Add April 10 changelog

[mintlify]

Summary

• Adds changelog entry for the week of April 10 covering: Eliza Cloud as a coding agent provider, contacts view, content pack picker, Discord cloud settings panel, connection lost overlay, and several updates and bug fixes.
• Follows the existing changelog format and style.

[github-actions]

Agent Review — Service Unavailable

Both AI reviewers failed to complete the review for this run:

• Claude: failure
• Codex (fallback): failure

This is likely a temporary API outage. The PR will need to be re-reviewed once services recover.

View workflow run

6. Decision: REQUEST CHANGES (automated review unavailable — please re-trigger or wait for service recovery)