Pair the previous target feature with the next seed at their respective positions and construct target KV directly from the projected normalized feature. Merge trusted target captures into the model support window instead of exposing the full prefill or replacing history with each verifier batch. Keep temporary draft rows outside persistent history and reset safely across capture gaps.
Scope the correction to physical gfx1151 independently of diagnostic fast-path overrides. Add 162 CPU cache-range and physical-ring assertions, and document the tested five-draft/confidence-0.7 configuration. Exact-sampling history-gap performance remains unqualified.
Sampled coding continuation improves 14.17/14.38 to 25.10/24.46 tokens/s at 8K/16K. Long coding passes 24/24 checks, sampled coding 7/7, and an actual tool round trip passes. Both 100-case official reports remain identical; the 64K native continuation completes at 22.61 tokens/s.
