# Fix Compilation Error: `undefined: parseTime`

The error occurs because the `parseTime` helper function is used in `role_repository.go` and `permission_repository.go` but is not defined in the codebase.

## Root Cause
- The code attempts to manually parse time bytes (`[]uint8`) into `time.Time`.
- However, the database connection (`config/db.go`) is already configured with `parseTime=True`.
- This means the MySQL driver can automatically scan `DATETIME` columns directly into `time.Time` struct fields.

## Solution Plan
Instead of adding the missing helper function, I will refactor the code to use the driver's built-in time parsing capabilities, which is cleaner and consistent with `user_repository.go`.

1.  **Modify `server/repositories/role_repository.go`**:
    - Update `GetRoles`, `GetRoleByID`, `GetRoleByName` functions.
    - Remove temporary `[]uint8` variables for `createdAt` and `updatedAt`.
    - Scan directly into `&role.CreatedAt` and `&role.UpdatedAt`.

2.  **Modify `server/repositories/permission_repository.go`**:
    - Update `GetPermissions` and `GetPermissionsByRoleID` functions.
    - Remove temporary `[]uint8` variables.
    - Scan directly into `&permission.CreatedAt` and `&permission.UpdatedAt`.

This will resolve all "undefined: parseTime" errors and ensure the server compiles successfully.
