Merge pull request #59 from Jsumin07/feat/baekjoon #65

	name: Notify Slack on Push to main

	on:
	push:
	branches: [main]

	jobs:
	notify:
	runs-on: ubuntu-latest
	env:
	TZ: Asia/Seoul

	steps:
	- name: Get KST time
	run: echo "KST_NOW=$(date '+%Y-%m-%d %H:%M KST')" >> "$GITHUB_ENV"

	- name: Build payload (single commit summary)
	id: payload
	uses: actions/github-script@v7
	env:
	KST_NOW: ${{ env.KST_NOW }}
	with:
	script: \|
	const commit = (context.payload.commits \|\| [])[0];
	const msg = commit ? commit.message.split('\n')[0] : '— (no commit) —';
	const text =
	`main 브랜치 업데이트\n` +
	`푸시한 유저: ${context.actor}\n` +
	`시간(KST): ${process.env.KST_NOW}\n` +
	`커밋 요약:\n` +
	`• ${msg}`;
	core.setOutput('json', JSON.stringify({ text }));

	- name: Post to Slack
	uses: slackapi/[email protected]
	with:
	payload: ${{ steps.payload.outputs.json }}
	env:
	SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
	SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK

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