chore(release): v0.22.2 — landing perf + SEO polish

VERSION

@@ -1 +1 @@
-0.22.1
+0.22.2

frontend/src/lib/releaseNotes.ts

@@ -14,6 +14,17 @@ export interface ReleaseEntry {
 }
 
 export const RELEASE_NOTES: ReleaseEntry[] = [
+  {
+    version: "0.22.2",
+    date: "2026-07-04",
+    summary: "A faster, tidier sign-in page.",
+    fixes: [
+      "The landing page loads much faster — its preview screenshots are now served in a modern, far smaller image format, and static assets are cached so repeat visits are near-instant.",
+    ],
+    chores: [
+      "Search-engine metadata (page description, robots.txt) and a cleaner console on the public page.",
+    ],
+  },
   {
     version: "0.22.1",
     date: "2026-07-04",