chore(release): prepare agent-knowledge 6.1.5

[drewstone]

Summary

• update the exact agent-eval dependency to 0.133.3
• use six final memory cases so 95% promotion decisions are attainable
• keep the install example and lockfile on the same package pair

Checks

• 468 tests passed, 12 skipped
• source and contract type checks passed
• 188 files linted
• build emitted 35 files, 2.29 MB
• clean-install package verification passed with Eval 0.133.3
• official GEPA and SkillOpt integration: 2 passed

[tangletools]

✅ Auto-approved drewstone PR — 8275cedb

This PR was opened by the trusted drewstone account.
The full PR reviewer audit still runs separately and will publish findings if it detects issues.

_{tangletools · auto-approval · reason: drewstone_author · 2026-07-28T05:02:12Z}