* feat: Add validation and account management functionality
- Add validation for clientID and clientSecret in refreshOIDCToken function
- Add weight field for load balancing priority in Account struct
- Implement weighted轮询策略以根据账号权重分配选择概率。
- Add batch account management functionality including enabling, disabling, refreshing, and retrieving account details.
- Update Kiro API version and adjust user agent strings to reflect new version numbers.
- Update Kiro version and modify user agent strings and header settings.
- Refactor model mapping to an ordered list for precise key matching.
- Add account bulk actions and filtering toolbar to index.html
* feat: Add logic to skip accounts with exhausted usage limits
- Add logic to skip accounts with exhausted usage limits when selecting the next account.