Initial commit: Port Nimara CRM (Layers 0-4)

Full CRM rebuild with Next.js 15, TypeScript, Tailwind, Drizzle ORM,
PostgreSQL, Redis, BullMQ, MinIO, and Socket.io. Includes 461 source
files covering clients, berths, interests/pipeline, documents/EOI,
expenses/invoices, email, notifications, dashboard, admin, and
client portal. CI/CD via Gitea Actions with Docker builds.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/api/v1/settings/feature-flag/route.ts

@@ -0,0 +1,24 @@
+import { NextResponse } from 'next/server';
+import { and, eq } from 'drizzle-orm';
+
+import { withAuth } from '@/lib/api/helpers';
+import { db } from '@/lib/db';
+import { systemSettings } from '@/lib/db/schema/system';
+import { errorResponse } from '@/lib/errors';
+
+export const GET = withAuth(async (req, ctx) => {
+  try {
+    const key = req.nextUrl.searchParams.get('key');
+    if (!key) {
+      return NextResponse.json({ error: 'key query parameter is required' }, { status: 400 });
+    }
+
+    const setting = await db.query.systemSettings.findFirst({
+      where: and(eq(systemSettings.key, key), eq(systemSettings.portId, ctx.portId)),
+    });
+
+    return NextResponse.json({ enabled: setting?.value === true });
+  } catch (error) {
+    return errorResponse(error);
+  }
+});