Record the model that served a run's usage #20

Merged

weichen merged 1 commits from feature/durable-rewind into main

2026-10-03 17:40:15 +00:00

Author	SHA1	Message	Date
weichenandCursor	5dc190ee63	Record the model that served a run's usage Why: a fallback chain can answer with a different model than the one that was requested, and usage has to name the model that actually served. Evidence: go test . Impact: the field is omitted when empty, so existing usage JSON stays the same. Refs: feature/durable-rewind Co-authored-by: Cursor <cursoragent@cursor.com>	2026-10-03 17:28:40 +00:00

Author

SHA1

Message

Date

weichenandCursor

5dc190ee63

Record the model that served a run's usage

Why: a fallback chain can answer with a different model than the one that was requested, and usage has to name the model that actually served.
Evidence: go test .
Impact: the field is omitted when empty, so existing usage JSON stays the same.
Refs: feature/durable-rewind
Co-authored-by: Cursor <cursoragent@cursor.com>

2026-10-03 17:28:40 +00:00