test(layout): update page-number field expectations

Adjust header/footer token and footer rendering expectations to the
spaced "- N -" format, and migrate the renderer page-context test to the
pageNumberFieldFormat shape.

Author: luccas-harbour

packages/layout-engine/layout-bridge/test/resolveHeaderFooterTokens.test.ts

@@ -81,7 +81,7 @@ describe('resolveHeaderFooterTokens', () => {
     resolveHeaderFooterTokens(blocks, 3, 10, 'iii', 7);
 
     const block = blocks[0] as ParagraphBlock;
-    expect(block.runs[0].text).toBe('-7-');
+    expect(block.runs[0].text).toBe('- 7 -');
     expect((block.runs[0] as TextRun).token).toBe('pageNumber');
   });
 

packages/layout-engine/painters/dom/src/index.test.ts

@@ -5763,7 +5763,7 @@ describe('DomPainter', () => {
 
       const footerEl = mount.querySelector('.superdoc-page-footer');
       expect(footerEl).toBeTruthy();
-      expect(footerEl?.textContent).toBe('-4-');
+      expect(footerEl?.textContent).toBe('- 4 -');
     });
 
     it('bottom-aligns footer content within the footer box', () => {

packages/layout-engine/painters/dom/src/renderer-page-context-patch.test.ts

@@ -9,7 +9,7 @@ const pageNumberBlock: FlowBlock = {
     {
       text: '0',
       token: 'pageNumber',
-      pageNumberFormat: 'upperRoman',
+      pageNumberFieldFormat: { format: 'upperRoman' },
       fontFamily: 'Arial',
       fontSize: 12,
     } as TextRun,