# Changelog
All notable changes to `neuron-runtime` are documented here.
Maintained by [release-please](https://github.com/googleapis/release-please)
from [Conventional Commits](https://www.conventionalcommits.org/).
## [0.3.0](https://github.com/SecBear/neuron/compare/neuron-runtime/v0.2.0...neuron-runtime-v0.3.0) (2026-02-24)
### Features
* add new modules, examples, and tests ([dae838c](https://github.com/SecBear/neuron/commit/dae838c1a4d5aa802d2ec11bd9007d5428ea378f))
* usage limits, tool timeout, structured output validation, and OTel instrumentation ([#40](https://github.com/SecBear/neuron/issues/40)) ([1af2182](https://github.com/SecBear/neuron/commit/1af2182b52fb1864fa61ef86e6a50216f4202939))
* v0.2 core features ([28d14f6](https://github.com/SecBear/neuron/commit/28d14f6de7af63621217c02fd54db0e26bd52eb1))
### Bug Fixes
* replace invalid crates.io category slug artificial-intelligence with science ([f330701](https://github.com/SecBear/neuron/commit/f3307010c7c97964c8d039ad10c6a0556dec3838))
* resolve 4 CI failures (format, dead code, links, cargo-deny) ([7adaf89](https://github.com/SecBear/neuron/commit/7adaf89473f9a69a12e6966dfa361016bd0d4d03))
## [0.2.0] - 2026-02-22
### Added
- `TracingHook` — concrete `ObservabilityHook` using the `tracing` crate, maps all 8 hook events to structured spans
- `GuardrailHook` — `ObservabilityHook` adapter that wires input/output guardrails into the hook system (builder pattern)
- `tracing_hook`, `local_durable`, and `full_production` examples
- `categories` and `documentation` fields in Cargo.toml