Update LiveObjects object retention to reflect configurable duration

[AndyTWF]

Summary

• LiveObjects object retention is no longer fixed at 90 days — it's now configurable between 24 hours and 90 days (defaulting to 90 days)
• Updated the storage page and LiveObjects overview to reflect the configurable retention range
• Replaced the "contact us for configurable durations" aside with guidance to contact Ably for retention periods longer than 90 days

🤖 Generated with Claude Code

DX-1034

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: a5a17a21-3e02-4729-854b-a865bd0a75ce

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch liveobjects-retention

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[rainbowFi]

lgtm :)