ConvertMapToSlice converts a map to a slice of metrics.

DecideShouldRetryAfterError checks if an error is retryable (database or file-related).

ExtractValue converts metric value to a string based on its type.

LogMetric logs metric details.

MetricsToHTML generates an HTML table of metrics, using a builder for performance.

ProcessMetricsDuplicates consolidates duplicate metrics in a slice by ID and type.

UpdateCounterMetric aggregates Counter metrics.

UpdateMetricInMap updates a metric in the given map, creating or updating as needed.

ValidateMetric checks if a metric is valid based on its type and fields.