Tighten tool validation and math normalization #19

	name: CI

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

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .[dev]

	- name: Run tests
	env:
	LLM_PROVIDER: mock
	run: \|
	pytest -q

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