### 新功能
- **Kimi K3 与延迟工具加载** — 在内置提供商中全面使用 Kimi K3，包括通过 Kimi 原生协议逐步激活扩展工具。请参阅 [动态工具加载](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/extensions.md#dynamic-tool-loading)、[OpenAI 兼容性](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/models.md#openai-compatibility) 以及 [`kimi-deferred-tools.ts`](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/examples/extensions/kimi-deferred-tools.ts) 示例。
### 新增
- 为 Kimi Coding、Moonshot AI、Moonshot AI 中国版、OpenRouter 和 Vercel AI Gateway 添加了继承的 Kimi K3 支持。
- 添加了用于扩展驱动工具激活的 Kimi 延迟工具加载功能。请参阅 [动态工具加载](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/extensions.md#dynamic-tool-loading)、[OpenAI 兼容性](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/models.md#openai-compatibility) 以及 [`kimi-deferred-tools.ts`](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/examples/extensions/kimi-deferred-tools.ts) 示例。
### 更改
- 更改 xAI 登录方式，使用预填的设备授权链接，标签为“使用 SuperGrok 或 X Premium 登录”，并将默认 xAI 模型更改为 Grok 4.5（[#6734](https://github.com/earendil-works/pi/pull/6734) by [@Jaaneek](https://github.com/Jaaneek)）。
### 修复
- 修复了 Vercel AI Gateway 和 OpenRouter 模型的继承 Kimi K3 输出限制问题。
- 修复了在首次助手响应前克隆或分叉会话的问题，现会提示必须先保存会话。
### 移除
- 从内置 xAI 模型目录中移除了 Grok 3、Grok 3 Fast、Grok 4.20 变体以及 Grok Code Fast 1（[#6734](https://github.com/earendil-works/pi/pull/6734) by [@Jaaneek](https://github.com/Jaaneek)）。
### New Features
- **Kimi K3 and deferred tool loading** — Use Kimi K3 across built-in providers, including progressive extension tool activation through Kimi’s native protocol. See [Dynamic Tool Loading](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/extensions.md#dynamic-tool-loading), [OpenAI Compatibility](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/models.md#openai-compatibility), and the [`kimi-deferred-tools.ts`](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/examples/extensions/kimi-deferred-tools.ts) example.
### Added
- Added inherited Kimi K3 support for Kimi Coding, Moonshot AI, Moonshot AI China, OpenRouter, and Vercel AI Gateway.
- Added Kimi deferred tool loading for extension-driven tool activation. See [Dynamic Tool Loading](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/extensions.md#dynamic-tool-loading), [OpenAI Compatibility](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/models.md#openai-compatibility), and the [`kimi-deferred-tools.ts`](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/examples/extensions/kimi-deferred-tools.ts) example.
### Changed
- Changed xAI login to use a prefilled device-authorization link labeled “Sign in with SuperGrok or X Premium,” and changed the default xAI model to Grok 4.5 ([#6734](https://github.com/earendil-works/pi/pull/6734) by [@Jaaneek](https://github.com/Jaaneek)).
### Fixed
- Fixed inherited Kimi K3 output limits for Vercel AI Gateway and OpenRouter models.
- Fixed cloning or forking a session before its first assistant response to explain that the session must be saved first.
### Removed
- Removed Grok 3, Grok 3 Fast, Grok 4.20 variants, and Grok Code Fast 1 from the built-in xAI model catalog ([#6734](https://github.com/earendil-works/pi/pull/6734) by [@Jaaneek](https://github.com/Jaaneek)).