feat: Enable Slack notifications for alerts and CI/CD deployment status.

[codeunia-dev]

Enable Slack notifications for alerts and CI/CD deployment status.

Authored by: @akshay0611

Summary by CodeRabbit

New Features

• Slack notifications now available for deployment events—receive alerts on deployment success and automatic rollback notifications
• Slack integration is fully enabled for alert channels and sends notifications when your Slack webhook is properly configured

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Project	Deployment	Preview	Comments	Updated (UTC)
codeunia	Ready	Preview	Comment	Dec 12, 2025 6:49am

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

The pull request adds Slack notification capabilities to the deployment pipeline and monitoring system. A CI/CD workflow is updated to send conditional Slack messages for deployment successes and failures, while the alerting module enables its previously-disabled Slack integration to push alerts when configured.

Changes

Cohort / File(s)	Summary
CI/CD Workflow Integration .github/workflows/ci-cd.yml	Adds conditional Slack notification steps for deployment success and rollback failure events, sending messages only when SLACK_WEBHOOK_URL is set; otherwise logs skip message.
Alerting Module Enhancement lib/monitoring/alerting.ts	Enables Slack integration by activating the previously-disabled Slack channel creation logic when slack_webhook is configured. Minor formatting adjustments applied; email alert behavior and recipient defaults unchanged.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

• Review focuses on verifying conditional Slack webhook logic is correct in both files
• Confirm no unintended side effects from enabling previously-commented Slack functionality
• Validate formatting changes do not alter conditional expressions or logic flow

Poem

🐰 Slack hops in with a bound,
Alerts now ping all around,
Deployments succeed with a chime,
Failures revert just in time—
Notifications now have sound! 📢

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/shimmer

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 2fe5a48 and 00162ee.

📒 Files selected for processing (2)

• .github/workflows/ci-cd.yml (2 hunks)
• lib/monitoring/alerting.ts (6 hunks)

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