Fix missing usage in SSE stream causing input_tokens crash#39
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Mng-dev-ai merged 1 commit intomainfrom Feb 17, 2026
Merged
Fix missing usage in SSE stream causing input_tokens crash#39Mng-dev-ai merged 1 commit intomainfrom
Mng-dev-ai merged 1 commit intomainfrom
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- Emit message_delta with usage on all error paths (openrouter, copilot, responses_api) so the SDK always receives a valid usage object - Emit message_start before error events in copilot auth error path - Set stop_reason to "tool_use" when tool calls are present instead of always using "end_turn" - Bump version to 0.1.35
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Summary
message_deltawith usage on all error paths across openrouter, copilot, and responses_api providers. Previously, error paths skipped themessage_deltaevent, leavingmessage.usageundefined in the SDK and causingCannot read properties of undefined (reading 'input_tokens')when Claude Code uses subagents.message_startbefore error events in the copilot auth error path, which previously senterror → message_stopwithout initializing the message.stop_reasonto"tool_use"when the response contains tool calls, instead of always hardcoding"end_turn". Subagents use tools heavily, so every tool-call response was mislabeled.Test plan
input_tokenscrashstop_reason: "tool_use"message_deltawith usageruff checkandmypy(both pass)