* Add MegapixelScale node to scale width/height to a target megapixel count Scales width and height so total pixels match the given megapixels input while preserving the original aspect ratio. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Es1PqnGyFk9U2mngaWxgNg * Round MegapixelScale output to nearest multiple of 8 Diffusion models generally require width/height divisible by 8, so snap the scaled dimensions directly instead of leaving raw rounding. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Es1PqnGyFk9U2mngaWxgNg --------- Co-authored-by: Claude <noreply@anthropic.com>