[simone-chen]

• Kimi 0.31 verify previously failed the qualification gate; its legacy fixture also used zero-based checkpoint IDs, an extra conv-history column and contiguous Q/K/V unrelated to convolution output. Use the native dtype/shape calculators and cache binding, reserve null slot 0, and pass actual packed convolution output to recurrence.
• Admit only the fixed B200/SD/BF16 input+conv/FP32 recurrence/non-RecoverSSM verify profile. Query width S fixes num_spec=S−1 and accepted=S. Preserve the four registered callback identities, 108 shape points, 216 planned conv/recurrence rows and their separate timing callbacks. Generation, preview and GLM behavior remain unchanged; no schema or consumer changes.
• Stack on fix: release completed KDA prefill buffers #595. Validate with 73 CPU contract tests and Ruff; callback/getter AST checks confirm unchanged generation, prefill, entry point and both verify timer bodies. Tests cover all four local-head counts, all three widths, cache/input strides, positive IDs, preview behavior and explicit failure propagation.
• Isolated B200 numerical job 2389279 passed all 36 conditional fixtures; only its six auto verify contexts support this repair. The non-spec fallback controls are dormant in the approved auto profile. Fresh collector smoke/full and the bounded native timing gate remain pending; this draft is not publication approval or historical-data reuse approval.
• Limits: uniform verify and unpadded per-layer cache pages, without full-model padding, RecoverSSM or mixed scheduler claims. Immutable serving citations are included in the collector and README.

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[simone-chen]

/ok to test 457689d

[simone-chen]

Superseded by consolidated recurrent/MoE compatibility PR #605, stacked on attention #604. The MoE cleanup is preserved once, including the duplicate in #603. Communication remains #591. Original branches and campaign commit references are preserved; closing without merging.