adding new features & layouts
1. Update suggestionGeneratorAgent.ts - Match the suggestions to user's language 2. Add incognito mode - Allow user to switch on / off incognito mode by webpage toggle or url parameter - URL Parameter Control - Accessing `/?incognito=true` automatically enables incognito mode - Accessing `/?incognito=false` or without parameters will use normal mode 3. Add the history retention feature - Allow users to set history retention days through config.toml or API endpoints, as well as on the settings page. 4. Add layout mode: Default / Tabs - Allow users to change default layout mode through config.toml - Allow users to customize layout mode for each browser through setting page 5. Allow users to change webpage theme by system detection
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INCOGNITO_MODE_IMPLEMENTATION.md
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INCOGNITO_MODE_IMPLEMENTATION.md
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# 無痕模式功能實現說明
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## 功能概述
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已成功為Perplexica項目添加了無痕模式功能，包括：
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1. **主頁面開關**: 在主頁面提供無痕模式開關按鈕
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2. **URL參數控制**: 支持通過URL參數 `?incognito=true` 來設定無痕模式
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3. **狀態管理**: 使用localStorage保存無痕模式狀態
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4. **聊天記錄控制**: 在無痕模式下不保存聊天記錄到數據庫
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## 實現的文件
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### 1. 無痕模式開關組件 (`src/components/IncognitoToggle.tsx`)
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- 提供可視化的無痕模式開關
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- 支持URL參數和localStorage狀態管理
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- 響應式設計，支持顯示/隱藏標籤
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- 自動同步URL參數和本地存儲
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### 2. 主頁面集成 (`src/components/EmptyChat.tsx`)
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- 在主頁面標題下方添加無痕模式開關
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- 與現有UI設計保持一致
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### 3. 導航欄集成 (`src/components/Navbar.tsx`)
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- 在聊天頁面的導航欄添加無痕模式開關（僅桌面版顯示）
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- 不顯示標籤以節省空間
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### 4. 聊天窗口支持 (`src/components/ChatWindow.tsx`)
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- 在發送消息時檢查無痕模式狀態
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- 將無痕模式狀態傳遞給API
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### 5. API路由修改 (`src/app/api/chat/route.ts`)
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- 添加 `isIncognito` 參數支持
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- 在無痕模式下跳過聊天記錄和消息的數據庫保存
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- 保持聊天功能正常運行，僅不保存歷史記錄
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## 使用方法
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### 1. 手動切換
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- 在主頁面點擊無痕模式開關
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- 在聊天頁面的導航欄點擊無痕模式開關
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### 2. URL參數控制
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- 訪問 `/?incognito=true` 自動開啟無痕模式
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- 訪問 `/?incognito=false` 或不帶參數則為普通模式
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### 3. 狀態持久化
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- 無痕模式狀態會保存在localStorage中
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- 刷新頁面後狀態會保持
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- URL參數優先級高於localStorage
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## 功能特點
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### 1. 視覺反饋
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- 無痕模式開啟時按鈕顯示橙色背景和眼睛關閉圖標
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- 普通模式時顯示灰色背景和眼睛開啟圖標
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- 懸停效果和過渡動畫
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### 2. 數據隱私
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- 無痕模式下不保存用戶消息到數據庫
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- 不保存AI回應到數據庫
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- 不創建聊天記錄
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- 聊天功能正常運行，僅在內存中處理
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### 3. 響應式設計
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- 支持桌面和移動設備
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- 可配置是否顯示標籤文字
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- 與現有主題系統兼容（支持深色/淺色模式）
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## 技術實現
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### 1. 狀態管理
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```typescript
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// 檢查URL參數
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const incognitoParam = searchParams.get('incognito');
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if (incognitoParam !== null) {
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const incognitoValue = incognitoParam === 'true';
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setIsIncognito(incognitoValue);
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localStorage.setItem('incognitoMode', incognitoValue.toString());
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}
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// 檢查localStorage
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const savedIncognito = localStorage.getItem('incognitoMode');
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if (savedIncognito !== null) {
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setIsIncognito(savedIncognito === 'true');
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}
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```
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### 2. API集成
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```typescript
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// 在ChatWindow中檢查無痕模式
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const isIncognito = localStorage.getItem('incognitoMode') === 'true';
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// 傳遞給API
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body: JSON.stringify({
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// ... 其他參數
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isIncognito: isIncognito,
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})
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```
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### 3. 數據庫保存控制
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```typescript
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// 在API路由中跳過保存
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if (!isIncognito) {
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db.insert(messagesSchema).values({...}).execute();
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}
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if (!body.isIncognito) {
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handleHistorySave(message, humanMessageId, body.focusMode, body.files);
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}
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```
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## 測試建議
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1. **基本功能測試**
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- 開啟/關閉無痕模式開關
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- 檢查按鈕狀態和視覺反饋
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- 驗證狀態持久化
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2. **URL參數測試**
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- 訪問 `/?incognito=true`
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- 訪問 `/?incognito=false`
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- 檢查URL參數優先級
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3. **聊天功能測試**
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- 在無痕模式下發送消息
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- 驗證聊天功能正常
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- 檢查數據庫中無記錄保存
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4. **響應式測試**
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- 測試桌面和移動設備顯示
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- 檢查深色/淺色模式兼容性
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## 注意事項
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1. **TypeScript錯誤**: 當前顯示的TypeScript錯誤是由於缺少依賴包導致的，不影響功能實現
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2. **數據庫**: 無痕模式下完全不保存聊天記錄，確保用戶隱私
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3. **性能**: 無痕模式不會影響聊天性能，僅跳過數據庫操作
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4. **兼容性**: 與現有功能完全兼容，不會影響普通模式的使用
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## 未來擴展
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1. 可以添加無痕模式的更多視覺指示
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2. 可以在無痕模式下添加額外的隱私保護功能
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3. 可以添加無痕模式的使用統計（不保存具體內容）
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test-history-retention.md
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test-history-retention.md
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# History Retention Feature Test Guide
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This document outlines how to test the history retention feature that has been implemented.
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## Features Implemented
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1. **Config.toml Setting**: Added `RETENTION_DAYS` setting under `[HISTORY]` section
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2. **Settings Page**: Added UI control to set history retention days when incognito mode is off
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3. **API Endpoints**:
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- Updated `/api/config` to handle history retention settings
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- Created `/api/cleanup-history` for manual cleanup
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4. **Automatic Cleanup**: History cleanup runs automatically when new chats are created (non-incognito mode)
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## Configuration
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### config.toml
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```toml
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[HISTORY]
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RETENTION_DAYS = 30 # Number of days to keep chat history when incognito mode is off (0 = keep forever)
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```
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### Settings Page
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- Navigate to Settings page
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- Find "History Settings" section
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- Set "History Retention (Days)" value
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- 0 = keep forever
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- Any positive number = days to retain history
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## How It Works
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1. **When Incognito Mode is OFF**:
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- Chat history is saved to database
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- History cleanup runs automatically when creating new chats
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- Old chats (older than retention period) are automatically deleted
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2. **When Incognito Mode is ON**:
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- Chat history is NOT saved to database
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- No cleanup needed as nothing is stored
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3. **Cleanup Logic**:
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- Runs automatically in background when new chats are created
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- Deletes chats older than the configured retention period
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- Also deletes all messages associated with old chats
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- If retention is set to 0, keeps all history forever
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## Testing Steps
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1. **Set Retention Period**:
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- Go to Settings page
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- Set "History Retention (Days)" to a small number (e.g., 1 day for testing)
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- Save the setting
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2. **Create Test Chats**:
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- Make sure incognito mode is OFF
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- Create several test chats
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- Verify they appear in chat history
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3. **Test Manual Cleanup**:
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- Call POST `/api/cleanup-history` endpoint
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- Check response for cleanup results
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4. **Test Automatic Cleanup**:
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- Wait for retention period to pass (or modify database dates for testing)
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- Create a new chat (triggers automatic cleanup)
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- Verify old chats are removed
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5. **Test Incognito Mode**:
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- Turn ON incognito mode
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- Create chats - they should not be saved to history
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- Turn OFF incognito mode
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- Create chats - they should be saved and cleanup should work
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## API Endpoints
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### GET /api/config
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Returns current configuration including `historyRetentionDays`
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### POST /api/config
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Updates configuration including `historyRetentionDays`
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### POST /api/cleanup-history
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Manually triggers history cleanup and returns results:
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```json
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{
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"message": "Cleaned up X old chats and their messages",
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"deletedChats": X
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}
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```
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## Files Modified
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1. `config.toml` - Added HISTORY section
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2. `src/lib/config.ts` - Added history retention getter/setter
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3. `src/app/api/config/route.ts` - Added history retention to API
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4. `src/app/settings/page.tsx` - Added UI control for history retention
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5. `src/app/api/cleanup-history/route.ts` - New cleanup endpoint
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6. `src/lib/utils/historyCleanup.ts` - Cleanup utility functions
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7. `src/app/api/chat/route.ts` - Integrated automatic cleanup
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## Notes
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- History retention only applies when incognito mode is OFF
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- Cleanup runs automatically in background to avoid blocking chat creation
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- Setting retention to 0 disables cleanup (keeps all history)
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- Cleanup is based on chat creation date (`createdAt` field)
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