Audit PRs #58 #59 #60 skill trigger behavior

[cbusillo]

Current Status

Created from parent audit plan #63.

Scope

Review the skill trigger behavior changes for intent, quality, and whether they over-constrain agents or affect tool/skill selection unexpectedly. Parent: #63. PRs: #58 #59 #60

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.