Bennet Bo Fenner e151927ee4 open_ai: Classify additional overload errors (#63238)
OpenAI can return streamed overload errors with the codes
`server_is_overloaded` and `slow_down`. Zed previously only recognized
`overloaded_error`, so these responses fell through to
`ProviderErrorCategory::Other`. Downstream consumers could then treat a
routine provider-capacity failure as an unexpected error.

Classify all three codes as `ProviderErrorCategory::Overloaded`. This
lets existing retry and error-reporting behavior handle them
consistently without matching provider-specific messages outside the
OpenAI response parser.

This matches Codex’s handling. Codex classifies both
[`server_is_overloaded` and `slow_down` in streamed
responses](https://github.com/openai/codex/blob/a26f1806a4f4b8cfec2ea1be129963815a61e58c/codex-rs/codex-api/src/sse/responses.rs#L696-L699),
and performs the [same classification for HTTP 503 response
bodies](https://github.com/openai/codex/blob/a26f1806a4f4b8cfec2ea1be129963815a61e58c/codex-rs/codex-api/src/api_bridge.rs#L63-L74).

Release Notes:

- Improved OpenAI error handling
2026-08-26 08:55:34 +00:00
2026-08-12 08:35:43 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2026-08-09 22:29:52 +00:00
2026-08-09 22:29:52 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00

Zed

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