fix: Keep page as they are if we can't decode them and disable conversion

pkg/converter/webp/webp_converter.go

@@ -171,21 +171,15 @@ func (converter *Converter) ConvertChapter(ctx context.Context, chapter *manga.C
 				var pageIgnoredError *converterrors.PageIgnoredError
 				if errors.As(err, &pageIgnoredError) {
 					log.Info().Err(err).Msg("Page ignored due to image decode error")
-				} else {
-					select {
-					case errChan <- err:
-					case <-ctx.Done():
-						return
-					}
 				}
-				if img != nil {
-					wgConvertedPages.Add(1)
-					select {
-					case pagesChan <- manga.NewContainer(page, img, format, false):
-					case <-ctx.Done():
-						return
-					}
+
+				wgConvertedPages.Add(1)
+				select {
+				case pagesChan <- manga.NewContainer(page, img, format, false):
+				case <-ctx.Done():
+					return
 				}
+
 				return
 			}
 
@@ -264,6 +258,7 @@ func (converter *Converter) ConvertChapter(ctx context.Context, chapter *manga.C
 		log.Debug().
 			Str("chapter", chapter.FilePath).
 			Int("error_count", len(errList)).
+			Err(errors.Join(errList...)).
 			Msg("Conversion completed with errors")
 	} else {
 		log.Debug().

pkg/converter/webp/webp_converter_test.go

@@ -154,7 +154,7 @@ func TestConverter_ConvertChapter(t *testing.T) {
 			name:        "Tall image without split",
 			pages:       []*manga.Page{createTestPage(t, 1, 800, webpMaxHeight+100, "png")},
 			split:       false,
-			expectError: false,
+			expectError: true,
 			numExpected: 1,
 		},
 	}