mandrel-bench: v0.5.0

0.5.0 (2026-06-24)

Added

• bench: differential-trap spike apparatus — auth-trap scenario (refs #57) (#63) (b60e2f1)
• results: 1.75.0 cohort — mandrel@1.75.0 / claude-opus-4-8 (#62) (e888d0c)

Fixed

• bench: git-exclude the framework overlay so it never enters the deliverable diff (#58) (97e5e1e)
• bench: security scanner measured the overlaid framework, not the deliverable (#53) (54802d8)
• bench: stop counting test-fixture creds as secrets; proportional secret penalty (refs #55) (#59) (e1a7c40)