rayon-sdk-py 1.1.4

Persistent clients retain original material within 128 bundles / 16 MiB per client, coalesce simultaneous uploads, and refresh material on the next generation near expiry.

A confirmed HTTP 422 material_expired response with billing_status: "not_charged" can recover once using retained originals. Each generation preserves its current request, profile and cookie inputs. Transport failures, cancellation and ambiguous billing outcomes are never automatically retried. Recovery and material waiting share one monotonic overall deadline.

Validation: 263 tests passed on Python 3.12; source/wheel builds, archive audit, twine validation, installation and version import passed.