feat(hints): ADR-009 layered HintGenerator; accepted

feat(trainer): ADR-008 Dr.GRPO config + SDPO strict-alignment guard

Wave 21c: verify PRIME-RL adapter parity against upstream source (byte-for-byte)

Wave 21b: skip zero-signal SDPO on empty-recovery error turns + real-trace validation

Wave 21: close both Wave 20 debt items — chat-template alignment + structural is_error

Wave 20: ModalSpawnExecutor — finish the Modal-backed serverless executor

Wave 19: production-grade SDPO via ComposerDataCollator + adapter + collator fixes

Wave 18: 14 backlog items closed + 3-reviewer cross-family review

Wave 17: close all 5 audit FLAGs + SDPO context alignment + serverless re-exports

Wave 16: install ergonomics + gradient evidence + SDPO end-to-end example

Wave 15: 4-angle multi-model self-critique caught 2 math BLOCKERs in primary loss kernels; fixed against upstream byte-for-byte + GSM8K example + ergonomics

Wave 14: close every Wave 13 review finding + 4 documentation files; Wave 14b: real PRIME-RL parity + multi-process DiLoCo convergence

Wave 13: serverless DiLoCo + replaysim normalization + 3 distillation losses + PRIME-RL + Monarch

Wave 12: close V1-V8 brief — GPU smoke, SDPO firing, real-trace e2e

Wave 11: cross-model adversarial review + honest down-revision

Wave 10 — packaging: composer_replication is now pip-installable