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/slides/HowItWorksSlide.tsx

@@ -0,0 +1,65 @@
+'use client'
+
+import { motion } from 'framer-motion'
+import { Language } from '@/lib/types'
+import { t } from '@/lib/i18n'
+import { Plug, Settings, RefreshCw, CheckCircle2 } from 'lucide-react'
+import GradientText from '../ui/GradientText'
+import FadeInView from '../ui/FadeInView'
+
+interface HowItWorksSlideProps {
+  lang: Language
+}
+
+const stepIcons = [Plug, Settings, RefreshCw, CheckCircle2]
+const stepColors = ['text-blue-400', 'text-indigo-400', 'text-purple-400', 'text-green-400']
+
+export default function HowItWorksSlide({ lang }: HowItWorksSlideProps) {
+  const i = t(lang)
+
+  return (
+    <div>
+      <FadeInView className="text-center mb-12">
+        <h2 className="text-4xl md:text-5xl font-bold mb-3">
+          <GradientText>{i.howItWorks.title}</GradientText>
+        </h2>
+        <p className="text-lg text-white/50 max-w-2xl mx-auto">{i.howItWorks.subtitle}</p>
+      </FadeInView>
+
+      <div className="relative max-w-4xl mx-auto">
+        {/* Connection Line */}
+        <div className="absolute left-8 top-12 bottom-12 w-px bg-gradient-to-b from-blue-500 via-purple-500 to-green-500 hidden md:block" />
+
+        <div className="space-y-8">
+          {i.howItWorks.steps.map((step, idx) => {
+            const Icon = stepIcons[idx]
+            return (
+              <motion.div
+                key={idx}
+                initial={{ opacity: 0, x: -30 }}
+                animate={{ opacity: 1, x: 0 }}
+                transition={{ delay: 0.3 + idx * 0.2, duration: 0.5 }}
+                className="flex items-start gap-6 relative"
+              >
+                <div className={`
+                  w-16 h-16 rounded-2xl bg-white/[0.06] border border-white/10
+                  flex items-center justify-center shrink-0 relative z-10
+                  ${stepColors[idx]}
+                `}>
+                  <Icon className="w-7 h-7" />
+                </div>
+                <div className="pt-2">
+                  <div className="flex items-center gap-3 mb-1">
+                    <span className="text-xs font-mono text-white/30">0{idx + 1}</span>
+                    <h3 className="text-xl font-bold text-white">{step.title}</h3>
+                  </div>
+                  <p className="text-sm text-white/50 leading-relaxed max-w-lg">{step.desc}</p>
+                </div>
+              </motion.div>
+            )
+          })}
+        </div>
+      </div>
+    </div>
+  )
+}