Implement log retention policy

[Snider]

Context

From the Error Handling & Logging Audit (PR #194)

Description

There is no log retention policy in place. A log retention policy would help manage log storage and ensure compliance with any applicable regulations.

Acceptance Criteria

• Define log retention policy (duration, size limits)
• Implement automatic log rotation/cleanup
• Document the retention policy

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From audit PR #194

[Snider]

Parent: #300

[Snider]

Target branch: epic/300-security-observability (epic #300)

[google-labs-jules]

Jules is on it. When finished, you will see another comment and be able to review a PR.

[google-labs-jules]

Ready for a review! A PR has been created.