infra: add logging wrapping

Resolves issues with gcp cloud logging quirks such as field names

go/internal/media/helpers.go

@@ -4,10 +4,11 @@ import (
 	"bytes"
 	"context"
 	"errors"
-	"log/slog"
 	"os"
 	"os/exec"
 	"strings"
+
+	"github.com/flowy-live/llink/internal/utils/flog"
 )
 
 func IsIOSPlayableMime(mime string) bool {
@@ -56,7 +57,7 @@ func TranscodeToMp4(ctx context.Context, input TranscodeInput) (*TranscodeOutput
 
 	tmp, err := os.CreateTemp("", "transcode-*"+outputExt)
 	if err != nil {
-		slog.Error("transcode: failed to create temp file", "error", err)
+		flog.Error("transcode: failed to create temp file", "error", err)
 		return nil, err
 	}
 	tmpPath := tmp.Name()