Adding CI/CD pipeline for lifelong learning example (LFX Term'3) Comprehensive Example Restoration #1

	name: Pull Request Validation

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	pr-checks:
	name: PR Validation
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: Check PR Title
	run: \|
	TITLE="${{ github.event.pull_request.title }}"
	echo "PR Title: $TITLE"
	if [[ ! "$TITLE" =~ ^(feat\|fix\|docs\|refactor\|test\|chore\|ci): ]]; then
	echo "ERROR: Invalid title format"
	echo "Use format: type: description"
	echo "Valid types: feat, fix, docs, refactor, test, chore, ci"
	exit 1
	fi
	echo "Title format valid"

	- name: Install Flake8
	run: pip install flake8

	- name: Check Python Code Quality
	run: \|
	FILES=$(git diff --name-only --diff-filter=AM origin/${{ github.base_ref }}...HEAD \| grep '\.py$' \|\| true)
	if [ -z "$FILES" ]; then
	echo "No Python files changed"
	exit 0
	fi
	echo "Checking Python files"
	echo "$FILES" \| xargs flake8 --select=E9,F63,F7,F82 --show-source
	echo "Quality check passed"

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