Audit PR #35 remote inbox diagnostics

[cbusillo]

Current Status

Created from parent audit plan #63.

Scope

Review PR #35 for intent, runtime surface, and whether diagnostics are harmless enough to carry forward. Parent: #63. PR: #35

Review Checklist

• Intent: why did this PR/group exist?
• Surface: what files and runtime paths changed?
• Risk: compaction, token pressure, agent behavior, auth, repo workflow, or other?
• Verdict: keep as-is, keep with rewrite, defer, or drop.
• Validation evidence recorded.