fix(auxiliary): cache 402'd providers as unhealthy with TTL to stop per-call retry storms#23597
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…er-call retry storms When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue #23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs #23570
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rmulligan
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May 11, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
JinyuID
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May 11, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
02356abc
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May 14, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
jsboige
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May 14, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
AlexFoxD
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May 21, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
gweeteve
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Jun 2, 2026
…er-call retry storms (NousResearch#23597) When an auxiliary provider returns HTTP 402 (credit / payment), every subsequent compression / title-gen / session-search / vision call still re-tried it as the FIRST entry in the chain — burning ~1 RTT to hit 402 again, then falling back. On a long Discord/LCM session that meant dozens of doomed 402s per minute (issue NousResearch#23570). Add a per-process unhealthy-provider cache with a 10 min TTL. When any caller observes a payment error against a provider, the label is marked unhealthy and skipped by: * _resolve_auto Step-1 (main provider use-as-aux path) * _resolve_auto Step-2 (aggregator/fallback chain) * _try_payment_fallback (used by call_llm/acall_llm on first 402) Skip-logs are throttled to once per minute per label so a bursty session doesn't spam agent.log. Entries auto-expire so a topped-up account recovers without manual intervention. The cache is in-process only by design — multi-profile users with different keys per profile must each hit the 402 once. Refs NousResearch#23570
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Closes part of #23570 (depleted-OpenRouter retry storm).
Summary
Stops aux from re-trying a depleted provider on every single compression / title-gen / session-search call. When any auxiliary call hits HTTP 402, the provider is marked unhealthy with a 10-minute TTL and skipped by every subsequent aux chain iteration until the TTL expires.
Changes
agent/auxiliary_client.py:_mark_provider_unhealthy,_is_provider_unhealthy,_log_skip_unhealthy,_reset_aux_unhealthy_cache,_normalize_chain_label)_resolve_auto(main-provider-as-aux path) now consults the cache → bypasses the depleted main provider, falls to Step-2_try_payment_fallbackconsults the cache → second 402 within the same call doesn't re-try the same depleted endpointcall_llm/acall_llmmark the provider unhealthy when they observe a payment error (using_recoverable_pool_providerto derive the actual provider label frombase_urlwhenresolved_provider == "auto")tests/agent/test_auxiliary_client.py: newTestAuxUnhealthyCache(7 tests)Behavior contract
_AUX_UNHEALTHY_TTL_SECONDS); expires lazily on next lookupValidation
tests/agent/tests/agent/test_auxiliary_*Refs #23570 (3 of 3: PR #23585 covered the silent config-parse failure; native-image data-URL replay PR is next).