BASELINE -> BOUNDARY -> OWNER -> METRIC -> ARTIFACT -> FIX -> REGRESSION
Hierarchy: budgets + ownership + milestone contracts
Clock/reset: domain sequencing + mode assumptions
Fabric: NoC/AXI ordering + contention tails
Memory/IO: map stability + interrupt + HW/SW defaults
IP handoff: collateral quality + manifest locking
Package: SI/PI + bump + lane assumptions
Signoff: dashboard + manifest + waiver governanceIs baseline manifest frozen and agreed?
Which boundary failed first?
Who owns that boundary?
Which artifact proves root cause?
What is the smallest reversible fix?
What full regression protects against recurrence?