feat: Maschinenbau als Branche + Zahlen 9→10 Branchen

- Maschinenbau als neue Kern-Branche in Matrix (15 Regularien)
- Alle Branchen-Counts aktualisiert (synced mit breakpilot-lehrer)
- 9→10 Branchen ueberall konsistent (i18n, KPIs, Presenter, FAQ)

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

pitch-deck/components/slides/ExecutiveSummarySlide.tsx

@@ -147,7 +147,7 @@ export default function ExecutiveSummarySlide({ lang, data }: ExecutiveSummarySl
         <div class="label">${es.regulations}</div>
       </div>
       <div class="card kpi">
-        <div class="value">9</div>
+        <div class="value">10</div>
         <div class="label">${es.industries}</div>
       </div>
       <div class="card kpi">
@@ -246,7 +246,7 @@ export default function ExecutiveSummarySlide({ lang, data }: ExecutiveSummarySl
             { value: '170+', label: es.documents, icon: FileText, color: '#6366f1' },
             { value: '40.000+', label: es.controls, icon: Shield, color: '#a78bfa' },
             { value: '84', label: es.regulations, icon: Brain, color: '#60a5fa' },
-            { value: '9', label: es.industries, icon: Server, color: '#34d399' },
+            { value: '10', label: es.industries, icon: Server, color: '#34d399' },
             { value: '761K', label: es.linesOfCode, icon: Target, color: '#fbbf24' },
             { value: amountLabel, label: es.theAsk, icon: TrendingUp, color: '#f472b6' },
           ].map((kpi, idx) => (