Built a fully offline batch image-to-SVG pipeline on Apple Silicon — Moondream → GroundingDINO → SAM 2.1 HQ → VitMatte → VTracer, nothing leaves the machine

I've been building a macOS app called Skiagrafia that takes folders of photos and produces layered SVG vector graphics and TIFF alpha mattes. The entire inference stack runs locally — TRANSFORMERS_OFFLINE=1, HF_HUB_OFFLINE=1, Ollama for the VLM, MPS as the primary backend on M1 Ultra. My first plans