v5.3.0

5.3.0 (2026-09-11)

Features

• define scenario verification plugin seam (#973) (ff73990)
• realize runtime orchestration authority (#959) (6539050)
• scenario: qualify verifier compatibility atomically and install it on the gate path (#982) (e83dd86)

Bug Fixes

• derive lab-start pre-flight from the admitted realization (#960) (170593a)
• retire Shuffle post-realization mutation (#950) (b6928e5)
• workbench: escalate group teardown unconditionally and stop reading EPERM as presence (#997) (7c673a1)

Documentation

• audit APTL-to-LilRAE rename boundary (#972) (201b258)
• clarify scenario-pack ownership terminology (#975) (fb7d535)
• clarify scenario-pack terminology (fb7d535)
• record capture asset ownership (#981) (e76f66f)
• review APTL readiness for LilRAE migration (#971) (d48d2b7)