- Refactor constant definitions and organization
- Clean up package level variables and functions
- Introduce new `relaymode` and `apitype` packages for constant definitions
- Refactor and simplify code in several packages including `openai`, `relay/channel/baidu`, `relay/util`, `relay/controller`, `relay/channeltype`
- Add helper functions in `relay/channeltype` package to convert channel type constants to corresponding API type constants
- Remove deprecated functions such as `ResponseText2Usage` from `relay/channel/openai/helper.go`
- Modify code in `relay/util/validation.go` and related files to use new `validator.ValidateTextRequest` function
- Rename `util` package to `relaymode` and update related imports in several packages
* feat: add user list sorting and pagination enhancements
* feat: add user list sorting for THEME=air
* feat: add token list sorting and pagination enhancements
* feat: add token list sorting for THEME=air
- Remove the unnecessary `AddRemainQuota` field from `updateTokenDto` struct
- Adjust `cleanToken.RemainQuota` by subtracting `tokenPatch.AddUsedQuota`
- Increase `cleanToken.UsedQuota` by adding `tokenPatch.AddUsedQuota`
- Update `model.RecordLog` call to include `tokenPatch.AddReason` and `tokenPatch.AddUsedQuota` values
- Add `gorm:"-"` tag to exclude certain fields from the database schema
- Add `AddReason` field to the `updateTokenDto` struct
- Record consumption log if `AddUsedQuota` is non-zero
- Record token quota modification log if `AddRemainQuota` is non-zero
- Update and save `cleanToken` with new values
- Updated base image in Dockerfile from `node:16` to `node:18`
- Added `tokenPatch` struct to handle updates to the `Token` model
- Updated `UpdateToken` function to use `tokenPatch` struct for binding JSON
- Improved error handling and validation for token updates
- Refined checks for token status, expiration, and quota
- Enhanced error handling and response for token updates
- Updated JSON response to include `data` field
