Verify: markdown table header row issue already fixed

[Copilot]

Issue #33 reported that markdown table to docx conversion was losing header rows. Investigation shows the issue does not reproduce in the current codebase.

Verification

Ran table_and_tasklist_demo.go and extracted XML from generated DOCX. All table headers are present:

Table	Row 0 (Header)	Status
1	功能特性, 状态, 优先级, 备注	✅
2	左对齐, 居中对齐, 右对齐, 默认对齐	✅
3	序号, 模块名称, 实现状态, 功能描述, 测试覆盖率	✅
4	分类, 功能点, Markdown语法, Word输出, 状态	✅

Current Implementation

renderTable in pkg/markdown/renderer.go correctly handles both node types:

// First pass: collect TableHeader nodes
for child := node.FirstChild(); child != nil; child = child.NextSibling() {
    if row, ok := child.(*extast.TableHeader); ok {
        // ... collects header cells
    }
}

// Second pass: collect TableRow nodes  
for child := node.FirstChild(); child != nil; child = child.NextSibling() {
    if row, ok := child.(*extast.TableRow); ok {
        // ... collects body cells
    }
}

Conclusion

Per instruction "先复现后修复,没问题则不进行修改" — no code changes needed. The screenshot in the issue likely reflects an older version that has since been fixed.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>markdown表格转docx后丢失标题行了</issue_title>
<issue_description>使用examples\markdown_demo\table_and_tasklist_demo.go

## 4. 表格功能

### 4.1 基础表格

| 功能特性 | 状态 | 优先级 | 备注 |
|----------|------|--------|------|
| 标题转换 | ✅ 完成 | 高 | 支持1-6级标题 |
| 文本格式 | ✅ 完成 | 高 | 粗体、斜体、代码 |
| 表格转换 | ✅ 完成 | 中 | 支持对齐方式 |
| 任务列表 | ✅ 完成 | 中 | GFM扩展功能 |
| 图片处理 | 🔄 开发中 | 低 | 基础支持 |

### 4.2 对齐方式表格

| 左对齐 | 居中对齐 | 右对齐 | 默认对齐 |
|:-------|:--------:|-------:|----------|
| 内容1 | 居中内容 | 右对齐内容 | 默认内容 |
| 较长的内容文本 | 短内容 | 数字123 | 普通文本 |
| Left | Center | Right | Normal |

转换后的docx表格没有标题行

</issue_description>

<agent_instructions>先复现后修复,没问题则不进行修改
</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes markdown表格转docx后丢失标题行了 #33

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