chore(deps): update mysql docker tag to v9 #246

	---
	name: Linters

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

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

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	# Ensure linters present even if requirements.txt changes
	# Pin black version to avoid formatting inconsistencies
	pip install flake8 'black==24.10.0' yamllint

	- name: Run black
	run: black --check --line-length 100 .

	- name: Run flake8
	run: flake8 .

	- name: Run yamllint
	run: yamllint .

	- name: Validate AGENTS.md line count
	run: \|
	MAX_LINES=60
	ACTUAL=$(grep -c '' AGENTS.md)
	echo "AGENTS.md: ${ACTUAL} lines (max ${MAX_LINES})"
	if [ "$ACTUAL" -gt "$MAX_LINES" ]; then
	echo "::error::AGENTS.md exceeds ${MAX_LINES} lines (has ${ACTUAL})"
	exit 1
	fi

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