feat(cv): prioritize ATS template choices

docs/architecture/cv-theme-engine.md

@@ -39,7 +39,8 @@ content and deliberate colour/typography/spacing choices remain untouched.
    fields that differ from the defaults and declare its `SupportedSettings` when the defaults do not apply.
 2. Nothing else is wired manually. It appears in `GET /api/cv/themes`, the Template tab and dashboard create flow.
    `GET /api/cv/themes/{id}/preview` renders isolated in-memory sample data for a real visual thumbnail;
-   preview data is never persisted.
+   preview data is never persisted. The shared template gallery is ATS-first by default, can reveal
+   every design, and is reused by both the creation flow and editor.
 3. Add a focused visual/PDF regression only when the template introduces a genuinely new layout behaviour.
 
 Add a `CvBuilderTests.Every_catalog_theme_renders_valid_html` already loops the whole catalog, so a new
@@ -58,8 +59,8 @@ sections and monospaced utility details).
   `[text](url)` via `ThemedCvRenderer.Inline` — everything is HTML-escaped first, then a whitelist is
   re-applied, so no user tag survives. Storage stays plain text (no HTML, no sanitiser dependency).
 - **ATS-friendliness** is a data flag: `CvTheme.AtsFriendly` (set on the single-column themes),
-  surfaced in `GET /api/cv/themes` and badged in the Customize tab. Two-column (sidebar) themes are not
-  flagged, as sidebar layouts can trip naive resume parsers.
+  surfaced in `GET /api/cv/themes`, sorted first and badged in both template choosers. Two-column
+  (sidebar) themes are not flagged, as sidebar layouts can trip naive resume parsers.
 - **Print quality**: ordinary entries use `break-inside: avoid-page`; content classified as too tall
   for a page is allowed to flow between bullets/paragraphs so Chromium cannot clip an unsplittable
   block. Section headings avoid a following break, list items carry widow/orphan rules, and long