fix: resolve build errors and add dialog component

- Add Dialog UI component (shadcn/radix-ui)
- Fix html2pdf.js type annotations with const assertions
- Add @radix-ui/react-dialog dependency

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

apps/web/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@horux/shared": "workspace:*",
     "@radix-ui/react-avatar": "^1.1.0",
-    "@radix-ui/react-dialog": "^1.1.0",
+    "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.0",
     "@radix-ui/react-label": "^2.1.0",
     "@radix-ui/react-select": "^2.1.0",