fix(routing): move www redirect from vercel.json to Next.js config

Root cause: The redirect rule in /vercel.json was intercepting ALL requests
(including /api/*) before they reached the Next.js app, causing API routes
to timeout without generating any logs.

Changes:
- Move www → non-www redirect to apps/web/next.config.ts async redirects()
- Remove redirects array from root vercel.json
- Keep cron job configuration in root vercel.json

Why this fixes the issue:
- Next.js handles redirects AFTER route resolution (pages vs API routes)
- API routes execute before redirect logic is applied
- Redirects still work for pages as expected
- More idiomatic for Next.js applications

Testing:
- API routes should now respond: /api/health, /api/tools
- www.tpmjs.com should still redirect to tpmjs.com
- All existing functionality preserved

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

apps/web/next.config.ts

@@ -3,6 +3,21 @@ import type { NextConfig } from 'next';
 const nextConfig: NextConfig = {
   transpilePackages: ['@tpmjs/ui', '@tpmjs/utils', '@tpmjs/db', '@tpmjs/types', '@tpmjs/env'],
   reactStrictMode: true,
+  async redirects() {
+    return [
+      {
+        source: '/:path*',
+        has: [
+          {
+            type: 'host',
+            value: 'www.tpmjs.com',
+          },
+        ],
+        destination: 'https://tpmjs.com/:path*',
+        permanent: true,
+      },
+    ];
+  },
 };
 
 export default nextConfig;

vercel.json

@@ -9,19 +9,6 @@
     "silent": false,
     "autoJobCancelation": true
   },
-  "redirects": [
-    {
-      "source": "/:path*",
-      "has": [
-        {
-          "type": "host",
-          "value": "www.tpmjs.com"
-        }
-      ],
-      "destination": "https://tpmjs.com/:path*",
-      "permanent": true
-    }
-  ],
   "crons": [
     {
       "path": "/api/sync/changes",