HWPX MCP Server

# Change: Fix cell image XML attributes for proper display in 한글 ## Why Cell images inserted via `insert_image_in_cell` and `render_mermaid_in_cell` appear correctly in VSCode preview but fail to display in the native 한글 (HWP) application. Analysis of reference files created by 한글 revealed incorrect XML attribute values in our implementation. ## What Changes - **BREAKING**: Change `textWrap` attribute from `"SQUARE"` to `"TOP_AND_BOTTOM"` - Change `affectLSpacing` attribute from `"1"` to `"0"` (per HWPML spec default) - Change `holdAnchorAndSO` attribute from `"1"` to `"0"` (per HWPML spec default) - Change `horzRelTo` attribute from `"PARA"` to `"COLUMN"` (match 한글 behavior) ## Impact - Affected specs: `cell-image-insertion` (new capability) - Affected code: `mcp-server/src/HwpxDocument.ts:3498-3525` (`applyCellImageInsertsToXml` function) ## Analysis Reference ### 한글에서 생성한 셀 내부 이미지 (정상 작동): ```xml <hp:pic textWrap="TOP_AND_BOTTOM" ...> <hp:pos treatAsChar="1" affectLSpacing="0" holdAnchorAndSO="0" vertRelTo="PARA" horzRelTo="COLUMN" .../> </hp:pic> ``` ### 현재 MCP 생성 (문제): ```xml <hp:pic textWrap="SQUARE" ...> <hp:pos treatAsChar="1" affectLSpacing="1" holdAnchorAndSO="1" vertRelTo="PARA" horzRelTo="PARA" .../> </hp:pic> ``` ### 공식 HWPML 문서 참조: - `TextWrapType.TopAndBottom`: "좌/우에는 텍스트를 배치하지 않음" - `affectLSpacing`: 기본값 `false` (TreatAsChar="true"일 때만 사용) - `holdAnchorAndSO`: 기본값 `false` - `horzRelTo`: Column = "단" 기준