Read-only aggregation module answering 'is V4 ready to ARM the live canary?' by consuming gate outcomes into a typed StrictModel report. Files: - v4_readiness.py: V4ReadinessReport (6 bool gates + reasons) + assess_v4_readiness() - test_violet_v4_readiness.py: 13 tests (happy, parametrized single-false, hypothesis 2^6 invariant, mutation litmus, StrictModel poison) Co-Authored-By: mm_VIOLET1 <mm_VIOLET1@h5i>