feat(sponsor): add AIHubMix as new sponsor

- Add AIHubMix sponsor entry to both English and Chinese READMEs
- AIHubMix: ¥1,000 one-time sponsorship
- Deep integration with OpenAI/Claude/Gemini/Qwen/DeepSeek/Kimi
- Officially authorized by Microsoft Azure, AWS, GCP
- Link: https://aihubmix.com/?aff=XNdl

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

README.md

@@ -84,6 +84,10 @@ MiniMax-M2.7 is a next-generation large language model designed for autonomous e
 <td width="150"><a href="https://ddshub.short.gy/ccconnect"><img src="assets/sponsors/ddshub.png" alt="DDS Hub" width="120"></a></td>
 <td>Thanks to DDS for sponsoring this project! DDS Hub is a reliable and high-performance Claude and CodeX API proxy service. We provides cost-effective domestic Claude direct acceleration services for both individual and enterprise users. We offer stable and low-latency Claude Max number pools, with full support for Claude Haiku, Opus, Sonnet, GPT 5.4 and other flagship models. Invoices are available for recharges of 1000 RMB or more. Enterprise customers can also enjoy customized grouping and dedicated technical support services. Exclusive benefit for CC connect users: Register via <a href="https://ddshub.short.gy/ccconnect">this link</a> and enjoy an extra 10% credit on your first recharge (please contact the group admin to claim after recharging)!</td>
 </tr>
+<tr>
+<td width="150"><a href="https://aihubmix.com/?aff=XNdl"><img src="assets/sponsors/aihubmix.png" alt="AIHubMix" width="120"></a></td>
+<td>Thanks to AIHubMix for sponsoring this project! AIHubMix offers deep integration with OpenAI, Claude, Gemini, Qwen, DeepSeek, Kimi, and other leading global models, delivering production-grade stability and unlimited concurrency to power enterprise-scale applications. Officially authorized by Microsoft Azure, AWS, and GCP, AIHubMix runs on Google Cloud infrastructure and serves as the trusted AI backbone behind numerous well-known applications worldwide. One API Key drives all your Agents — with native support for OpenAI, Anthropic, and Gemini interface formats, so you can migrate without changing a single line of code. Paid models are billed at rates aligned with official providers, while free models like coding-glm-5.1-free are also available, covering every use case from solo development to enterprise deployment. <a href="https://aihubmix.com/?aff=XNdl">Click here to sign up!</a></td>
+</tr>
 </table>
 
 </details>

README.zh-CN.md

@@ -84,6 +84,10 @@ MiniMax M2.7 是 MiniMax 首个深度参与自我迭代的模型，可自主构
 <td width="150"><a href="https://ddshub.short.gy/ccconnect"><img src="assets/sponsors/ddshub.png" alt="DDS Hub" width="120"></a></td>
 <td>感谢 DDS 赞助本项目！呆呆兽是一家专注 Claude 和 CodeX 的可靠高效 API 中转站，稳定运行、价格透明、开票便捷。为开发者提供高性价比的 AI 模型接入服务。通过 <a href="https://ddshub.short.gy/ccconnect">此链接</a> 注册。</td>
 </tr>
+<tr>
+<td width="150"><a href="https://aihubmix.com/?aff=XNdl"><img src="assets/sponsors/aihubmix.png" alt="AIHubMix" width="120"></a></td>
+<td>感谢 AIHubMix 赞助本项目！AIHubMix 深度适配 OpenAI、Claude、Gemini、Qwen、DeepSeek、Kimi 等全球主流模型，提供生产级稳定性与无限并发能力，支撑企业级大规模应用需求。获得微软 Azure、AWS、GCP 等官方授权，服务长期运行于谷歌云集群，是众多知名海外应用背后可信赖的 AI 基础设施。一个 API Key 统一驱动全部 Agent，支持 OpenAI / Anthropic / Gemini 三种原生接口格式，代码零改动无缝迁移。付费模型按量计费对齐原厂，同时集成 coding-glm-5.1-free 等多款免费模型，覆盖从个人开发到企业部署的全场景需求。通过 <a href="https://aihubmix.com/?aff=XNdl">此链接</a> 注册。</td>
+</tr>
 </table>
 
 </details>