feat: Kundenersparnis-Folie + Savings FAQ

Neue Folie "Kundenersparnis" mit 3 Unternehmenstypen:
  KMU (25 MA): 97.750→44.530 = 53.220 EUR Ersparnis (ROI 9,1x)
  Mittelstand (100 MA): 419.500→193.880 = 225.620 EUR (ROI 12,6x)
  Konzern (500+ MA): 2.113.500→1.074.080 = 1.039.420 EUR (ROI 17,4x)

Detaillierte Aufschlüsselung pro Kostenposition:
  Pentests pro Anwendung, CE-SW-Risiko pro Produkt,
  Compliance-Team, Entwickler-Produktivität (IDC: 19% Zeitverlust),
  TISAX/ISO, CRA/NIS2, Incident Response

2 neue FAQs: savings-detail (Priority 10) + savings-pentest
System-Prompt angepasst mit konkreten Zahlen

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

pitch-deck/components/PitchDeck.tsx

@@ -34,6 +34,7 @@ import TeamSlide from './slides/TeamSlide'
 import FinancialsSlide from './slides/FinancialsSlide'
 import TheAskSlide from './slides/TheAskSlide'
 import CapTableSlide from './slides/CapTableSlide'
+import SavingsSlide from './slides/SavingsSlide'
 import AIQASlide from './slides/AIQASlide'
 import AssumptionsSlide from './slides/AssumptionsSlide'
 import ArchitectureSlide from './slides/ArchitectureSlide'
@@ -165,6 +166,8 @@ export default function PitchDeck({ lang, onToggleLanguage }: PitchDeckProps) {
         return <TheAskSlide lang={lang} funding={data.funding} />
       case 'cap-table':
         return <CapTableSlide lang={lang} />
+      case 'customer-savings':
+        return <SavingsSlide lang={lang} />
       case 'ai-qa':
         return <AIQASlide lang={lang} />
       case 'annex-assumptions':