init: add source code from src.zip

src/commands/copy/index.ts

@@ -0,0 +1,15 @@
+/**
+ * Copy command - minimal metadata only.
+ * Implementation is lazy-loaded from copy.tsx to reduce startup time.
+ */
+import type { Command } from '../../commands.js'
+
+const copy = {
+  type: 'local-jsx',
+  name: 'copy',
+  description:
+    "Copy Claude's last response to clipboard (or /copy N for the Nth-latest)",
+  load: () => import('./copy.js'),
+} satisfies Command
+
+export default copy