feat(game): stream validation for game metadata #391

	name: validate-data

	# Self-check: every PR runs the bundled lightweight validator. Heavy checks
	# (coverage gaps, schema migrations, ingestion smoke tests) live in TechEngine.
	on:
	pull_request:
	paths:
	- "data/**"
	- "app/validate.py"
	push:
	branches: [main]
	paths:
	- "data/**"
	- "app/validate.py"

	jobs:
	self-validate:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	# The committed Pages dump contains over a million generated files.
	# Validation only needs records and the bundled validator.
	filter: blob:none
	sparse-checkout: \|
	app
	data
	sparse-checkout-cone-mode: true
	- uses: actions/setup-python@v5
	with:
	python-version: "3.12"
	- name: Self-check (bundled validator)
	run: python -m app.validate

	engine-validate:
	needs: self-validate
	uses: GetTechAPI/TechEngine/.github/workflows/validate-data.yml@main
	with:
	data-ref: ${{ github.event.pull_request.head.sha \|\| github.sha }}

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