fix: serve manifest via API route to bypass nginx 403 on static files

memento-note/app/api/manifest/route.ts

@@ -0,0 +1,35 @@
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  return NextResponse.json(
+    {
+      name: "Memento Notes",
+      short_name: "Memento",
+      description: "A smart, local-first note taking app with AI capabilities.",
+      start_url: "/",
+      display: "standalone",
+      background_color: "#F2F0E9",
+      theme_color: "#1C1C1C",
+      icons: [
+        {
+          src: "/icons/icon-192.svg",
+          sizes: "192x192",
+          type: "image/svg+xml",
+          purpose: "any maskable",
+        },
+        {
+          src: "/icons/icon-512.svg",
+          sizes: "512x512",
+          type: "image/svg+xml",
+          purpose: "any maskable",
+        },
+      ],
+    },
+    {
+      headers: {
+        "Content-Type": "application/manifest+json",
+        "Cache-Control": "public, max-age=86400",
+      },
+    }
+  );
+}