[kimi25 rl part3] support K25 VL rollout processor and train-time token expansion#1755

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GeLee-Q wants to merge 2 commits intoTHUDM:mainfrom

GeLee-Q:k25_vl_rollout

Commits on Mar 23, 2026

fix: support K25 VL rollout processor and train-time token expansion
GeLee-Q
committed

Commits on Mar 24, 2026

fix: align K25 multimodal rollout data normalization with CP
GeLee-Q
committed