Gap: live architecture / service visibility

**Seen in:** Encore.dev (auto-generated service catalog + tracing UI from running code) · **Priority:** Low

The Graphify pack (Feature Pack H, `README.md`) is similar in spirit but static/offline (`make graphify`) rather than live from a running service.

**Deferred** — a natural future enhancement to Pack H once it exists, not a new pack of its own.

Start with README.md and the Feature Pack H description, then inspect the existing `make graphify` workflow. The issue is explicitly deferred and provides no implementation entry point or acceptance criteria; done would need a defined live-service visibility scope and a clear validation plan.

Written by the indexing model from the issue text.