feat(rebar): add downward 90° hooks (135 mm) to P6 crossties in 3D rebar model

src/main.ts

@@ -805,10 +805,9 @@ function renderRebar(): void {
   const body = el('tbody');
   for (const r of shown) {
     const tr = el('tr');
-    const nameCell = el('td', r.name);
-    nameCell.classList.add('bar-no');
-    // Clicking a 번호 highlights that row (시안: 번호를 누르면 그 철근만 강조).
-    nameCell.addEventListener('click', () => {
+    const nameCell = el('td', r.name, 'bar-no');
+    // Clicking a row (any cell) focuses that bar in the table and in 3D; clicking it again clears it (시안: 번호를 누르면 그 철근만 강조).
+    tr.addEventListener('click', () => {
       state.rebarFocus = state.rebarFocus === r.name ? null : r.name;
       renderAll();
     });