v0.1.11 harden logging lifecycle, sanitization, and formatter edge cases

type.go

@@ -15,6 +15,7 @@ const ContextSlots = formatter.ContextSlots
 
 // logRecord represents a single log entry
 type logRecord struct {
+	heartbeat bool
 	TimeStamp time.Time
 	Trace     string
 	Args      []any
@@ -31,9 +32,16 @@ type TimerSet struct {
 	heartbeatTicker *time.Ticker
 	retentionChan   <-chan time.Time
 	heartbeatChan   <-chan time.Time
+	diskInterval    time.Duration
 }
 
 // sink is a wrapper around an io.Writer, atomic value type change workaround
 type sink struct {
 	w io.Writer
 }
+
+// flushRequest belongs to one processor generation; the buffered reply permits
+// completion even when the caller has already timed out.
+type flushRequest struct {
+	done chan error
+}