fix(print): wrap flex pages in block container to fix Chrome page breaks

Chrome's print engine silently ignores break-after/page-break-after on
flex containers. Wrapping each .print-page (flex) in a plain block
.print-page-break element gives Chrome a reliable page break anchor.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pitch-deck/app/pitch-print/[versionId]/_components/PrintCoreSlides.tsx

@@ -31,6 +31,7 @@ export function PrintCoverPage({ company, funding, versionName, lang }: { compan
   const de = lang === 'de'
   const instrument = funding?.instrument || 'Pre-Seed'
   return (
+    <div className="print-page-break">
     <div className="print-page" style={{ width: '297mm', height: '210mm', backgroundColor: '#ffffff', display: 'flex', flexDirection: 'column', fontFamily: 'system-ui, -apple-system, sans-serif', boxSizing: 'border-box', margin: '0 auto 32px', boxShadow: '0 4px 24px rgba(0,0,0,0.12)', overflow: 'hidden' }}>
       <div style={{ height: '80px', background: 'linear-gradient(135deg, #4f46e5, #7c3aed)', WebkitPrintColorAdjust: 'exact', printColorAdjust: 'exact', display: 'flex', alignItems: 'center', padding: '0 32px', gap: '16px', flexShrink: 0 }}>
         <span style={{ color: '#fff', fontWeight: 800, fontSize: '30px', letterSpacing: '-0.01em' }}>BreakPilot</span>
@@ -70,6 +71,7 @@ export function PrintCoverPage({ company, funding, versionName, lang }: { compan
         </span>
       </div>
     </div>
+    </div>
   )
 }
 

pitch-deck/app/pitch-print/[versionId]/_components/PrintLayout.tsx

@@ -17,6 +17,7 @@ interface PrintPageProps {
 
 export function PrintPage({ title, pageNum, totalPages, versionName, children }: PrintPageProps) {
   return (
+    <div className="print-page-break">
     <div className="print-page" style={{
       width: '297mm',
       minHeight: '210mm',
@@ -75,6 +76,7 @@ export function PrintPage({ title, pageNum, totalPages, versionName, children }:
         <span style={{ fontSize: '9px', color: TEXT_LIGHT }}>{pageNum} / {totalPages}</span>
       </div>
     </div>
+    </div>
   )
 }