asw-v01: archive deferred content (packs, site, lab, legacy examples)

- 2.1: packs/ -> archive/packs/
- 2.2: site/ -> archive/site/
- 2.3: src/lab/ -> archive/lab/
- 2.4: examples/ -> archive/examples-legacy/ (SSI-based)

archive/packs/hugo/layouts/partials/head.html

@@ -0,0 +1,20 @@
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>
+  {{- if .IsHome -}}
+    {{ .Site.Title }}
+  {{- else -}}
+    {{ .Title }} · {{ .Site.Title }}
+  {{- end -}}
+</title>
+{{- with .Description }}<meta name="description" content="{{ . }}">{{- end }}
+{{- if not .Description }}{{- with .Site.Params.description }}<meta name="description" content="{{ . }}">{{- end }}{{- end }}
+
+<!-- ASW framework CSS — absURL ensures correct path when served at a subpath -->
+<link rel="stylesheet" href="{{ "css/asw.css" | absURL }}">
+<!-- Trentuna theme tokens: Inter, JetBrains Mono, dark palette -->
+<link rel="stylesheet" href="{{ "css/theme.css" | absURL }}">
+
+{{- range .AlternativeOutputFormats -}}
+<link rel="{{ .Rel }}" type="{{ .MediaType.Type }}" href="{{ .Permalink | safeURL }}">
+{{- end }}

archive/packs/hugo/layouts/partials/tag-nav.html

@@ -0,0 +1,21 @@
+{{- /*
+  tag-nav.html — renders all site tags as a navigable tag cloud.
+  
+  Usage in a layout:
+    {{ partial "tag-nav.html" . }}
+  
+  Outputs: <nav data-role="tag-cloud"> with links to each tag page.
+  The (N) count shows how many pages have each tag.
+*/ -}}
+{{- $tags := .Site.Taxonomies.tags -}}
+{{- if $tags }}
+<nav data-role="tag-cloud" aria-label="Browse by tag">
+  {{- range $name, $pages := $tags }}
+  {{- $tagPage := site.GetPage (printf "/tags/%s" ($name | urlize)) }}
+  <a href="{{ if $tagPage }}{{ $tagPage.Permalink }}{{ else }}{{ print site.BaseURL "tags/" ($name | urlize) "/" }}{{ end }}" data-tag="{{ $name }}">
+    {{ $name -}}
+    <small>({{ len $pages }})</small>
+  </a>
+  {{- end }}
+</nav>
+{{- end }}