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

packages/cli/src/ui/components/messages/InfoMessage.tsx

@@ -14,6 +14,11 @@ interface InfoMessageProps {
 }
 
 export const InfoMessage: React.FC<InfoMessageProps> = ({ text }) => {
+  // Don't render anything if text is empty
+  if (!text || text.trim() === '') {
+    return null;
+  }
+
   const prefix = 'ℹ ';
   const prefixWidth = prefix.length;
 

packages/cli/src/ui/components/messages/SummaryMessage.tsx

@@ -0,0 +1,59 @@
+/**
+ * @license
+ * Copyright 2025 Qwen
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { Box, Text } from 'ink';
+import { SummaryProps } from '../../types.js';
+import Spinner from 'ink-spinner';
+import { Colors } from '../../colors.js';
+
+export interface SummaryDisplayProps {
+  summary: SummaryProps;
+}
+
+/*
+ * Summary messages appear when the /chat summary command is run, and show a loading spinner
+ * while summary generation is in progress, followed up by success confirmation.
+ */
+export const SummaryMessage: React.FC<SummaryDisplayProps> = ({ summary }) => {
+  const getText = () => {
+    if (summary.isPending) {
+      switch (summary.stage) {
+        case 'generating':
+          return 'Generating project summary...';
+        case 'saving':
+          return 'Saving project summary...';
+        default:
+          return 'Processing summary...';
+      }
+    }
+    const baseMessage = 'Project summary generated and saved successfully!';
+    if (summary.filePath) {
+      return `${baseMessage} Saved to: ${summary.filePath}`;
+    }
+    return baseMessage;
+  };
+
+  const getIcon = () => {
+    if (summary.isPending) {
+      return <Spinner type="dots" />;
+    }
+    return <Text color={Colors.AccentGreen}>✅</Text>;
+  };
+
+  return (
+    <Box flexDirection="row">
+      <Box marginRight={1}>{getIcon()}</Box>
+      <Box>
+        <Text
+          color={summary.isPending ? Colors.AccentPurple : Colors.AccentGreen}
+        >
+          {getText()}
+        </Text>
+      </Box>
+    </Box>
+  );
+};