Fix broken favicon color in command `fedify node`

            buffer = images[0].buffer;

          }

          const image = await Jimp.read(buffer);

          layout = getAsciiArt(image).split("\n").map((line) => ` ${line}  `);

          const trueColorSupport = checkTerminalTrueColorSupport();

          layout = getAsciiArt(image, DEFAULT_IMAGE_WIDTH,trueColorSupport).split("\n").map((line) => ` ${line}  `);

          defaultWidth = 41;

        } else {

          logger.error(

  plugins: defaultPlugins,

});

function checkTerminalTrueColorSupport() {

  const colorTerm = Deno.env.get("COLORTERM");

  if (

    colorTerm == null ||

    !(colorTerm.includes("24bit") || colorTerm.includes("truecolor"))

  ) {

    return false;

  }

  return true;

}

const DEFAULT_IMAGE_WIDTH = 38;

const ASCII_CHARS =

  // cSpell: disable

  "█▓▒░@#B8&WM%*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\\|()1{}[]?-_+~<>i!lI;:,\"^`'. ";

// cSpell: enable

function rgbTo256Color(r: number, g: number, b: number): number {

  // Handle grayscale colors (colors 232-255)

  const gray = Math.round((r + g + b) / 3);

  if (

    Math.abs(r - gray) < 10 && Math.abs(g - gray) < 10 &&

    Math.abs(b - gray) < 10

  ) {

    if (gray < 8) return 16; // Black

    if (gray > 248) return 231; // White

    return Math.round(((gray - 8) / 247) * 23) + 232;

  }

  // Handle RGB colors (colors 16-231)

  // Convert to 6x6x6 cube

  const r6 = Math.round((r / 255) * 5);

  const g6 = Math.round((g / 255) * 5);

  const b6 = Math.round((b / 255) * 5);

  return 16 + (36 * r6) + (6 * g6) + b6;

}

function getAsciiArt(

  image: Awaited<ReturnType<typeof Jimp.read>>,

  width = 38,

  width = DEFAULT_IMAGE_WIDTH,

  trueColorSupport,

): string {

  const ratio = image.width / image.height;

  const height = Math.round(

        (brightness / 255) * (ASCII_CHARS.length - 1),

      );

      const char = ASCII_CHARS[charIndex];

      if (trueColorSupport) {

        art += colors.rgb24(char, color);

      } else {

        const colorIndex = rgbTo256Color(color.r, color.g, color.b);

        art += colors.rgb8(char, colorIndex);

      }

    }

    if (y < height - 1) art += "\n";

  }