Add database integration, auth API, admin/user portals, and deploy-db.sh

src/app/api/auth/login/route.ts

@@ -0,0 +1,25 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { authenticateUser, createSession } from '@/lib/auth';
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { username, password } = body;
+
+    if (!username || !password) {
+      return NextResponse.json({ error: 'Missing username or password' }, { status: 400 });
+    }
+
+    const user = await authenticateUser(username, password);
+    if (!user) {
+      return NextResponse.json({ error: 'Invalid credentials' }, { status: 401 });
+    }
+
+    await createSession(user);
+
+    return NextResponse.json({ role: user.role, username: user.username });
+  } catch (error) {
+    console.error('Login error:', error);
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
+  }
+}