style: move the next-update note into the footer

Drop the standalone note from the home page and add the next scheduled
run to the footer's meta row, alongside the copyright and RSS line.
Compute the label once in _config.ts and expose it as global data.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: kt3k

_config.ts

@@ -26,6 +26,32 @@ const watched = (reposDoc.repos ?? []).map((r) =>
 );
 site.data("watched", watched);
 
+// Next scheduled daily run (cron "0 6 * * *"): the upcoming 06:00 UTC, computed
+// at build time and shown in the footer.
+const MONTHS = [
+  "Jan",
+  "Feb",
+  "Mar",
+  "Apr",
+  "May",
+  "Jun",
+  "Jul",
+  "Aug",
+  "Sep",
+  "Oct",
+  "Nov",
+  "Dec",
+];
+const buildNow = new Date();
+const nextRun = new Date(`${buildNow.toISOString().slice(0, 10)}T06:00:00Z`);
+if (nextRun.getTime() <= buildNow.getTime()) {
+  nextRun.setUTCDate(nextRun.getUTCDate() + 1);
+}
+site.data(
+  "nextUpdate",
+  `${MONTHS[nextRun.getUTCMonth()]} ${nextRun.getUTCDate()}, 06:00 UTC`,
+);
+
 // Tailwind entry stylesheet (compiled by the tailwindcss plugin).
 site.add("/styles.css");
 
@@ -91,7 +117,9 @@ site.process([".html"], (pages) => {
           .map((h, i) => {
             const open = i === 0 ? "(" : "";
             const close = i === hashes.length - 1 ? ")" : "";
-            return `<span class="commit-ref">${open}${render(h)}${close}</span>`;
+            return `<span class="commit-ref">${open}${
+              render(h)
+            }${close}</span>`;
           })
           .join(", ");
       },

src/_includes/layouts/base.vto

@@ -36,6 +36,8 @@
         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="h-3.5 w-3.5" aria-hidden="true"><path d="M4 19a1 1 0 1 0 2 0a1 1 0 1 0 -2 0"></path><path d="M4 4a16 16 0 0 1 16 16"></path><path d="M4 11a9 9 0 0 1 9 9"></path></svg>
         RSS on every repo page
       </span>
+      <span aria-hidden="true">·</span>
+      <span>Next update {{ nextUpdate }}</span>
     </div>
   </footer>
 </body>

src/index.page.ts

@@ -195,16 +195,5 @@ export default function (data: Lume.Data): string {
       <p class="m-0 text-lg leading-snug text-ink-soft">A daily, LLM-written digest of selected git repositories. <a class="font-semibold text-accent no-underline hover:underline" href="/about">How it works →</a></p>
     </div>`;
 
-  // Next scheduled daily run: the upcoming 06:00 UTC relative to build time.
-  const now = new Date();
-  const nextRun = new Date(`${ymd(now)}T06:00:00Z`);
-  if (nextRun.getTime() <= now.getTime()) {
-    nextRun.setUTCDate(nextRun.getUTCDate() + 1);
-  }
-  const nextNote =
-    `<p class="mb-8 m-0 text-right text-xs text-ink-soft">Next update scheduled for ${
-      human(nextRun)
-    }, 06:00 UTC.</p>`;
-
-  return `${intro}${nextNote}<div>${cards.join("\n")}</div>${script}`;
+  return `${intro}<div>${cards.join("\n")}</div>${script}`;
 }