fix(claude-agent-sdk): preserve preset systemPrompt when appending state/context - #2636
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boyuan-fh wants to merge 1 commit into
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fix(claude-agent-sdk): preserve preset systemPrompt when appending state/context#2636boyuan-fh wants to merge 1 commit into
boyuan-fh wants to merge 1 commit into
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…ate/context
buildOptions cast Options.systemPrompt as string and interpolated it when appending the ag-ui state/context addendum, so the SDK preset-object form ({ type: 'preset', preset, append }) flattened to "[object Object]", discarding the preset and the caller's append text. Branch on the shape: fold the addendum into a preset object's append; concatenate for the string/nullish form.
Fixes #<issue>
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Fixes #2630
Summary
buildOptionsappended ag-ui state/context tosystemPromptby casting itas stringand interpolating it, which destroyed the SDK's preset-object form(
"[object Object]").Replace the single-path interpolation with a two-way branch:
the
appendfield sotypeandpresetsurvive.Test plan
src/adapter.buildOptions.test.tswith 6 cases:append-- both original append and addendum presentappend-- addendum becomesappend[object Object]