feat(swift): E0 Setup & Foundation + documentatie

Swift - Contextual UI EPD: "Van 12 klikken naar 1 zin"

Documentatie:
- PRD, FO, TO, UX specificaties
- Bouwplan met 6 epics, 27 stories (68 SP)
- Analyse en onderzoeksdocumenten

E0 Setup & Foundation:
- E0.S1: Zustand v5.0.9 geïnstalleerd
- E0.S2: Swift store met context, blocks, input state
- E0.S3: /epd/swift route met eigen layout (dark theme)
- E0.S4: Folder structuur components/swift/, lib/swift/

Components:
- CommandCenter (container)
- ContextBar (shift, patient)
- CommandInput (text + voice button)
- RecentStrip (laatste 5 acties)
- BlockContainer (wrapper voor blocks)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

components/swift/command-center/command-input.tsx

@@ -0,0 +1,47 @@
+'use client';
+
+/**
+ * Command Input
+ *
+ * Bottom input bar for text and voice commands.
+ */
+
+import { useSwiftStore } from '@/stores/swift-store';
+import { Mic } from 'lucide-react';
+
+export function CommandInput() {
+  const { inputValue, setInputValue, isVoiceActive, setVoiceActive } = useSwiftStore();
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+    // TODO: Process intent (E2)
+    console.log('Submit:', inputValue);
+  };
+
+  return (
+    <footer className="h-16 border-t border-slate-700 flex items-center px-4 shrink-0">
+      <form onSubmit={handleSubmit} className="flex-1 flex items-center gap-3">
+        <input
+          type="text"
+          value={inputValue}
+          onChange={(e) => setInputValue(e.target.value)}
+          placeholder="Typ je intentie... (bijv. 'notitie jan medicatie')"
+          className="flex-1 bg-slate-800 border border-slate-600 rounded-lg px-4 py-2 text-white placeholder:text-slate-500 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+          autoFocus
+        />
+        <button
+          type="button"
+          onClick={() => setVoiceActive(!isVoiceActive)}
+          className={`p-2 rounded-lg transition-colors ${
+            isVoiceActive
+              ? 'bg-red-600 hover:bg-red-500 text-white'
+              : 'bg-slate-700 hover:bg-slate-600 text-slate-300'
+          }`}
+          title="Voice input"
+        >
+          <Mic size={20} />
+        </button>
+      </form>
+    </footer>
+  );
+}