* 🏗️ refactor: Improve spendTokens logic to handle zero completion tokens and enhance test coverage
* 🏗️ test: Add tests to ensure balance does not go below zero when spending tokens
* 🏗️ fix: Ensure proper continuation in AgentClient when handling errors
* fix: spend token race conditions
* 🏗️ test: Add test for handling multiple concurrent transactions with high balance
* fix: Handle Omni models prompt prefix handling for user messages with array content in OpenAIClient
* refactor: Update checkBalance import paths to use new balanceMethods module
* refactor: Update checkBalance imports and implement updateBalance function for atomic balance updates
* fix: import from replace method
* feat: Add createAutoRefillTransaction method to handle non-balance updating transactions
* refactor: Move auto-refill logic to balanceMethods and enhance checkBalance functionality
* feat: Implement logging for auto-refill transactions in balance checks
* refactor: Remove logRefill calls from multiple client and handler files
* refactor: Move balance checking and auto-refill logic to balanceMethods for improved structure
* refactor: Simplify balance check calls by removing unnecessary balanceRecord assignments
* fix: Prevent negative rawAmount in spendTokens when promptTokens is zero
* fix: Update balanceMethods to use Balance model for findOneAndUpdate
* chore: import order
* refactor: remove unused txMethods file to streamline codebase
* feat: enhance updateBalance and createAutoRefillTransaction methods to support additional parameters for improved balance management
* 🚀 feat: Add automatic refill settings to balance schema
* 🚀 feat: Refactor balance feature to use global interface configuration
* 🚀 feat: Implement auto-refill functionality for balance management
* 🚀 feat: Enhance auto-refill logic and configuration for balance management
* 🚀 chore: Bump version to 0.7.74 in package.json and package-lock.json
* 🚀 chore: Bump version to 0.0.5 in package.json and package-lock.json
* 🚀 docs: Update comment for balance settings in librechat.example.yaml
* chore: space in `.env.example`
* 🚀 feat: Implement balance configuration loading and refactor related components
* 🚀 test: Refactor tests to use custom config for balance feature
* 🚀 fix: Update balance response handling in Transaction.js to use Balance model
* 🚀 test: Update AppService tests to include balance configuration in mock setup
* 🚀 test: Enhance AppService tests with complete balance configuration scenarios
* 🚀 refactor: Rename balanceConfig to balance and update related tests for clarity
* 🚀 refactor: Remove loadDefaultBalance and update balance handling in AppService
* 🚀 test: Update AppService tests to reflect new balance structure and defaults
* 🚀 test: Mock getCustomConfig in BaseClient tests to control balance configuration
* 🚀 test: Add get method to mockCache in OpenAIClient tests for improved cache handling
* 🚀 test: Mock getCustomConfig in OpenAIClient tests to control balance configuration
* 🚀 test: Remove mock for getCustomConfig in OpenAIClient tests to streamline configuration handling
* 🚀 fix: Update balance configuration reference in config.js for consistency
* refactor: Add getBalanceConfig function to retrieve balance configuration
* chore: Comment out example balance settings in librechat.example.yaml
* refactor: Replace getCustomConfig with getBalanceConfig for balance handling
* fix: tests
* refactor: Replace getBalanceConfig call with balance from request locals
* refactor: Update balance handling to use environment variables for configuration
* refactor: Replace getBalanceConfig calls with balance from request locals
* refactor: Simplify balance configuration logic in getBalanceConfig
---------
Co-authored-by: Danny Avila <danny@librechat.ai>