Stop the leader row from shadowing the language variable

A local variable named L inside the leader table hid the global L that holds the chosen language, so every board description fell through to English while the rest of the page was Korean.

index.html

@@ -403,13 +403,13 @@ async function paintLeaders(){
   const el=$("#leaders"); if(!el)return;
   let d; try{ d=await j("/api/leaders"); }catch(e){ el.innerHTML=""; return; }
   const rows=d.rows.map(r=>{
-    const L=r.leader;
+    const ld=r.leader;   // 전역 L 은 언어다. 가리지 않는다
     // 점수는 부문마다 주지표가 다르다. 회귀 부문은 MAE, 분류 전용 부문은 AUROC.
     const reg=r.baseline_best!=null;
-    const score=L?(reg?L.mae:L.auroc):null;
+    const score=ld?(reg?ld.mae:ld.auroc):null;
     const bas=reg?r.baseline_best:r.baseline_best_auroc;
     let vs="—";
-    if(L&&score!=null&&bas!=null){
+    if(ld&&score!=null&&bas!=null){
       const better=reg?score<bas:score>bas;
       const gap=reg?(bas-score):(score-bas);
       vs=`<span class="${better?"gain":"loss"}">${better?"▲":"▼"} ${Math.abs(gap).toFixed(3)}</span>`;
@@ -418,8 +418,8 @@ async function paintLeaders(){
       <td style="text-align:left"><a href="#/b/${encodeURIComponent(r.board)}">${esc(r.board)}</a>
         <span class="chip g" style="margin-left:6px">${r.split_grade}/${r.answer_grade}</span>
         <div class="sub2">${esc(L==="ko"?(r.blurb||""):(r.blurb_en||r.blurb||""))}</div></td>
-      <td style="text-align:left">${L?esc(L.method):`<span class="dim">${t.noLeader}</span>`}</td>
-      <td style="text-align:left">${L?hfUser(L.user):"—"}</td>
+      <td style="text-align:left">${ld?esc(ld.method):`<span class="dim">${t.noLeader}</span>`}</td>
+      <td style="text-align:left">${ld?hfUser(ld.user):"—"}</td>
       <td>${score!=null?f(score):"—"}</td>
       <td>${vs}</td>
       <td>${(r.n_test||0).toLocaleString()}</td></tr>`;}).join("");