logger

type Config struct {
	Level  string `mapstructure:"level" json:"level" default:"info"`
	Output string `mapstructure:"output" json:"output" default:"stdout"`
	Type   string `mapstructure:"type" json:"type" default:"json"`
	// TraceCorrelation adds the active trace and span IDs to log and audit
	// records. No-op unless tracing is enabled via `server.trace`. Nil means enabled.
	TraceCorrelation *bool `mapstructure:"trace_correlation" json:"trace_correlation" default:"true"`
	// AuditTimeout is the audit processing budget. Non-positive values use five seconds.
	AuditTimeout time.Duration `mapstructure:"audit_timeout" json:"audit_timeout" yaml:"audit_timeout" default:"5s"`
	// AuditProcessor overrides audit delivery for Go callers and is never serialized.
	AuditProcessor audit.Processor `mapstructure:"-" json:"-" yaml:"-"`
	// ContextAttrs derive attributes from each record's context. Go callers only.
	ContextAttrs []ContextAttrFunc `mapstructure:"-" json:"-" yaml:"-"`
}

type ContextAttrFunc func(context.Context) []slog.Attr

type Logger struct {
	*slog.Logger
	Audit *audit.Logger
}