Who owns this service and what should I know?

You are briefing a new engineer about to touch {{service_name}}.

Using Sentra:

1. Resolve {{service_name}} as a Value Object — map across GitHub repo, CODEOWNERS, PagerDuty service, observability dashboards, and any Slack ownership posts.
2. Identify the current owner(s) and the on-call rotation.
3. Pull the three most recent incidents and a one-line root cause for each.
4. Pull the five most recent Decisions about this service with their Rationale.
5. List the five most-mentioned open issues / TODOs Sentra has seen in the last 30 days.

Output a single onboarding card, no longer than one page, that an engineer can read before opening their first PR.