Files
sub2api/backend/internal/service
ye4241andClaude Opus 4.8 db8692d679 fix(ratelimit): pause CN coding-plan accounts on quota-exhausted 403
Kimi reports Coding Plan window exhaustion (5h/weekly) as a 403 with
error.type=access_terminated_error instead of 429. It fell into the
generic handleOpenAI403 escalation, so three 403s within 180 minutes
permanently disabled accounts that recover by themselves at the window
reset.

Detect the quota-exhausted 403 for CN coding-plan accounts and cool it
down exactly like the 429 path: SetRateLimited until the earliest future
window reset from the quota snapshot, falling back to a short
temp-unschedulable window when the snapshot is missing. Non-coding-plan
accounts keep the generic 403 escalation since the rolling-window
recovery mechanism does not apply to them.

Also extract cooldownCNProviderToQuotaSnapshotReset and
setCNProviderTempUnschedulable so the 429 (OpenCodeGo / Coding Plan)
and 403 branches stop carrying three copies of the same sequence.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-09-19 00:00:57 +08:00
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