Initial commit: MOPC platform with Docker deployment setup

Full Next.js 15 platform with tRPC, Prisma, PostgreSQL, NextAuth.
Includes production Dockerfile (multi-stage, port 7600), docker-compose
with registry-based image pull, Gitea Actions CI workflow, nginx config
for portal.monaco-opc.com, deployment scripts, and DEPLOYMENT.md guide.

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

src/app/error.tsx

@@ -0,0 +1,38 @@
+'use client'
+
+import { useEffect } from 'react'
+import { Button } from '@/components/ui/button'
+import { AlertTriangle } from 'lucide-react'
+
+export default function Error({
+  error,
+  reset,
+}: {
+  error: Error & { digest?: string }
+  reset: () => void
+}) {
+  useEffect(() => {
+    // Log the error to an error reporting service
+    console.error(error)
+  }, [error])
+
+  return (
+    <div className="flex min-h-screen flex-col items-center justify-center gap-4 text-center">
+      <AlertTriangle className="h-16 w-16 text-destructive/50" />
+      <h1 className="text-2xl font-semibold">Something went wrong</h1>
+      <p className="max-w-md text-muted-foreground">
+        An unexpected error occurred. Please try again or contact support if the
+        problem persists.
+      </p>
+      {error.digest && (
+        <p className="text-xs text-muted-foreground">Error ID: {error.digest}</p>
+      )}
+      <div className="flex gap-4">
+        <Button onClick={() => reset()}>Try Again</Button>
+        <Button variant="outline" onClick={() => window.location.reload()}>
+          Refresh Page
+        </Button>
+      </div>
+    </div>
+  )
+}