fix(pitch-deck): footer readability + finanzplan import endpoint

- Regulatory landscape footer: text-xs text-white/50 (was text-[9px] text-white/20)
- New POST /api/admin/import-fp endpoint to import fp_* data from JSON dump

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pitch-deck/components/slides/RegulatoryLandscapeSlide.tsx

@@ -192,7 +192,7 @@ export default function RegulatoryLandscapeSlide({ lang }: RegulatoryLandscapeSl
 
             {/* Footer note */}
             <div className="pt-2 mt-1 border-t border-white/5">
-              <p className="text-[9px] text-white/20 text-center">
+              <p className="text-xs text-white/50 text-center">
                 {de
                   ? '244 Dokumente gelten horizontal für alle Branchen (DSGVO, BDSG, AI Act, NIS2, CRA, BetrVG, HGB, ...). Sektorspezifische Regulierungen kommen hinzu.'
                   : '244 documents apply horizontally to all industries (GDPR, BDSG, AI Act, NIS2, CRA, ...). Sector-specific regulations are added on top.'}