fix(slack): retry 5xx and retryable JSON errors on every call - #84
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Match Gmail: GET and POST (including chat.postMessage) retry 429, 5xx, internal_error, and fatal_error. Honour Retry-After. Real errors still fail fast. Co-authored-by: Cursor <cursoragent@cursor.com>
MaximeGaudin
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Sep 14, 2026
- Add DB indexes on (connector, external_id) for conversations and messages (migration v14) — avoids full table scans in find_by_connector_external_id queries. - Extract MAX_THREAD_MESSAGES constant in gmail store module. - Document POST retry trade-off in Slack transport. - Add Gmail quota source reference in rate limiter constants. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
internal_error/fatal_error, same as existing 429 /ratelimited.chat.postMessage. HonourRetry-After. 401 and other real errors still fail fast.Closes #81
Test plan
Retry-After: 0503 onconversations.listretries then returns Httpchat.postMessagesucceedsinternal_errorthen success on sendchannel_not_found/invalid_authstill fail on the first attempt