Tart GUI Automation

Quick Start

# 1. Start VM
scripts/tart_vm_harness.py start \
  --base-vm macos-tahoe-xcode \
  --share-name workspaces --share-path .

# 2. Run commands in guest
scripts/tart_vm_harness.py exec \
  --session-file output/tart-harness/*/session.json -- swift build

# 3. Capture screenshot (optionally resize for LLM consumption)
scripts/tart_vm_harness.py capture \
  --session-file output/tart-harness/*/session.json \
  --output output/screenshot.png --max-dimension 1280