Backend v3.0.1-2 Release Highlights:

1. Accounting
   Improved Access and Liabilities
   Fixed negative number representation

2. Trading
   Cancel order: Fixed Improved processing of order cancellation
   Order Display Rights: change rights to show orders in Puppeteer
   Market Rate source: The system now fetches the latest market rates from multiple sources. A rate source can be any market where trading is enabled (toggle switch for trading). The system can also be configured to use a single source for rate calculations.
   
   Admin Configuration
   Admins can manage rate sources in the Rate Source Management section of the admin panel:
   Configuration → Market → Rate Sources
   Trading (fetch rates from active trading markets)
   CoinMarketCap (integrate with external market data)
   Manual Rate Source (manually set rates)

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