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-center.tsx

@@ -0,0 +1,30 @@
+'use client';
+
+/**
+ * Command Center
+ *
+ * Main container for the Swift interface.
+ * Orchestrates Context Bar, Canvas, Recent Strip, and Command Input.
+ */
+
+import { ReactNode } from 'react';
+import { ContextBar } from './context-bar';
+import { CommandInput } from './command-input';
+import { RecentStrip } from './recent-strip';
+
+interface CommandCenterProps {
+  children?: ReactNode;
+}
+
+export function CommandCenter({ children }: CommandCenterProps) {
+  return (
+    <>
+      <ContextBar />
+      <main className="flex-1 flex items-center justify-center p-4 overflow-auto">
+        {children}
+      </main>
+      <RecentStrip />
+      <CommandInput />
+    </>
+  );
+}