chore(deps): move packages to TypeScript 6.0.3

Raises the typescript devDependency across the workspace, bumps package
versions, re-adds ignoreDeprecations, and repoints the @wrnexus registry.

These were pre-existing working-tree changes, committed as-is rather than
authored here. The .npmrc change redirects @wrnexus publishes from
registry.npmjs.org to registry.workroot.in — confirm that is intended
before publishing from this branch.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

examples/auth-showcase/package.json

@@ -19,10 +19,10 @@
     "@wrnexus/validation": "workspace:*"
   },
   "devDependencies": {
-    "@iconify-json/lucide": "^1.2.0",
-    "@iconify/tailwind4": "^1.0.0",
-    "@tailwindcss/cli": "^4.0.0",
-    "tailwindcss": "^4.0.0",
-    "typescript": "^5.9.2"
+    "@iconify-json/lucide": "^1.2.123",
+    "@iconify/tailwind4": "^1.2.3",
+    "@tailwindcss/cli": "^4.3.3",
+    "tailwindcss": "^4.3.3",
+    "typescript": "^6.0.3"
   }
 }