avoid half pixels

src/commands/base.ts

@@ -313,7 +313,7 @@ export abstract class AbstractCharacterStatusCommand extends SlashCommand {
         const height = metadatas[i].height ?? NORMAL_STATUS_HEIGHT;
         maxWidth[polarity] = Math.max(maxWidth[polarity], width);
         lastHeight[polarity] = height;
-        const top = Math.max(totalHeight[polarity], totalHeight[reversePolarity] - lastHeight[reversePolarity] / 2);
+        const top = Math.max(totalHeight[polarity], totalHeight[reversePolarity] - Math.ceil(lastHeight[reversePolarity] / 2));
         topCoordinates[i] = top;
         totalHeight[polarity] = top + height;
       }
@@ -324,7 +324,7 @@ export abstract class AbstractCharacterStatusCommand extends SlashCommand {
           background: '#00000000',
           channels: 4,
           height: Math.max(totalHeight[0], totalHeight[1]),
-          width: maxWidth[0] + maxWidth[1]
+          width: maxWidth[0] + maxWidth[1],
         }
       });
       result.composite(