fix(sdk): preserve partial assistant message on chat stream failure#4348

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matt-aitken wants to merge 13 commits into

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fix/chat-preserve-partial-on-stream-failure

Commits on Jul 23, 2026

fix(sdk): preserve partial assistant message on chat stream failure
matt-aitken
committed
fix(sdk): persist recovered partial to accumulator and snapshot on error
matt-aitken
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fix(sdk): mirror success-path accumulation on chat.agent error path
matt-aitken
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fix(sdk): don't overwrite a committed response when a post-response step throws
matt-aitken
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fix(sdk): include the recovered partial in the error event's newMessages
matt-aitken
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fix(sdk): harden error-path partial recovery against fragment clobber and desync
matt-aitken
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fix(sdk): preserve stream backpressure when tapping chat chunks
matt-aitken
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fix(sdk): clean incomplete parts from the recovered error partial
matt-aitken
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perf(sdk): release the chat chunk buffer once the response is committed
matt-aitken
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fix(sdk): preserve compaction and avoid double-persist on the error path
matt-aitken
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fix(sdk): include the errored user message in the error event's newMessages
matt-aitken
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fix(sdk): fold queued response data parts into the managed error partial
matt-aitken
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fix(sdk): satisfy the package build's stricter null-narrowing on the error partial
matt-aitken
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