handoff review fixes: deploy log removed from the repo (internal infra notes do not belong in the handover), diagrams moved to the content repo, pages glob non-recursive, dead badge/pill css and stale design-system pointers removed, node engines declared, README states access and node prerequisites, demo-only dev server settings dropped, audit clean

src/pages/index.astro

@@ -6,10 +6,10 @@ import NewsCard from '../components/NewsCard.astro';
 const posts = (await getCollection('news', ({ data }) => !data.draft))
   .sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf())
   .slice(0, 3);
-// Services per the Science Portal spec. Tiles carry no status chrome — honesty
-// lives at the interaction point (REQUIREMENTS §5): each target page opens with
-// its own whisper badge. Planned services stay in the grid but subdued (muted,
-// no link) with availability folded into the description text.
+// Services per the Science Portal spec (REQUIREMENTS §5). Tiles carry no
+// status chrome; the footer's demo note is the single mock disclosure.
+// Planned services stay in the grid but subdued (muted, no link) with
+// availability folded into the description text.
 // Tile icons: hand-drawn stroke glyphs in the header-icon family (.ico —
 // currentColor, round caps), aria-hidden. NN/g icon research: icons alone are
 // ambiguous, but NEXT TO an always-visible label they differentiate otherwise
@@ -35,7 +35,7 @@ const planned = ['Scheduling', 'Science alerts'];
 <Base title="CTAO Science Portal" description="News, observation proposals, data and user services of the Cherenkov Telescope Array Observatory" ambient>
   {/* Photographic hero: LST-1 under the La Palma night sky (copied from the
       content library to /brand/hero.jpg) beneath the Galaxy scrim — text
-      contrast computed worst-case in DESIGN.md. Three elements only:
+      contrast computed worst-case at design time. Three elements only:
       headline, brand subtitle, CTA pair (Apple hero restraint). */}
   <section class="hero-band">
     <div class="band-bg" aria-hidden="true"></div>
@@ -60,7 +60,7 @@ const planned = ['Scheduling', 'Science alerts'];
       for the user's top tasks; for scientists that is proposals/data/support,
       not reading news. Freshness is still signalled above the fold by the
       one-line hero teaser, so the 3-card news section can sit below.
-      Surface rhythm (DESIGN.md): services on Moon Gray, editorial news on white. */}
+      Surface rhythm: services on Moon Gray, editorial news on white. */}
   <section class="band--moon">
     <div class="container page">
       <div class="section-head"><h2>Services</h2></div>