feat: add project summary

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

@@ -351,7 +351,7 @@ const summaryCommand: SlashCommand = {
             role: 'user',
             parts: [
               {
-                text: '' + getProjectSummaryPrompt(),
+                text: getProjectSummaryPrompt(),
               },
             ],
           },
@@ -397,7 +397,7 @@ const summaryCommand: SlashCommand = {
 ---
 
 ## Summary Metadata
-**Generated**: ${new Date().toISOString()} This summary was automatically generated from the conversation history and is designed to provide comprehensive context for future development sessions.*
+**Update time**: ${new Date().toISOString()} 
 `;
 
       await fsPromises.writeFile(summaryPath, summaryContent, 'utf8');

packages/cli/src/ui/components/WelcomeBackDialog.tsx

@@ -0,0 +1,123 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { Box, Text } from 'ink';
+import { Colors } from '../colors.js';
+import { ProjectSummaryInfo } from '@qwen-code/qwen-code-core';
+import {
+  RadioButtonSelect,
+  RadioSelectItem,
+} from './shared/RadioButtonSelect.js';
+import { useKeypress } from '../hooks/useKeypress.js';
+
+interface WelcomeBackDialogProps {
+  welcomeBackInfo: ProjectSummaryInfo;
+  onSelect: (choice: 'restart' | 'continue') => void;
+  onClose: () => void;
+}
+
+export function WelcomeBackDialog({
+  welcomeBackInfo,
+  onSelect,
+  onClose,
+}: WelcomeBackDialogProps) {
+  useKeypress(
+    (key) => {
+      if (key.name === 'escape') {
+        onClose();
+      }
+    },
+    { isActive: true },
+  );
+
+  const options: Array<RadioSelectItem<'restart' | 'continue'>> = [
+    {
+      label: 'Start new chat session',
+      value: 'restart',
+    },
+    {
+      label: 'Continue previous conversation',
+      value: 'continue',
+    },
+  ];
+
+  // Extract data from welcomeBackInfo
+  const {
+    timeAgo,
+    goalContent,
+    totalTasks = 0,
+    doneCount = 0,
+    inProgressCount = 0,
+    pendingTasks = [],
+  } = welcomeBackInfo;
+
+  return (
+    <Box
+      flexDirection="column"
+      borderStyle="round"
+      borderColor={Colors.AccentBlue}
+      padding={1}
+      width="100%"
+      marginLeft={1}
+    >
+      <Box flexDirection="column" marginBottom={1}>
+        <Text color={Colors.AccentBlue} bold>
+          👋 Welcome back! (Last updated: {timeAgo})
+        </Text>
+      </Box>
+
+      {/* Overall Goal Section */}
+      {goalContent && (
+        <Box flexDirection="column" marginBottom={1}>
+          <Text color={Colors.Foreground} bold>
+            🎯 Overall Goal:
+          </Text>
+          <Box marginTop={1} paddingLeft={2}>
+            <Text color={Colors.Gray}>{goalContent}</Text>
+          </Box>
+        </Box>
+      )}
+
+      {/* Current Plan Section */}
+      {totalTasks > 0 && (
+        <Box flexDirection="column" marginBottom={1}>
+          <Text color={Colors.Foreground} bold>
+            📋 Current Plan:
+          </Text>
+          <Box marginTop={1} paddingLeft={2}>
+            <Text color={Colors.Gray}>
+              Progress: {doneCount}/{totalTasks} tasks completed
+              {inProgressCount > 0 && `, ${inProgressCount} in progress`}
+            </Text>
+          </Box>
+
+          {pendingTasks.length > 0 && (
+            <Box flexDirection="column" marginTop={1} paddingLeft={2}>
+              <Text color={Colors.Foreground} bold>
+                Pending Tasks:
+              </Text>
+              {pendingTasks.map((task: string, index: number) => (
+                <Text key={index} color={Colors.Gray}>
+                  • {task}
+                </Text>
+              ))}
+            </Box>
+          )}
+        </Box>
+      )}
+
+      {/* Action Selection */}
+      <Box flexDirection="column" marginTop={1}>
+        <Text bold>What would you like to do?</Text>
+        <Text>Choose how to proceed with your session:</Text>
+      </Box>
+
+      <Box marginTop={1}>
+        <RadioButtonSelect items={options} onSelect={onSelect} isFocused />
+      </Box>
+    </Box>
+  );
+}

packages/cli/src/ui/hooks/useWelcomeBack.ts

@@ -0,0 +1,93 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { useState, useEffect, useCallback } from 'react';
+import {
+  getProjectSummaryInfo,
+  type ProjectSummaryInfo,
+  type Config,
+} from '@qwen-code/qwen-code-core';
+
+export interface WelcomeBackState {
+  welcomeBackInfo: ProjectSummaryInfo | null;
+  showWelcomeBackDialog: boolean;
+  welcomeBackChoice: 'restart' | 'continue' | null;
+}
+
+export interface WelcomeBackActions {
+  handleWelcomeBackSelection: (choice: 'restart' | 'continue') => void;
+  handleWelcomeBackClose: () => void;
+  checkWelcomeBack: () => Promise<void>;
+}
+
+export function useWelcomeBack(
+  config: Config,
+  submitQuery: (query: string) => void,
+): WelcomeBackState & WelcomeBackActions {
+  const [welcomeBackInfo, setWelcomeBackInfo] =
+    useState<ProjectSummaryInfo | null>(null);
+  const [showWelcomeBackDialog, setShowWelcomeBackDialog] = useState(false);
+  const [welcomeBackChoice, setWelcomeBackChoice] = useState<
+    'restart' | 'continue' | null
+  >(null);
+
+  // Check for conversation history on startup
+  const checkWelcomeBack = useCallback(async () => {
+    try {
+      const info = await getProjectSummaryInfo();
+      if (info.hasHistory) {
+        setWelcomeBackInfo(info);
+        setShowWelcomeBackDialog(true);
+      }
+    } catch (error) {
+      // Silently ignore errors - welcome back is not critical
+      console.debug('Welcome back check failed:', error);
+    }
+  }, []);
+
+  // Handle welcome back dialog selection
+  const handleWelcomeBackSelection = useCallback(
+    (choice: 'restart' | 'continue') => {
+      setWelcomeBackChoice(choice);
+      setShowWelcomeBackDialog(false);
+
+      if (choice === 'continue' && welcomeBackInfo?.content) {
+        // Load conversation history as context
+        const contextMessage = `Based on our previous conversation, here's the current project status:
+
+${welcomeBackInfo.content}
+
+Let's continue where we left off. What would you like to work on next?`;
+
+        // Submit the context as the initial prompt
+        submitQuery(contextMessage);
+      }
+      // If choice is 'restart', just close the dialog and continue normally
+    },
+    [welcomeBackInfo, submitQuery],
+  );
+
+  const handleWelcomeBackClose = useCallback(() => {
+    setWelcomeBackChoice('restart'); // Default to restart when closed
+    setShowWelcomeBackDialog(false);
+  }, []);
+
+  // Check for welcome back on mount
+  useEffect(() => {
+    checkWelcomeBack();
+  }, [checkWelcomeBack]);
+
+  return {
+    // State
+    welcomeBackInfo,
+    showWelcomeBackDialog,
+    welcomeBackChoice,
+    // Actions
+    handleWelcomeBackSelection,
+    handleWelcomeBackClose,
+    checkWelcomeBack,
+  };
+}