Shared Expense Tracker - Google Apps Script Template 共同記帳系統 - Google Apps Script 模板

# Shared Expense Tracker – Complete Deployment Toolkit

> 📌 This toolkit is now maintained as a stable release with all core features fully functional.  
> Future enhancements (such as payment methods and advanced customization) will be developed in a separate new project. This version will not receive further feature updates.

## What's Included

✅ **3-Language Package**  
- English, Japanese, and Traditional Chinese  
- Fully translated templates for each language  
- Choose your preferred version for deployment

✅ **Interactive Deployment Assistant**  
- A guided 4-step setup process  
- Automatically generates ready-to-use code  
- Clear progress indicators  
- Complete your deployment in just minutes

✅ **Whitelist Generator Tool**  
- Enter email addresses and generate whitelist settings instantly  
- No need to manually edit spreadsheet permissions

✅ **Theme Customization Guide**  
- Includes four pre-designed color themes  
- Instructions for creating your own custom palette

✅ **Custom Category Tutorial**  
- Modify existing expense categories  
- Add custom income categories as needed

✅ **30-Day Email Technical Support**  
- Response time: 24–48 hours  
- Assistance for deployment-related issues


## System Features

- **Dual-Mode Tracking**: Switch between personal and shared expense modes  
- **Flexible Splitting**: Equal split, custom amounts, or percentage allocation  
- **Smart Settlement**: Automatically calculates who owes whom  
- **Quick Entry Buttons**: One-tap shortcuts for common expenses  
- **Recurring Expenses**: Auto-record monthly bills  
- **Charts & Analysis**: Category breakdown and trend visualization  
- **4 Themes**: Purple, green, orange-red, and blue  
- **Data Import**: Supports SettleUp and AndroMoney

## Free Alternative

The full source code is available on GitHub under the MIT License.  
This toolkit is intended for users who prefer a guided, streamlined setup without reading extensive documentation.

GitHub: <https://github.com/bill86854238/shared-expense-book>

## Languages Available

📝 English / Japanese / Traditional Chinese

Each language version includes:  
- Fully translated user interface  
- Localized date and currency formatting  
- Documentation in the corresponding language