chore(release): prepare 0.15.0

[lightsofapollo]

Summary

• bump the published openapi-to-rust crate and lockfile from 0.14.0 to 0.15.0
• publish the merged schema round-trip and generator-correctness work as a dated release section
• document migration steps for generated Rust API, JSON wire behavior, and public library API breaks
• repair stale changelog comparison links through v0.15.0

Breaking-change guidance

The changelog now calls out:

• optional nullable fields becoming tri-state Option<Option<T>>
• retained discriminator fields and stricter discriminator validation
• schema-aware oneOf/lossless anyOf dispatch behavior
• regenerated names and types for corrected inline, nullable, composition, integer, time, and binary schemas
• public parser/analysis enum variants and struct-field changes

Validation

• cargo check --locked --all-features --all-targets
• cargo fmt --all -- --check
• cargo clippy --locked --all-features -- -D warnings
• cargo test --locked --all-features
• RUSTDOCFLAGS="-D warnings" cargo doc --locked --no-deps --all-features
• scripts/install-smoke.sh (installed package reports openapi-to-rust 0.15.0)

The merged generator change was separately validated by the full 55-spec schema round-trip gate: 28,139/29,045 components, 103,031 valid samples, and 906 explicit skips.

Beads: openapi-generator-gml

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Project	Deployment	Actions	Updated (UTC)
openapi-to-rust	Ready	Preview	Aug 28, 2026 5:19pm