Generate multi-pass Seedance AI roto mattes with QC and Nuke handoff

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📘 Description This workflow is an AI-powered roto matte generation and first-pass compositing pipeline designed for VFX production. It transforms structured roto requests into multiple high-precision matte passes using AI, performs automated quality evaluation, generates production-ready Nuke scripts, and delivers fully organized assets and review tasks to the team—bridging the gap between manual rotoscoping and scalable AI-assisted matte generation. ⚙️ Step-by-Step Flow The workflow begins wi