Add 429 retry/backoff to Grain API client - #6
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The Grain API rate-limits aggressively and returns HTTP 429 during rapid pagination in list_all_recordings, which caused the daily meeting fetch to fail immediately with no retry. Wrap _get in a retry loop with exponential backoff that honors the Retry-After header when present, so paginated fetches can complete. Co-Authored-By: Oz <oz-agent@warp.dev>
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Summary
The Grain API rate-limits aggressively and returns HTTP 429 during rapid pagination in
list_all_recordings. This causedscripts/fetch_daily_meetings.pyto fail immediately on the second page of results with no retry, blocking the daily meeting pipeline.Change
_getinscripts/grain_client.pyin a retry loop with exponential backoff.Retry-Afterresponse header when present; otherwise back off2 * 2^attemptseconds, up to 5 attempts.Testing
python scripts/fetch_daily_meetings.py todayafter the change; the fetch backed off through the 429s and completed successfully, returning 4 external customer meetings for 2026-07-24.Conversation: https://app.warp.dev/conversation/c125a783-4dbd-4922-b047-f7158d05d372
Run: https://oz.warp.dev/runs/019f97a5-06c0-7653-a9f3-0f83e0148ac0
This PR was generated with Oz.