Reduce stream memory allocations and fix native Chat completion handling - #4389

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olddonkey wants to merge 7 commits into

lidge-jun:devfrom

olddonkey:codex/memory-stream-optimizations

Commits on Sep 12, 2026

perf(server): avoid request-sized UTF-8 accounting buffers
olddonkey
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324008b
perf(runtime): avoid UTF-8 accounting copies
olddonkey
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4eafb3f
perf(responses): count compaction fragments incrementally
olddonkey
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930c916
perf(sse): drain buffers without recounting suffixes
olddonkey
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b7d1330
fix(chat): bound native stream stalls and preserve completion state
olddonkey
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6e16274
docs: describe stream accounting and native Chat lifecycle
olddonkey
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d7f27e3
test(chat): pin caller abort precedence over a pending native stall

olddonkey
and
claude
committed
176cbbd