fix: QueuePool hygiene for job-poll auth (mainline) - #226
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Reuse the request AsyncSession for tier lookup and API-key last_used updates (with Redis debounce), and wire the async engine to DB_POOL_SIZE/MAX_OVERFLOW defaults of 50/50 so legal poll bursts no longer exhaust the per-process pool via nested get_db_context holds. Co-authored-by: Cursor <cursoragent@cursor.com>
Use Redis SET NX for last-used debounce, require the request session in resolve_current_user, and avoid double-commit when TierService owns the session. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
AsyncSessionfor tier lookup and API-keylast_usedupdates (Redis SET NX debounce).DB_POOL_SIZE/DB_MAX_OVERFLOWdefaults of 50/50 so legal poll bursts no longer exhaust the per-process pool.main; a sibling hotfix targets prod cutv2026.06.18.2viarelease/v2026.06.18.2. No rate-limit policy changes.Test plan
apps/api/tests/unit/test_job_poll_session_hygiene.pyandshared/tests/test_database_pool_config.pyget_db_contextfor tier + last_used)Made with Cursor