dsh-chatgpt-codex v0.1.0

First public release.

• Native DeepSeek Harness openai-codex model adapter
• ChatGPT browser callback OAuth with PKCE and strict state validation
• Headless device-code OAuth
• Secure atomic credential storage and automatic refresh rotation
• Streaming text, reasoning, tools, images, usage, and encrypted multi-turn replay
• No OpenAI API key and no pi-ai runtime dependency

Requires the DeepSeek Harness 0.1.0-rc.6+ next API.