Report: ABG-V2-R4-VALIDATOR-H2

Terminal

ABG-V2-R4-VALIDATOR-H2 candidate ready - PMO accepted and integrated.

Worker HAPI: 1546960c-baf0-4a36-bd71-b1c39bc577b7 (archived)
Candidate: fb20b663df97bb685887e5bef9bb6a3256fa7580
Integrated main: 7dc584d62fc4323746c927f5dc370e77f992f0c7
Scope: exactly docs/reviews/DESIGN_VALIDATION_CONTRACT.md and tools/validate_predevelopment_design.py
Self-test: cases=24
Integrated validation: errors=0
Deterministic JSON SHA-256: 4feb0666acc639a163fefadda40a4cda3a6e5caf0db58fa01432c773ec8d6e38
Anti-dominance replay: five seeds green
Four R4 isolated mutations emitted intended diagnostics
Candidate and main were clean/upstream at their respective terminals

This accepts the H2 regression gate only. Systems R5, Experience R5, PMO synthesis and Owner design acceptance remain open.