feat(pitch-deck): legal disclaimer slide + projection footer on financial slides

New DisclaimerSlide (last slide):
- Full liability disclaimer (German/English)
- Confidentiality clause (purpose limitation, 3yr duration, Konstanz jurisdiction)
- Status as private individual in founding preparation

ProjectionFooter component on 4 financial slides:
- FinancialsSlide, TheAskSlide, FinanzplanSlide, CapTableSlide
- "Alle Finanzdaten sind Planzahlen" disclaimer

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

pitch-deck/components/PitchDeck.tsx

@@ -42,6 +42,7 @@ import RegulatorySlide from './slides/RegulatorySlide'
 import EngineeringSlide from './slides/EngineeringSlide'
 import AIPipelineSlide from './slides/AIPipelineSlide'
 import USPSlide from './slides/USPSlide'
+import DisclaimerSlide from './slides/DisclaimerSlide'
 import ExecutiveSummarySlide from './slides/ExecutiveSummarySlide'
 import RegulatoryLandscapeSlide from './slides/RegulatoryLandscapeSlide'
 import CapTableSlide from './slides/CapTableSlide'
@@ -197,6 +198,8 @@ export default function PitchDeck({ lang, onToggleLanguage, investor, onLogout,
         return <FinanzplanSlide lang={lang} />
       case 'annex-glossary':
         return <GlossarySlide lang={lang} />
+      case 'legal-disclaimer':
+        return <DisclaimerSlide lang={lang} />
       default:
         return null
     }