoe9WJDYgmQf81m4Qi5uY+rQDVGpECI2MnLjPQ00HQLi5ybQ==",
       "dependencies": {
         "react": "^19.0.0",
         "react-dom": "^19.0.0",