feat: enhance complex linetype rendering with DWG text style data, gap midpoint centering, and theme defaults

src/main.ts

@@ -185,9 +185,14 @@ async function run(label: string, job: () => Promise<CadParseResult>) {
   }
 }
 
+const civilFile = '/samples/civil.dwg';
+
 document.getElementById('sample')!.addEventListener('click', () => {
   void run('BasicSample.dwg', () => loadUrl('/samples/BasicSample.dwg', 'BasicSample.dwg'));
 });
+document.getElementById('sampleCivil')?.addEventListener('click', () => {
+  void run('C0060202-001-평면및종단면도.dwg', () => loadUrl(civilFile, 'C0060202-001-평면및종단면도.dwg'));
+});
 document.getElementById('sampleDxf')!.addEventListener('click', () => {
   void run('simple.dxf', () => loadUrl('/samples/simple.dxf', 'simple.dxf'));
 });
@@ -197,7 +202,6 @@ document.getElementById('file')!.addEventListener('change', (ev) => {
   void run(file.name, () => loadFile(file));
   (ev.target as HTMLInputElement).value = '';
 });
-document.getElementById('fit')!.addEventListener('click', () => viewer.fit());
 let dark = true;
 document.getElementById('theme')!.addEventListener('click', () => {
   dark = !dark;
@@ -216,6 +220,6 @@ window.addEventListener('drop', (e) => {
 
 const model = new URLSearchParams(location.search).get('model');
 if (model) void run(model, () => loadUrl(model));
-else setStatus('ready · Sample DWG / DXF 또는 파일 드롭');
+else void run('C0060202-001-평면및종단면도.dwg', () => loadUrl(civilFile, 'C0060202-001-평면및종단면도.dwg'));
 
 window.addEventListener('resize', () => viewer.resize());