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/components/shared/logo.tsx

@@ -0,0 +1,55 @@
+import Image from 'next/image'
+import { cn } from '@/lib/utils'
+
+interface LogoProps {
+  variant?: 'small' | 'long'
+  className?: string
+  showText?: boolean
+  textSuffix?: string
+}
+
+export function Logo({
+  variant = 'small',
+  className,
+  showText = false,
+  textSuffix,
+}: LogoProps) {
+  if (variant === 'long') {
+    return (
+      <div className={cn('flex items-center gap-2', className)}>
+        <Image
+          src="/images/MOPC-blue-long.png"
+          alt="MOPC Logo"
+          width={120}
+          height={40}
+          className="h-8 w-auto"
+          priority
+        />
+        {textSuffix && (
+          <span className="text-xs text-muted-foreground">{textSuffix}</span>
+        )}
+      </div>
+    )
+  }
+
+  return (
+    <div className={cn('flex items-center gap-3', className)}>
+      <Image
+        src="/images/MOPC-blue-small.png"
+        alt="MOPC Logo"
+        width={32}
+        height={32}
+        className="h-8 w-8"
+        priority
+      />
+      {showText && (
+        <div className="flex items-center gap-1">
+          <span className="font-semibold">MOPC</span>
+          {textSuffix && (
+            <span className="text-xs text-muted-foreground">{textSuffix}</span>
+          )}
+        </div>
+      )}
+    </div>
+  )
+}