fix download routing, fix layout shift

src/components/nook/FeatureBreakdowns.tsx

@@ -623,7 +623,9 @@ function CalendarDemo() {
     });
   };
   return (
-    <div class="flex flex-col items-center gap-4">
+    /* Fixed height: the day panel expands into reserved space, never
+       shifts the page (matters most on mobile's stacked layout). */
+    <div class="flex h-[316px] flex-col items-center gap-4">
       <IslandPill
         campfire="running"
         right={

src/routes/nook/index.tsx

@@ -8,7 +8,20 @@ import { createSignal, Show } from "solid-js";
 import { useDarkMode } from "~/context/darkMode";
 import { useSite } from "~/context/SiteContext";
 
-const NOOK_DOWNLOAD_URL = "https://freno.me/api/downloads/TheNook-0.2.0.zip";
+/* The appcast's first enclosure always names the latest release dmg. */
+async function downloadNook() {
+  try {
+    const res = await fetch("/api/TheNook/appcast.xml");
+    const xml = await res.text();
+    const url =
+      xml.match(/<enclosure url="([^"]+\.dmg)"/)?.[1] ??
+      xml.match(/<enclosure url="([^"]+\.zip)"/)?.[1];
+    if (!url) throw new Error("no enclosure");
+    window.location.href = url;
+  } catch {
+    console.error("Could not resolve latest Nook download");
+  }
+}
 
 export default function NookLanding() {
   const site = useSite();
@@ -97,7 +110,7 @@ export default function NookLanding() {
               variant="download"
               size="lg"
               color={brandColor()}
-              onClick={() => (window.location.href = NOOK_DOWNLOAD_URL)}
+              onClick={downloadNook}
             >
               Download trial
             </Button>
@@ -154,7 +167,7 @@ export default function NookLanding() {
               variant="download"
               size="lg"
               color={brandColor()}
-              onClick={() => (window.location.href = NOOK_DOWNLOAD_URL)}
+              onClick={downloadNook}
             >
               Download trial
             </Button>

src/server/api/routers/downloads.ts

@@ -67,7 +67,7 @@ const latestAssets: Record<
 > = {
   gaze: { prefix: "downloads/Gaze-", ext: ".dmg" },
   inputhalo: { prefix: "downloads/InputHalo-", ext: ".dmg" },
-  thenook: { prefix: "downloads/TheNook-", ext: ".zip" }
+  thenook: { prefix: "downloads/TheNook-", ext: ".dmg" }
 };
 
 export const downloadsRouter = createTRPCRouter({