Update landing page and ground link features

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

pierzainer_ground/ground-link.test.ts

@@ -0,0 +1,11 @@
+import { describe,it,expect } from 'vitest';
+import { mkdir,writeFile } from 'node:fs/promises';
+import path from 'node:path';
+import { randomUUID } from 'node:crypto';
+import { findGroundDrawing } from './ground-link-server';
+const base=path.join(import.meta.dirname,'data/cache/link-tests');
+describe('지반 프로그램 원본 종평면도 연결',()=>{
+ it('Excel 시작은 도면을 임의로 지정하지 않는다',async()=>expect(await findGroundDrawing('')).toBeUndefined());
+ it('폴더의 종평면도 원본 DWG를 선택하고 변환 DXF와 중복하지 않는다',async()=>{const dir=path.join(base,randomUUID());await mkdir(dir,{recursive:true});await writeFile(path.join(dir,'산외교 종평면도.dwg'),'');await writeFile(path.join(dir,'종평면도.dxf'),'');await writeFile(path.join(dir,'받침배치도.dwg'),'');expect(await findGroundDrawing(dir)).toBe(path.join(dir,'산외교 종평면도.dwg'));});
+ it('서로 다른 종평면도 원본이 여럿이면 사용자 선택으로 남긴다',async()=>{const dir=path.join(base,randomUUID());await mkdir(dir,{recursive:true});await writeFile(path.join(dir,'A교 종평면도.dwg'),'');await writeFile(path.join(dir,'B교 종평면도.dwg'),'');expect(await findGroundDrawing(dir)).toBeUndefined();});
+});