clan-app: 3d UI Remove unused files and exports

pkgs/clan-app/ui/package.json

@@ -12,6 +12,7 @@
     "check": "tsc --noEmit --skipLibCheck && eslint ./src",
     "test": "vitest run --project unit --typecheck",
     "storybook": "storybook",
+    "knip": "knip",
     "storybook-build": "storybook build",
     "storybook-dev": "storybook dev -p 6006",
     "test-storybook": "vitest run --project storybook",
@@ -43,6 +44,7 @@
     "eslint-plugin-tailwindcss": "^3.17.0",
     "http-server": "^14.1.1",
     "jsdom": "^26.1.0",
+    "knip": "^5.61.2",
     "playwright": "~1.52.0",
     "postcss": "^8.4.38",
     "postcss-url": "^10.1.3",
@@ -68,10 +70,8 @@
     "@tanstack/eslint-plugin-query": "^5.51.12",
     "@tanstack/solid-query": "^5.76.0",
     "corvu": "^0.7.1",
-    "material-icons": "^1.13.12",
     "nanoid": "^5.0.7",
     "solid-js": "^1.9.7",
-    "solid-markdown": "^2.0.13",
     "solid-toast": "^0.5.0",
     "three": "^0.176.0"
   },