张宗平 133bbac316 chore(ts-as-modality): M2-complete build checkpoint (T2.6 verified) ...

M2 exit verification:
- 8-step fwd+bwd on RTX 3060, loss 9.82→5.54 (descending), finite.
- Stage ① peak 2.34 GB (<5GB design budget).
- Updated build-checkpoint.json: M2-complete, 91 tests, env notes
  (CUDA torch, ~/models/Qwen2.5-0.5B-Instruct, proxy).

2026-06-30 02:15:57 +00:00

..

changes/ts-as-modality

chore(ts-as-modality): M2-complete build checkpoint (T2.6 verified)

2026-06-30 02:15:57 +00:00