docs(readme): complete HT Fork Changes inventory with per-change justifications#106
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…ifications Every downstream change now carries a Why column — the reason it exists on ht — and the section states the audit rule: a change we can no longer justify gets dropped at the next upstream sync. New coverage (previously undocumented): D=512 FA vec kernels, server table (heierchat/router glue, ctx-checkpoint byte cap, --api-prefix public endpoints, Responses incomplete status, logprobs partial-sort, fit-params byte plan, router hardening, termd, log-noise fixes), scripts & validation (DFlash bench suite, Pascal P5200 recipe, downstream test coverage), and the full Build/CI delta (trigger strips, runner re-targeting, fork meta).
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Markus asked that the delta on top of upstream master be documented and justified. The README's
HT Fork Changessection (from #96) covered the headline features; this completes it.--api-prefixpublic endpoints (fix(server): public endpoints stay public when --api-prefix is set #87), Responses incomplete status (fix(server): Responses API emits incomplete status on truncation (#19) #82), logprobs partial-sort (perf: D=512 quantized-KV FA vec kernels (gated gqa_ratio<=4) + server logprobs partial-sort #102), fit-params byte plan (feat(fit): expose per-device byte plan from common_fit_params (#66 step 1) #69/feat(fit-params): --fit-print-plan emits per-device byte plan as JSON (#66 step 2 prep) #72), router hardening (fix(server): portable exit-code on subprocess-alive=false path (windows build break) #64/fix(server): guard two mapping[] accesses against silent default-insert #77/fix(server): clean up orphaned results when removing batch of task ids #83), termd, log-noise fixes (chore(server): quiet benign Gemma4-Assistant memory-probe warning on MTP load #94).Cross-checked against the actual delta:
git log $(git merge-base origin/ht upstream/master)..origin/ht— 35 commits, all represented (docs-correction commits folded into 'Fork meta'/feature rows).Audit verdict: nothing in the current delta is unjustifiable. The two weakest entries are flagged honestly in-table: TurboQ KV (experimental, no deployment consumer) and the Gemma4 MTP vendor (explicitly temporary, retires on upstream merge).