PMM-14080: Lack of guidance on Fired Alerts to set up Alerting after install

[dmitri-saricev-3pillargloball]

…install

What is this feature?
https://perconadev.atlassian.net/browse/PMM-14080

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Why do we need this feature?

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Who is this feature for?

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Which issue(s) does this PR fix?:

Screen.Recording.2025-11-24.at.11.14.49.mov

FB:
Percona-Lab/pmm-submodules#4126

https://pmm.cd.percona.com/blue/organizations/jenkins/pmm3-submodules/detail/pmm3-submodules/1956/pipeline/

Fixes #

Special notes for your reviewer:

Please check that:

• It works as expected from a user's perspective.
• If this is a pre-GA feature, it is behind a feature toggle.
• The docs are updated, and if this is a notable improvement, it's added to our What's New doc.

[Copilot]

Pull request overview

This PR addresses the lack of guidance on the Fired Alerts page after installation by adding an informative empty state component. When no alerts are detected, users are now presented with helpful links and documentation to help them set up alerting.

• Added a new AlertsEmptyState component with guidance on setting up alerts
• Integrated the empty state component into the Alerts table view
• Provided direct links to Alert rule templates, Alert rules configuration, and Percona documentation

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
AlertsEmptyState.tsx	New component that displays guidance with links to alert templates, rules configuration, and documentation when no alerts are present
Alerts.tsx	Updated to use the new AlertsEmptyState component instead of a simple icon and text message

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