// From src/Exceptionless.Core/Services/UsageService.cs
public async Task SavePendingUsageAsync()
{
    var utcNow = _timeProvider.GetUtcNow().UtcDateTime;
    await SavePendingOrganizationUsageAsync(utcNow);
    await SavePendingProjectUsageAsync(utcNow);
}

// ✅ Correct: Named placeholders for structured data
_logger.LogInformation("Saving org ({OrganizationId}-{OrganizationName}) event usage",
    organizationId, organization.Name);

_logger.LogError(ex, "Error retrieving event post payload: {Path}", path);

_logger.LogWarning("Unable to parse user agent {UserAgent}. Exception: {Message}",
    userAgent, ex.Message);

// ❌ Wrong: String interpolation loses structure
_logger.LogInformation($"Saving org {organizationId}");

// From src/Exceptionless.Core/Jobs/EventPostsJob.cs
using var _ = _logger.BeginScope(new ExceptionlessState()
    .Organization(ep.OrganizationId)
    .Project(ep.ProjectId));

// All log entries in this scope automatically include org/project context
_logger.LogInformation("Processing event post");

using (_logger.BeginScope(new ExceptionlessState()
    .Organization(organization.Id)
    .Tag("Delete")
    .Tag("Bot")))
{
    _logger.LogInformation("Removing bot events");
}

public async Task<User?> FindUserAsync(string? email)
{
    if (string.IsNullOrWhiteSpace(email))
        return null;

    return await _repository.FindByEmailAsync(email);
}

// Prefer using declarations
using var stream = File.OpenRead(path);

// Async disposal
await using var connection = await CreateConnectionAsync();

// From src/Exceptionless.Core/Services/UsageService.cs
public class UsageService
{
    private readonly IOrganizationRepository _organizationRepository;
    private readonly ICacheClient _cache;
    private readonly TimeProvider _timeProvider;
    private readonly ILogger _logger;

    public UsageService(
        IOrganizationRepository organizationRepository,
        ICacheClient cache,
        TimeProvider timeProvider,
        ILoggerFactory loggerFactory)
    {
        _organizationRepository = organizationRepository;
        _cache = cache;
        _timeProvider = timeProvider;
        _logger = loggerFactory.CreateLogger<UsageService>();
    }
}

public async Task<ActionResult> ProcessAsync(string id)
{
    if (string.IsNullOrEmpty(id))
        return BadRequest("Id is required");

    var entity = await _repository.GetByIdAsync(id);
    if (entity is null)
        return NotFound();

    // Continue processing
}