MVP-1: helpdesk core with dashboard, Telegram channel, customer portal

Next.js 16 + Drizzle/SQLite (matching ~/project-claude conventions), SSE-based
realtime updates, admin dashboard with status columns, ticket thread view,
Telegram long-polling integration (inbound + outbound), token-based customer
portal, Docker Compose packaging.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QcXH24ky6zjk2UyK5oZUPH

next.config.ts

@@ -0,0 +1,11 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  // Not using output: "standalone" — file-tracing only copies argon2's
+  // native .node binaries, not its JS loader, causing a segfault in
+  // production (same issue hit in the sibling project-claude repo).
+  // Deploying with the full node_modules via `next start` is simple
+  // enough for a single-VM deployment.
+};
+
+export default nextConfig;