feat: add pitch-deck service to core infrastructure

Migrated pitch-deck from breakpilot-pwa to breakpilot-core.
Container: bp-core-pitch-deck on port 3012.

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

pitch-deck/components/ui/ScenarioSwitcher.tsx

@@ -0,0 +1,63 @@
+'use client'
+
+import { FMScenario } from '@/lib/types'
+import { motion } from 'framer-motion'
+
+interface ScenarioSwitcherProps {
+  scenarios: FMScenario[]
+  activeId: string | null
+  compareMode: boolean
+  onSelect: (id: string) => void
+  onToggleCompare: () => void
+  lang: 'de' | 'en'
+}
+
+export default function ScenarioSwitcher({
+  scenarios,
+  activeId,
+  compareMode,
+  onSelect,
+  onToggleCompare,
+  lang,
+}: ScenarioSwitcherProps) {
+  return (
+    <div className="space-y-2">
+      <div className="flex items-center justify-between">
+        <p className="text-[10px] text-white/40 uppercase tracking-wider">
+          {lang === 'de' ? 'Szenarien' : 'Scenarios'}
+        </p>
+        <button
+          onClick={onToggleCompare}
+          className={`text-[10px] px-2 py-1 rounded-lg transition-colors
+            ${compareMode
+              ? 'bg-indigo-500/30 text-indigo-300 border border-indigo-500/40'
+              : 'bg-white/[0.06] text-white/40 border border-white/10 hover:text-white/60'
+            }`}
+        >
+          {lang === 'de' ? 'Vergleichen' : 'Compare'}
+        </button>
+      </div>
+
+      <div className="flex gap-2">
+        {scenarios.map((s) => (
+          <motion.button
+            key={s.id}
+            whileTap={{ scale: 0.95 }}
+            onClick={() => onSelect(s.id)}
+            className={`flex items-center gap-1.5 px-3 py-1.5 rounded-lg text-xs transition-all
+              ${activeId === s.id
+                ? 'bg-white/[0.12] border border-white/20 text-white'
+                : 'bg-white/[0.04] border border-white/10 text-white/50 hover:text-white/70'
+              }`}
+          >
+            <span
+              className="w-2 h-2 rounded-full"
+              style={{ backgroundColor: s.color }}
+            />
+            {s.name}
+          </motion.button>
+        ))}
+      </div>
+    </div>
+  )
+}