fix(wallpaper): proxy Bing images through Worker

scripts/validate.mjs

@@ -0,0 +1,8 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+
+const worker = await import(new URL("../dist/server/index.js", import.meta.url));
+assert.equal(typeof worker.default?.fetch, "function");
+const html = await readFile(new URL("../dist/server/assets.js", import.meta.url), "utf8");
+assert.match(html, /indexHtml/);
+console.log("Life OS Worker artifact is valid");