Update README files to reflect branding and focus changes

- Changed the branding in both English and Chinese README files from "Self-hosted personal AI assistant" to "Enterprise-grade self-hosted AI assistant."
- Updated the focus description to emphasize enterprise-grade capabilities and bilingual support, enhancing clarity for potential users.

Author: InfernalAzazel

README-zh_CN.md

@@ -7,7 +7,7 @@
 </p>
 
 <p align="center">
-  <strong>自托管个人 AI 助手</strong><br />
+  <strong>企业级自托管 AI 助手</strong><br />
   飞书通道 · 内置 Web 控制台 · LiteLLM 多模型
 </p>
 
@@ -427,7 +427,7 @@ ollama/llama3.1
 | 技术栈 | Node / TypeScript | Python、Agno、FastAPI |
 | 通道 | 多平台即时通讯 | 飞书为主（可扩展） |
 | 扩展 | 浏览器、Canvas、Cron 等 | Cron、Shell、浏览器（Playwright）、MCP、本地 Skills |
-| 定位 | 全平台个人助手 | 自托管、中英文场景、轻量中控与 Web 一体 |
+| 定位 | 全平台个人助手 | 企业级自托管 AI 助手，中英文友好，内置一体化 Web 控制台 |
 
 ---
 

README.md

@@ -7,7 +7,7 @@
 </p>
 
 <p align="center">
-  <strong>Self-hosted personal AI assistant</strong><br />
+  <strong>Enterprise-grade self-hosted AI assistant</strong><br />
   Feishu channel · Built-in Web console · LiteLLM multi-model
 </p>
 
@@ -429,7 +429,7 @@ ollama/llama3.1
 | Stack | Node / TypeScript | Python, Agno, FastAPI |
 | Channels | Many IM platforms | Feishu-first (extensible) |
 | Extensions | Browser, Canvas, Cron, etc. | Cron, Shell, browser (Playwright), MCP, local Skills |
-| Focus | Cross-platform personal assistant | Self-hosted, bilingual-friendly, lightweight control plane with integrated Web UI |
+| Focus | Cross-platform personal assistant | Enterprise-grade self-hosted AI assistant, bilingual-friendly, with an integrated Web control plane |
 
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