docs: update release notes for v1.7.0-rc.1

Add comprehensive release notes highlighting:
- AI Agent system as the major new feature
- New AI providers support (Hugging Face, Mistral, Perplexity, SophNet)
- Knowledge base enhancements (OpenMinerU, full-text search)
- Image & OCR improvements (Intel OVMS, OpenVINO NPU)
- MCP management interface redesign with dual-column layout
- German language support
- Electron 38.7.0 upgrade and system improvements
- Important bug fixes

electron-builder.yml

@@ -134,42 +134,58 @@ artifactBuildCompleted: scripts/artifact-build-completed.js
 releaseInfo:
   releaseNotes: |
     <!--LANG:en-->
-    What's New in v1.7.0-beta.6
+    What's New in v1.7.0-rc.1
 
-    New Features:
-    - Enhanced Input Bar: Completely redesigned input bar with improved responsiveness and functionality
-    - Better File Handling: Improved drag-and-drop and paste support for images and documents
-    - Smart Tool Suggestions: Enhanced quick panel with better item selection and keyboard shortcuts
+    🎉 MAJOR NEW FEATURE: AI Agents
+    - Create and manage custom AI agents with specialized tools and permissions
+    - Dedicated agent sessions with persistent SQLite storage, separate from regular chats
+    - Real-time tool approval system - review and approve agent actions dynamically
+    - MCP (Model Context Protocol) integration for connecting external tools
+    - Slash commands support for quick agent interactions
+    - OpenAI-compatible REST API for agent access
 
-    Improvements:
-    - Smoother Input Experience: Better auto-resizing and text handling in chat input
-    - Enhanced AI Performance: Improved connection stability and response speed
-    - More Reliable File Uploads: Better support for various file types and upload scenarios
-    - Cleaner Interface: Optimized UI elements for better visual consistency
+    ✨ New Features:
+    - AI Providers: Added support for Hugging Face, Mistral, Perplexity, and SophNet
+    - Knowledge Base: OpenMinerU document preprocessor, full-text search in notes, enhanced tool selection
+    - Image & OCR: Intel OVMS painting provider and Intel OpenVINO (NPU) OCR support
+    - MCP Management: Redesigned interface with dual-column layout for easier management
+    - Languages: Added German language support
 
-    Bug Fixes:
-    - Fixed image selection issue when adding custom AI providers
-    - Fixed file upload problems with certain API configurations
-    - Fixed input bar responsiveness issues
-    - Fixed quick panel not working properly in some situations
+    ⚡ Improvements:
+    - Upgraded to Electron 38.7.0
+    - Enhanced system shutdown handling and automatic update checks
+    - Improved proxy bypass rules
+
+    🐛 Important Bug Fixes:
+    - Fixed streaming response issues across multiple AI providers
+    - Fixed session list scrolling problems
+    - Fixed knowledge base deletion errors
 
     <!--LANG:zh-CN-->
-    v1.7.0-beta.6 新特性
+    v1.7.0-rc.1 新特性
 
-    新功能:
-    - 增强输入栏：完全重新设计的输入栏，响应更灵敏，功能更强大
-    - 更好的文件处理：改进的拖拽和粘贴功能，支持图片和文档
-    - 智能工具建议：增强的快速面板，更好的项目选择和键盘快捷键
+    🎉 重大更新：AI Agent 智能体系统
+    - 创建和管理专属 AI Agent，配置专用工具和权限
+    - 独立的 Agent 会话，使用 SQLite 持久化存储，与普通聊天分离
+    - 实时工具审批系统 - 动态审查和批准 Agent 操作
+    - MCP（模型上下文协议）集成，连接外部工具
+    - 支持斜杠命令快速交互
+    - 兼容 OpenAI 的 REST API 访问
 
-    改进:
-    - 更流畅的输入体验：聊天输入框的自动调整和文本处理更佳
-    - 增强 AI 性能：改进连接稳定性和响应速度
-    - 更可靠的文件上传：更好地支持各种文件类型和上传场景
-    - 更简洁的界面：优化 UI 元素，视觉一致性更好
+    ✨ 新功能:
+    - AI 提供商：新增 Hugging Face、Mistral、Perplexity 和 SophNet 支持
+    - 知识库：OpenMinerU 文档预处理器、笔记全文搜索、增强的工具选择
+    - 图像与 OCR：Intel OVMS 绘图提供商和 Intel OpenVINO (NPU) OCR 支持
+    - MCP 管理：重构管理界面，采用双列布局，更加方便管理
+    - 语言：新增德语支持
 
-    问题修复:
-    - 修复添加自定义 AI 提供商时的图片选择问题
-    - 修复某些 API 配置下的文件上传问题
-    - 修复输入栏响应性问题
-    - 修复快速面板在某些情况下无法正常工作的问题
+    ⚡ 改进:
+    - 升级到 Electron 38.7.0
+    - 增强的系统关机处理和自动更新检查
+    - 改进的代理绕过规则
+
+    🐛 重要修复:
+    - 修复多个 AI 提供商的流式响应问题
+    - 修复会话列表滚动问题
+    - 修复知识库删除错误
     <!--LANG:END-->