fix: Retry transient failures for internal BTQL requests#2227
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Luca Forstner (lforst)
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Luca Forstner (lforst)
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Jul 15, 2026
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Add bounded retries for semantically read-only BTQL POST requests used by
dataset/object fetching, span fetching, and prompt-version history.
Retry network failures and transient 500, 502, 503, and 504 responses with
exponential backoff and jitter while respecting cancellation. Retry behavior is
opt-in through the existing internal HTTP
post()method, so ordinary POST andwrite requests remain non-retrying.
No end-user code changes are required. Users receive the behavior automatically
after upgrading to a version containing this fix.
Add regression coverage that simulates a transient BTQL 500 followed by a
successful response. Also cover non-transient responses, aborted requests, and
ordinary POST behavior.
The underlying production backend failure is transient and cannot be reproduced
reliably on demand. The regression test reproduces the SDK-visible failure mode
using a controlled mocked response and verifies that the request now recovers.