Why: The UI cannot show a tool until execution starts, because argument deltas never leave the model stream.
Evidence: go test in modules/core.
Impact: tool.call.delta, tool.output, and tool.result.durationMs.
Merge this before Backend.
Why: The UI cannot show a tool until execution starts, because argument deltas never leave the model stream.
Evidence: go test in modules/core.
Impact: tool.call.delta, tool.output, and tool.result.durationMs.
Merge this before Backend.
Why: The client only learned about a tool call once execution started, so long argument generation looked like a frozen cursor.
Evidence: go test ./...
Impact: New tool.call.delta and tool.output events; tool.result may include durationMs. Unknown event types stay ignored.
Refs: feature/stream-display-overhaul
Co-authored-by: Cursor <cursoragent@cursor.com>
weichen
merged commit 3f7067fb2d into main2026-10-02 05:04:38 +00:00
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Why: The UI cannot show a tool until execution starts, because argument deltas never leave the model stream.
Evidence: go test in modules/core.
Impact: tool.call.delta, tool.output, and tool.result.durationMs.
Merge this before Backend.