0.2.64 update

server/internal/logging/logging_test.go

@@ -2,6 +2,7 @@ package logging
 
 import (
 	"bytes"
+	"io"
 	"log/slog"
 	"path/filepath"
 	"strings"
@@ -138,6 +139,22 @@ func TestBufferedLoggerRetainsStructuredEventsWithCursorPagination(t *testing.T)
 	}
 }
 
+func TestTailCursorReadDoesNotCopyTheRing(t *testing.T) {
+	logger, buffer := NewBuffered(io.Discard, slog.LevelInfo, 5_000, FormatConsole)
+	for range 5_000 {
+		logger.Info("request complete")
+	}
+	allocations := testing.AllocsPerRun(100, func() {
+		page := buffer.Events(5_000, 1_000)
+		if len(page.Events) != 0 || page.HasMore {
+			t.Fatalf("tail cursor unexpectedly returned events: %+v", page)
+		}
+	})
+	if allocations > 2 {
+		t.Fatalf("tail cursor allocated %.1f objects; the ring may be getting copied", allocations)
+	}
+}
+
 func TestPersistentBufferRestoresTheRetainedTail(t *testing.T) {
 	path := filepath.Join(t.TempDir(), "events.jsonl")
 	var output bytes.Buffer