feat: núcleo de tickets com Convex (CRUD, play, comentários com anexos) + auth placeholder; docs em AGENTS.md; toasts e updates otimistas; mapeadores Zod; refinos PT-BR e layout do painel de detalhes

web/middleware.ts

@@ -0,0 +1,18 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export function middleware(req: NextRequest) {
+  const url = req.nextUrl.clone();
+  const isPublic = url.pathname.startsWith("/login") || url.pathname.startsWith("/_next") || url.pathname.startsWith("/api") || url.pathname.startsWith("/favicon");
+  if (isPublic) return NextResponse.next();
+  const cookie = req.cookies.get("demoUser")?.value;
+  if (!cookie) {
+    const redirect = NextResponse.redirect(new URL("/login", req.url));
+    return redirect;
+  }
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: ["/:path*"],
+};
+