feat: 升级Excel导出插件，增加AI生成文件名、导出所有消息选项并优化样式

plugins/actions/export_to_excel/README.md

@@ -2,15 +2,19 @@
 
 This plugin allows you to export your chat history to an Excel (.xlsx) file directly from the chat interface.
 
-### What's New in v0.3.5
+## What's New in v0.3.6
+
+- **OpenWebUI-Style Theme**: Modern dark header (#1f2937) with light gray zebra striping for better readability.
+- **Zebra Striping**: Alternating row colors (#ffffff / #f3f4f6) for improved visual scanning.
+- **Smart Data Type Conversion**: Automatically converts columns to numeric or datetime types with fallback to string.
+- **Full Cell Bold/Italic**: Supports full cell Markdown bold (`**text**`) and italic (`*text*`) formatting in Excel.
+- **Partial Markdown Cleanup**: Automatically removes partial Markdown formatting symbols (e.g., `Some **bold** text` → `Some bold text`) for cleaner Excel output.
 - **Export Scope**: Added `EXPORT_SCOPE` valve to choose between exporting tables from the "Last Message" (default) or "All Messages".
 - **Smart Sheet Naming**: Automatically names sheets based on Markdown headers, AI titles (if enabled), or message index (e.g., `Msg1-Tab1`).
 - **Multiple Tables Support**: Improved handling of multiple tables within single or multiple messages.
-
-## What's New in v0.3.4
-
-- **Smart Filename Generation**: Now supports generating filenames based on Chat Title, AI Summary, or Markdown Headers.
+- **Smart Filename Generation**: Supports generating filenames based on Chat Title, AI Summary, or Markdown Headers.
 - **Configuration Options**: Added `TITLE_SOURCE` setting to control filename generation strategy.
+- **AI Title Generation**: Added `MODEL_ID` setting to specify the model for AI title generation, with progress notifications.
 
 ## Features