ci: pin remaining actions to commit SHAs, add coverage regression gate, review runner token scope #30

	name: CI

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

	permissions:
	contents: read

	jobs:
	lint:
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
	- uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
	with:
	python-version: "3.12"
	- name: Syntax check
	run: python -m py_compile agent/poll_once.py
	- name: Import check
	run: python -c "import agent.poll_once"
	- name: Install dependencies
	run: pip install -r requirements.txt
	- name: Unit tests
	run: pytest --cov=agent --cov-report=term-missing --cov-fail-under=90 tests/

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