feat: add validation suite with 61 invalid examples and CI pipeline #1

	name: XAP Schema Validation

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	validate:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	- name: Install dependencies
	run: pip install jsonschema pytest
	- name: Run schema validation
	run: pytest xap/tests/ -v

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