test(sw): approve the SW Viewer Header API and Storybook cleanup baselines

Test-only approval commit after the 34f02bf main merge (sw-test-regression-
baseline section 9); no protected path changes.
- public-api.approved.json from the clean 34f02bf build: 170 exports kept,
  only SWViewerHeader.d.ts changes (7 optional SWViewerHeaderProps).
- approvedMainCommit b4e0771 -> b320a8f; approvedHeaderDeclarations for the
  23d522c Story declarations; withApprovedOrder for the approved SW Header
  first position; storybook-simplification expects SW/Theme hidden.
- Verification report: docs/sw/sw-viewer-storybook-merge-verification-2026-10-21.md

packages/sw/tests/storybook-simplification.browser.mjs

@@ -49,7 +49,8 @@ await m.waitForTimeout(500)
 const rows = await m.locator('#storybook-explorer-tree [data-item-id^="sw-"]').evaluateAll(list => list.map(e => [e.dataset.itemId, e.dataset.nodetype, e.textContent.replace('Skip to content', '').trim()]))
 await writeFile(path.join(out, 'sidebar.json'), JSON.stringify(rows, null, 1))
 const comps = rows.filter(r => r[1] === 'component').map(r => r[2])
-check('sidebar SW order Header → Footer → Popup → Viewer → Theme', JSON.stringify(comps) === JSON.stringify(['Header', 'Footer', 'Popup', 'Viewer', 'Theme']), comps)
+// 2026-10-21 (user request): SW/Theme left the sidebar (verification tag); its Story keeps its ID and direct URL.
+check('sidebar SW order Header → Footer → Popup → Viewer (Theme hidden)', JSON.stringify(comps) === JSON.stringify(['Header', 'Footer', 'Popup', 'Viewer']), comps)
 const hidden = ['sw-header--window-move-motion', 'sw-header--k-guide', 'sw-footer--figma-variants', 'sw-header--detail-buttons', 'sw-header--home-menu-capture-default']
 check('verification Stories not in sidebar', rows.every(r => !hidden.includes(r[0])), rows.filter(r => hidden.includes(r[0])))
 const popupRows = await m.locator('#storybook-explorer-tree [data-item-id]').evaluateAll(list => list.map(e => e.dataset.itemId))