feat(site-builder): Section background and dividers default to bg token

Refs #44

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

craft/src/components/layout/Section.toHtml.test.ts

@@ -148,3 +148,23 @@ describe('Section.craft.props exposes the vertical-alignment/box-model/animation
     expect(style.opacity).toBe('1');
   });
 });
+
+describe('Section.toHtml palette token fallbacks (Refs #44)', () => {
+  test('divider fill falls back to the bg token (valid in an SVG style)', () => {
+    const { html } = toHtml({ topDivider: 'wave', bottomDivider: 'curve' }, '');
+    expect(html.match(/fill:var\(--wsb-bg\)/g)).toHaveLength(2);
+    expect(html).not.toContain('#ffffff');
+  });
+  test('a new section (craft default props) paints the bg token and its divider colours', () => {
+    const p = (Section as any).craft.props;
+    expect(p.style.backgroundColor).toBe('var(--wsb-bg)');
+    expect(p.topDividerColor).toBe('var(--wsb-bg)');
+    const { html } = toHtml({ ...p, topDivider: 'wave' }, '');
+    expect(html).toContain('background-color:var(--wsb-bg)');
+    expect(html).toContain('fill:var(--wsb-bg)');
+  });
+  test('explicit divider colour wins', () => {
+    const { html } = toHtml({ topDivider: 'wave', topDividerColor: '#123456' }, '');
+    expect(html).toContain('fill:#123456');
+  });
+});

craft/src/components/layout/Section.tsx

@@ -3,6 +3,7 @@ import { useNode, Element, UserComponent } from '@craftjs/core';
 import { cssPropsToString } from '../../utils/style-helpers';
 import { Container } from './Container';
 import { escapeAttr, cssValue } from '../../utils/escape';
+import { tokenRef } from '../../utils/tokens';
 
 /* ---------- Shape Divider SVG Paths ---------- */
 
@@ -74,7 +75,7 @@ const ShapeDivider: React.FC<{
         style={{
           width: '100%',
           height: '100%',
-          fill: color || '#ffffff',
+          fill: color || tokenRef('bg'),
           transform: isTop ? 'rotate(180deg)' : undefined,
           display: 'block',
         }}
@@ -92,10 +93,10 @@ export const Section: UserComponent<SectionProps> = ({
   innerMaxWidth = '1200px',
   children,
   topDivider = 'none',
-  topDividerColor = '#ffffff',
+  topDividerColor = tokenRef('bg'),
   topDividerHeight = '50px',
   bottomDivider = 'none',
-  bottomDividerColor = '#ffffff',
+  bottomDividerColor = tokenRef('bg'),
   bottomDividerHeight = '50px',
   anchorId,
 }) => {
@@ -158,7 +159,7 @@ Section.craft = {
   props: {
     style: {
       padding: '40px 0',
-      backgroundColor: '#ffffff',
+      backgroundColor: tokenRef('bg'),
       minHeight: '',
       justifyContent: '',
       marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
@@ -169,10 +170,10 @@ Section.craft = {
     },
     innerMaxWidth: '1200px',
     topDivider: 'none',
-    topDividerColor: '#ffffff',
+    topDividerColor: tokenRef('bg'),
     topDividerHeight: '50px',
     bottomDivider: 'none',
-    bottomDividerColor: '#ffffff',
+    bottomDividerColor: tokenRef('bg'),
     bottomDividerHeight: '50px',
     anchorId: '',
     animation: '',
@@ -206,7 +207,7 @@ function buildDividerHtml(
   const isTop = position === 'top';
   const h = height || '50px';
   // Sanitized -- raw string-interpolation sink in the SVG `fill:${c}` below.
-  const c = cssValue(color) || '#ffffff';
+  const c = cssValue(color) || tokenRef('bg');
 
   const wrapperStyle = cssPropsToString({
     position: 'absolute',