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ComfyUI-Lora-Manager/tests
Will Miao c2a2048c8b feat(services): add per-destination rate-limit gate for API traffic (#1085)
Implement Phase 1 of docs/plans/issue-1085-rate-limit-design.md:

- New RateLimitCoordinator: per-host shared Retry-After gate with
  exponential backoff (30s base, 1800s cap), minimum inter-request pacing
  (default 0.75s), herd-free waiter serialization via per-destination
  locks, and a bounded wait (default 300s) that raises instead of parking.
- Downloader.make_request: connectivity-guard fail-fast first, then gate
  pacing; on 429 register the cooldown and wait-and-resend (bounded);
  errors that passed through the gate are marked gate_handled.
- FallbackMetadataProvider / MetadataSyncService: a network provider 429
  no longer fails over to other network providers (stops the CivArchive
  flood); sqlite stays as local last resort. Rate-limited lookups now
  report "Rate limited" instead of "Model not found", so transient 429s
  no longer mark models civitai_deleted.
- _RateLimitRetryHelper skips its own sleep for gate_handled errors,
  removing the double wait.
- New settings: rate_limit_gate_enabled, rate_limit_max_wait_seconds,
  rate_limit_min_interval_seconds.
2026-08-27 09:53:07 +08:00
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