feat: optimize export to excel filename generation and update docs

docs/plugins/actions/export-to-excel.md

@@ -1,12 +1,19 @@
 # Export to Excel
 
 <span class="category-badge action">Action</span>
-<span class="version-badge">v0.3.3</span>
+<span class="version-badge">v0.3.4</span>
 
 Export chat conversations to Excel spreadsheet format for analysis, archiving, and sharing.
 
+
+## What's New in v0.3.4
+
+- **Smart Filename Generation**: Now supports generating filenames based on Chat Title, AI Summary, or Markdown Headers.
+- **Configuration Options**: Added `TITLE_SOURCE` setting to control filename generation strategy.
+
 ---
 
+
 ## Overview
 
 The Export to Excel plugin allows you to download your chat conversations as Excel files. This is useful for:
@@ -23,6 +30,13 @@ The Export to Excel plugin allows you to download your chat conversations as Exc
 - :material-download: **One-Click Download**: Instant file generation
 - :material-history: **Full History**: Exports complete conversation
 
+## Configuration
+
+- **Title Source**: Choose how the filename is generated:
+  - `chat_title`: Use the chat title (default).
+  - `ai_generated`: Use AI to generate a concise title from the content.
+  - `markdown_title`: Extract the first H1/H2 header from the markdown content.
+
 ---
 
 ## Installation

docs/plugins/actions/export-to-excel.zh.md

@@ -1,12 +1,19 @@
 # Export to Excel（导出到 Excel）
 
 <span class="category-badge action">Action</span>
-<span class="version-badge">v1.0.0</span>
+<span class="version-badge">v0.3.4</span>
 
 将聊天记录导出为 Excel 表格，便于分析、归档和分享。
 
+
+## v0.3.4 更新内容
+
+- **智能文件名生成**：支持根据对话标题、AI 总结或 Markdown 标题生成文件名。
+- **配置选项**：新增 `TITLE_SOURCE` 设置，用于控制文件名生成策略。
+
 ---
 
+
 ## 概览
 
 Export to Excel 插件可以把你的聊天记录下载为 Excel 文件，适用于：
@@ -23,6 +30,13 @@ Export to Excel 插件可以把你的聊天记录下载为 Excel 文件，适用
 - :material-download: **一键下载**：即时生成文件
 - :material-history: **完整历史**：导出完整会话内容
 
+## 配置
+
+- **标题来源 (Title Source)**：选择文件名的生成方式：
+  - `chat_title`：使用对话标题（默认）。
+  - `ai_generated`：使用 AI 根据内容生成简洁标题。
+  - `markdown_title`：提取 Markdown 内容中的第一个 H1/H2 标题。
+
 ---
 
 ## 安装

docs/plugins/actions/index.md

@@ -53,7 +53,7 @@ Actions are interactive plugins that:
 
     Export chat conversations to Excel spreadsheet format for analysis and archiving.
 
-    **Version:** 0.3.3
+    **Version:** 0.3.4
 
     [:octicons-arrow-right-24: Documentation](export-to-excel.md)
 

docs/plugins/actions/index.zh.md

@@ -53,7 +53,7 @@ Actions 是交互式插件，能够：
 
     将聊天记录导出为 Excel 电子表格，方便分析或归档。
 
-    **版本：** 0.3.3
+    **版本：** 0.3.4
 
     [:octicons-arrow-right-24: 查看文档](export-to-excel.md)