build(ci): rebuild Pages daily so scheduled posts go live

.github/workflows/pages-refresh.yml

@@ -0,0 +1,22 @@
+name: pages refresh
+
+# GitHub Pages only builds when the publishing branch changes, and
+# `future: false` hides future-dated posts at build time. Request a build once a
+# day so a post dated for today goes live without needing a push.
+on:
+  schedule:
+    - cron: "15 6 * * *" # daily 06:15 UTC
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+
+jobs:
+  rebuild:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Request a GitHub Pages build
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: gh api --method POST "repos/${GITHUB_REPOSITORY}/pages/builds"

AGENTS.md

@@ -48,7 +48,8 @@ separate PRs. Do not mix them unless the user explicitly asks for one PR.
 - The filename slug is the public URL (`/YYYY/MM/DD/<final-slug>.html`), so
   choose the final name here rather than during drafting.
 - `date` is the intended publication date, not the date the draft was written.
-  A future date schedules the post and is allowed.
+  A future date is allowed. `.github/workflows/pages-refresh.yml` rebuilds the
+  site daily, so the post appears within a day of that date without a push.
 - Done when `bundle exec jekyll build` passes and the rendered URL, title,
   date, and tags are correct.