aq124_run_wald_sprt_and_cusum_gate)Cuts A/B evaluation compute 60-80% via Wald Sequential Probability Ratio stopping, detects silent distribution drift via Page CUSUM, and fuses rankers via RRF (k=60).
Wald SPRT boundary stepper, Page CUSUM detector & RRF rank fuser (0 calls)
Substrate: db_atomic · p99 Claim Target: ≤ 6 ms · Phase: 121 - 128 4-Rung OKF Automorph, THP v2.0 Lenses, SPRT/S3-FIFO & Dossier Learning Loop
Drift root-cause investigator & holdout refresh author
5-Role Component Pod: 0-Call Slot / Solver + OpenSearch / Split-Supervisor (≤4k tok) / Diagnostic Repair + Twin Shim / CPOP + Sister Distiller.
mimo_pid_homeostasisCommit Invariant: Monotonic lease_epoch compare-and-swap fencing with content-addressed SWHID verification.
Architectural Problem Solved: Coordinates parallel execution without duplicate work or split-brain overwrites.
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