filter

type Filter struct {
	Level     string
	Grep      *regexp.Regexp
	Since     time.Time
	Until     time.Time
	ErrorOnly bool

	// Service, when non-empty, shows only entries from this source (e.g. "redis", "postgres").
	Service string

	// LevelExact: when true, Level filter shows only that level; when false (e.g. CLI --level), Level is minimum (level and above).
	LevelExact bool

	// Fields holds key=value pairs that must all match parsed log fields.
	// e.g. {"user_id": "42", "status": "500"}
	Fields map[string]string

	// Sample, when > 1, passes only every Nth matching entry.
	// The counter is internal — callers use Match() normally.
	Sample int
	// contains filtered or unexported fields
}