Data lifecycle docs: Solutions QS Guides don't mention data management

[kilfoyle]

Our Solutions Quick Start guides (e.g, Monitor your hosts with Elastic Agent) don't mention data management at all.

• In the Solutions and use cases ToC, there's nothing about data management, ILM. We need to add a page or something that helps people find that content. And/or we could add links to “Manage your data” (or “manage your indices”) docs at the end of the various quickstarts. This could be added at the very end in the “next steps” or “how to get value out of your data” sections.
• We should also mention what are your default ILM settings, sort of around the time that people are viewing Kibana visualizations. e.g. Most people don't know how long we keep their data in Elasticsearch, by default. (see comment below)

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2025-09-18: These look like good candidate quickstarts to update:

Security:

• Quickstart: Detect and respond to threats with SIEM (add item in "Next steps")
• Quickstart: Protect your hosts with endpoint security (add item in "Next steps")

Observability:

• Quickstart: Monitor hosts with Elastic Agent (add a "Manage your data" section?)

Ingest:

• Example: Use standalone Elastic Agent with Elastic Cloud Serverless to monitor nginx (add item in "What's next?")
• Example: Use standalone Elastic Agent with Elastic Cloud Hosted to monitor nginx (add item in "What's next?")
• Manage Elastic Agent integrations (add a tip at the bottom)

[kilfoyle]

The PRs listed above will add links to various quickstarts. I'm hesitant to add text about how long data is retained, since that may change at some point, and could perhaps also vary across integrations. I think it's best and safest to refer people to the data lifecycle docs as the single source of truth, which the added links will do nicely.

[kilfoyle]

All of the links in the description have been added.