fix(chat): omit empty streaming delta role#670

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MukundaKatta wants to merge 1 commit into

openai:mainfrom

MukundaKatta:codex/chat-delta-role-nullable

MukundaKatta commented May 15, 2026

Fixes #564.
Fixes #589.

Summary:

omit the chat completion streaming delta role when it is the zero value during JSON marshaling
mark the role field as nullable in SDK metadata
add regression coverage for marshaling content-only stream deltas

Tests:

go test . -run TestChatCompletionChunkChoiceDeltaMarshalOmitsEmptyRole -count=1


          fix(chat): omit empty streaming delta role

c15a8c2

MukundaKatta requested a review from a team as a code owner

May 15, 2026 15:13

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