feat: Add Welcome Back Dialog, Project Summary, and Enhanced Quit Options (#553)

packages/cli/src/ui/commands/quitCommand.ts

@@ -7,6 +7,33 @@
 import { formatDuration } from '../utils/formatters.js';
 import { CommandKind, type SlashCommand } from './types.js';
 
+export const quitConfirmCommand: SlashCommand = {
+  name: 'quit-confirm',
+  description: 'Show quit confirmation dialog',
+  kind: CommandKind.BUILT_IN,
+  action: (context) => {
+    const now = Date.now();
+    const { sessionStartTime } = context.session.stats;
+    const wallDuration = now - sessionStartTime.getTime();
+
+    return {
+      type: 'quit_confirmation',
+      messages: [
+        {
+          type: 'user',
+          text: `/quit-confirm`,
+          id: now - 1,
+        },
+        {
+          type: 'quit_confirmation',
+          duration: formatDuration(wallDuration),
+          id: now,
+        },
+      ],
+    };
+  },
+};
+
 export const quitCommand: SlashCommand = {
   name: 'quit',
   altNames: ['exit'],