style(malaysia): 랙 합계·∑ 천단위 콤마

- malaysia_rack.js: 행 소계/칸 합계 toLocaleString, 로드 시 기존 행도 recalc
- stocktake_detail/rack_view: 서버 렌더 합계도 {:,} 포맷

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/static/malaysia_rack.js

@@ -14,11 +14,15 @@
     return isNaN(v) || v < 0 ? 0 : v;
   }
 
+  function comma(n) {
+    return n.toLocaleString("en-US");
+  }
+
   function recalcRow(row) {
     var upb = num(row.querySelector(".rk-upb"));
     var box = num(row.querySelector(".rk-box"));
     var sub = row.querySelector(".rk-sub");
-    if (sub) sub.textContent = String(upb * box);
+    if (sub) sub.textContent = comma(upb * box);
   }
 
   function recalcCell(cell) {
@@ -27,7 +31,7 @@
       total += num(row.querySelector(".rk-upb")) * num(row.querySelector(".rk-box"));
     });
     var out = cell.querySelector(".rk-cell-total-v");
-    if (out) out.textContent = String(total);
+    if (out) out.textContent = comma(total);
   }
 
   function wireRow(row) {
@@ -63,7 +67,10 @@
   }
 
   document.addEventListener("DOMContentLoaded", function () {
-    document.querySelectorAll(".rack-cell .rk-row").forEach(wireRow);
+    document.querySelectorAll(".rack-cell .rk-row").forEach(function (row) {
+      wireRow(row);
+      recalcRow(row);
+    });
     document.querySelectorAll(".rack-cell").forEach(recalcCell);
     document.querySelectorAll(".rack-cell .rk-add").forEach(function (btn) {
       btn.addEventListener("click", function () {