add SLACK WEBHOOK

.github/workflows/takt-action.yml

@@ -26,3 +26,31 @@ jobs:
           model: ${{ vars.TAKT_MODEL }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
           log_output: ${{ vars.TAKT_LOG_OUTPUT || 'false' }}
+
+      - name: Notify Slack
+        if: always()
+        uses: slackapi/slack-github-action@v2.0.0
+        with:
+          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
+          payload: |
+            {
+              "text": "${{ job.status == 'success' && '✅' || '⚠️' }} TAKT Action ${{ job.status }}",
+              "blocks": [
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": "*${{ job.status == 'success' && '✅' || '⚠️' }} TAKT Action ${{ job.status }}*\n<${{ github.event.issue.html_url }}|Issue #${{ github.event.issue.number }}>: ${{ github.event.issue.title }}\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|View logs>"
+                  }
+                },
+                {
+                  "type": "context",
+                  "elements": [
+                    {
+                      "type": "mrkdwn",
+                      "text": "Triggered by @${{ github.event.comment.user.login }}"
+                    }
+                  ]
+                }
+              ]
+            }