fix: add A01 ornamental auth assets

tests/a01-a02-ui-contract.ps1

@@ -88,25 +88,43 @@ foreach ($requiredVisualAnchor in @(
   'margin-top: 98rpx',
   'margin-top: 141rpx',
   'top: 70rpx',
-  'width: 56rpx',
+  'width: 64rpx',
   'inset: 6rpx',
   'entry-button__content',
   'translateX(-20rpx)',
+  'auth-button-corner-v1.png',
+  'auth-divider-knot-v1.png',
+  'auth-title-cloud-v1.png',
+  'button-corner-asset',
+  'align-items: center',
+  'white-space: nowrap',
   'font-size: 20rpx',
   'width: 30rpx',
   'height: 30rpx'
 )) {
   Assert-Contains -Content $entry -Expected $requiredVisualAnchor -Message "Missing A-01 calibrated visual anchor: $requiredVisualAnchor"
 }
-foreach ($rejectedVisualConstruction in @('link-line', 'button-corner', 'class="auth-button primary-button"')) {
+foreach ($rejectedVisualConstruction in @('link-line', 'button-corner--legacy', 'class="auth-button primary-button"')) {
   Assert-NotContains -Content $entry -Unexpected $rejectedVisualConstruction -Message "A-01 retains rejected visual construction: $rejectedVisualConstruction"
 }
 foreach ($forbiddenClass in @('entryGuideVisual', 'guide-art', 'entry-hit', 'width: 750rpx', 'min-height: 1625rpx')) {
   Assert-NotContains -Content $entry -Unexpected $forbiddenClass -Message "A-01 must not render the whole design image with $forbiddenClass"
 }
-Assert-Contains -Content $entry -Expected '/static/assets/icons/action/create-cloud-v2.png' -Message 'A-01 title and divider must use the local auspicious-cloud asset'
+Assert-NotContains -Content $entry -Unexpected '/static/assets/icons/action/create-cloud-v2.png' -Message 'A-01 must not reuse the mismatched create-cloud asset for its title or divider ornaments'
 Assert-Contains -Content $entry -Expected 'filter: brightness(0) invert(1)' -Message 'A-01 primary login icon must render in white'
 Assert-NotContains -Content $entry -Unexpected $dividerGlyph -Message 'A-01 divider must not use a text glyph as ornament'
+if (([regex]::Matches($entry, 'button-corner-asset button-corner-asset--')).Count -ne 8) {
+  throw 'A-01 must render the generated ornamental corner asset in all four corners of both entry buttons'
+}
+if (([regex]::Matches($entry, 'auth-divider-knot-v1\.png')).Count -ne 2) {
+  throw 'A-01 must render the dedicated divider-knot asset above and below the subtitle'
+}
+if ($entry -notmatch '(?s)\.agreement-row\s*\{[^}]*align-items:\s*center') {
+  throw 'A-01 agreement checkbox and copy must align on one horizontal center line'
+}
+if ($entry -notmatch '(?s)\.agreement-copy\s*\{[^}]*white-space:\s*nowrap') {
+  throw 'A-01 agreement copy must remain on a single line'
+}
 if ($entry -match '(?s)\.auth-page\s*\{[^}]*overflow\s*:\s*hidden') {
   throw 'A-01 must allow vertical scrolling on small screens'
 }