v0.3.0

UOR Prism standard library release v0.3.0.

Crates (published to crates.io in dependency order):

• uor-prism-numerics — BigIntAxis, FixedPointAxis, FieldAxis, RingAxis
• uor-prism-crypto — HashAxis (SHA-2/3, BLAKE3, Keccak), CurveAxis, SignatureAxis, CommitmentAxis
• uor-prism-fhe — FheAxis
• uor-prism-tensor — TensorAxis, ActivationAxis
• uor-prism — the standard-library façade re-exporting foundation + every Layer-3 sub-crate (per wiki ADR-031)
• uor-prism-verify — the replay façade (per wiki ADR-005)

Built on uor-foundation and uor-foundation-sdk. Architecture documented at the UOR-Framework wiki.

Full Changelog: v0.2.0...v0.3.0