Add screenpack regression validation #1

	name: Asset validation

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	validate-assets:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repo
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.13"

	- name: Install asset tooling dependencies
	run: python -m pip install -r requirements.txt

	- name: Validate character AIR wiring
	run: \|
	python build_assets.py validate-air lizard
	python build_assets.py validate-air bug

	- name: Validate screenpack winner and result routing
	run: python build_assets.py validate-screenpack

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