Wave 20: fix SageMaker smoke — torch-2.7 DLC + drop vllm pin (the real conflict)

Wave 20: fix SageMaker smoke — pin transformers<4.53 (torch 2.6 float8 skew)

Wave 20: SageMaker GRPO smoke artifacts (F3) — runnable g5.2xlarge GSM8K

Wave 1: fix 8 failing tests + unblock Docker E2E + dep/doc debt

feat(b4-gpu+b6): GPU train-proof on A10G + docker-gated substrate E2E test

feat(wave-b): ADR-013 LMA integration + B4 end-to-end SDPO-fires proof + doc refresh

feat(trainer): ADR-008 gate-3 live GRPO+SDPO smoke PASS; ADR-008 accepted

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

examples: add sdpo_real_trace_train_smoke — close the forward+backward+step link

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

Wave 10 — packaging: composer_replication is now pip-installable