Enhance Tailscale Receiver scripts and documentation for version 2.2.1. #1

	name: CI

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

	jobs:
	lint-and-test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y shellcheck shfmt bats

	- name: Check script syntax
	run: \|
	for script in *.sh; do
	echo "Checking $script..."
	bash -n "$script" \|\| exit 1
	done
	echo "✅ All scripts have valid syntax"

	- name: Run ShellCheck
	run: \|
	find . -name "*.sh" -type f -exec shellcheck {} \;
	echo "✅ ShellCheck passed"

	- name: Check formatting with shfmt
	run: \|
	shfmt -d -i 2 *.sh
	echo "✅ Code formatting is correct"

	- name: Run tests
	run: \|
	if [ -d "test" ]; then
	cd test
	bats *.bats \|\| exit 1
	echo "✅ All tests passed"
	else
	echo "⚠️ No test directory found"
	fi

	- name: Validate Makefile
	run: \|
	make help
	echo "✅ Makefile is valid"

	integration-test:
	runs-on: ubuntu-latest
	needs: lint-and-test

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install Tailscale (for integration testing)
	run: \|
	curl -fsSL https://tailscale.com/install.sh \| sh
	sudo tailscale version

	- name: Run smoke tests
	run: \|
	# Test that scripts can be executed (syntax check already done)
	chmod +x *.sh
	echo "✅ Scripts are executable"

	# Test non-interactive install dry-run
	if NONINTERACTIVE=true ./install.sh --help 2>/dev/null; then
	echo "❌ Install script should not accept --help"
	else
	echo "✅ Install script properly rejects --help"
	fi

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