fix: picker reads the registry's release packs

tests/test_site_r2_components.py

@@ -225,8 +225,9 @@ class Picker(unittest.TestCase):
         self.assertNotRegex(source, r"`\$\{files\.length\} files")
         self.assertIn("<figcaption>Terminal</figcaption>", source)
         self.assertIn("flex-direction: column;", source)
-        # The size gap is the release against the current list, from release.json.
-        self.assertIn("import release from '../../../release.json';", source)
+        # The size gap is the release against the current list, from the
+        # release record reduced to the registry's release_pack setups.
+        self.assertIn("import release from '../generated/release-advertised.json';", source)
         self.assertIn("It was built from the list of that day.", source)
 
 

website/src/components/FilePicker.astro

@@ -4,19 +4,23 @@
 // which convert.py derives from install/<platform>.json. The selection
 // follows install.py narrow(): a file is kept when one of its systems is
 // chosen, a file with no system when "other" is chosen.
-// The list follows the current data; release.json says what the published
-// ZIP of each setup holds, so the page can say when the two differ.
-import release from '../../../release.json';
+// The list follows the current data. release-advertised.json says what the
+// published ZIP of each setup holds, so the page can say when the two
+// differ. generate_site.py writes it from release_record.load_advertised():
+// the release record reduced to the setups the registry marks release_pack,
+// the rule the setup pages and get/ pages follow. A setup the release still
+// holds a pack for but the registry no longer marks gets no ZIP line here.
+import release from '../generated/release-advertised.json';
 
 const base = import.meta.env.BASE_URL.replace(/\/?$/, '/');
 const packs = Object.fromEntries(
-	Object.values(release.packs).flatMap((pack) =>
+	Object.values(release.packs ?? {}).flatMap((pack) =>
 		pack.platforms.map((platform) => [platform, { files: pack.files, size: pack.extracted_size }]),
 	),
 );
 ---
 
-<div class="rb-picker" data-base={base} data-release={JSON.stringify({ tag: release.tag, packs })}>
+<div class="rb-picker" data-base={base} data-release={JSON.stringify({ tag: release.tag ?? '', packs })}>
 	<fieldset>
 		<label for="rb-pick-platform">Your setup</label>
 		<select id="rb-pick-platform" name="platform">