# Changelog

All notable changes to Nanocodex are documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.3.0](https://github.com/gakonst/nanocodex/releases/tag/v0.3.0) - 2026-07-28

### Bug Fixes

- [ci] Satisfy strict Clippy checks
- [oai] Reject empty continuation checkpoints
- [oai] Bound WebSocket pump backlog
- [oai] Ignore non-assistant final messages
- [oai] Preserve stable item ids in ephemeral requests
- [api] Restore refactored consumer builds

### Documentation

- Finalize the PR 50 public API guide
- [oai] Prepare package changelog

### Features

- Stabilize observability and USD cost

### Miscellaneous Tasks

- [release] Prepare 0.3.0

### Other

- Merge pull request [#50](https://github.com/gakonst/nanocodex/issues/50) from gakonst/refactor/05-observability

### Performance

- Gate PR 50 hot paths

### Refactor

- [api] Stabilize Tower and lifecycle boundaries
- [oai] Contain agent-only session internals
- [agent] Decompose model lifecycle
- Align agent lifecycle with Codex
- Isolate platform runtime boundaries
- Stabilize public SDK surface
- Extract owned agent lifecycle
- Consolidate tools and MCP
- Consolidate the OpenAI Responses API

### Styling

- [oai] Format final-message regression
- [oai] Format item id policy

### Testing

- [oai] Compare tool search arguments semantically

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