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## 0.34.0

**`(feat):`** Add `retryStatusCodes` configuration option (`"legacy"` | `"recommended"`).
Legacy (default) preserves existing behavior (408, 429, >= 500).
Recommended retries only transient codes (408, 429, 502, 503, 504), excluding
500 Internal Server Error to avoid retrying non-idempotent failures.