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Add comprehensive test suite for ~100% coverage #7

	name: PR Tests

	on:
	pull_request:
	branches:
	- main

	permissions:
	contents: read
	pull-requests: write

	jobs:
	test:
	name: Run Tests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v6

	- name: Set up Go
	uses: actions/setup-go@v6
	with:
	go-version: '1.25'

	- name: Download dependencies
	run: go mod download

	- name: Run tests
	id: test
	run: \|
	go test -v ./... 2>&1 \| tee test-output.txt
	echo "test_exit_code=${PIPESTATUS[0]}" >> $GITHUB_OUTPUT

	- name: Comment PR with test results
	uses: actions/github-script@v7
	if: always()
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	script: \|
	const fs = require('fs');
	const testOutput = fs.readFileSync('test-output.txt', 'utf8');
	const testPassed = ${{ steps.test.outputs.test_exit_code }} === 0;

	const emoji = testPassed ? '✅' : '❌';
	const status = testPassed ? 'PASSED' : 'FAILED';

	const body = `## ${emoji} Test Results: ${status}

	<details>
	<summary>Test Output</summary>

	\`\`\`
	${testOutput}
	\`\`\`

	</details>`;

	await github.rest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: body
	});

	- name: Fail if tests failed
	if: steps.test.outputs.test_exit_code != '0'
	run: exit 1