From 6dcace3135ce5c56b8884b08c5eb3d9358e8bd4e Mon Sep 17 00:00:00 2001
From: SeongHyun Kim <kksh7842@gmail.com>
Date: Wed, 17 Dec 2025 17:04:45 +0900
Subject: [PATCH] =?UTF-8?q?fix(RepeaterTable):=20=EC=88=AB=EC=9E=90=20?=
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- 정수/소수점 자동 구분 처리
- 천 단위 구분자(toLocaleString) 적용
- null/undefined/NaN 예외 처리 추가
---
 .../modal-repeater-table/RepeaterTable.tsx    | 32 ++++++++++++++++---
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/frontend/lib/registry/components/modal-repeater-table/RepeaterTable.tsx b/frontend/lib/registry/components/modal-repeater-table/RepeaterTable.tsx
index 4d6c9086..9604e7d2 100644
--- a/frontend/lib/registry/components/modal-repeater-table/RepeaterTable.tsx
+++ b/frontend/lib/registry/components/modal-repeater-table/RepeaterTable.tsx
@@ -347,12 +347,23 @@ export function RepeaterTable({
 
     // 계산 필드는 편집 불가
     if (column.calculated || !column.editable) {
+      // 숫자 포맷팅 함수: 정수/소수점 자동 구분
+      const formatNumber = (val: any): string => {
+        if (val === undefined || val === null || val === "") return "0";
+        const num = typeof val === "number" ? val : parseFloat(val);
+        if (isNaN(num)) return "0";
+        // 정수면 소수점 없이, 소수면 소수점 유지
+        if (Number.isInteger(num)) {
+          return num.toLocaleString("ko-KR");
+        } else {
+          return num.toLocaleString("ko-KR");
+        }
+      };
+      
       return (
         <div className="px-2 py-1">
           {column.type === "number"
-            ? typeof value === "number"
-              ? value.toLocaleString()
-              : value || "0"
+            ? formatNumber(value)
             : value || "-"}
         </div>
       );
@@ -361,10 +372,23 @@ export function RepeaterTable({
     // 편집 가능한 필드
     switch (column.type) {
       case "number":
+        // 숫자 표시: 정수/소수점 자동 구분
+        const displayValue = (() => {
+          if (value === undefined || value === null || value === "") return "";
+          const num = typeof value === "number" ? value : parseFloat(value);
+          if (isNaN(num)) return "";
+          // 정수면 소수점 없이, 소수면 소수점 유지
+          if (Number.isInteger(num)) {
+            return num.toString();
+          } else {
+            return num.toString();
+          }
+        })();
+        
         return (
           <Input
             type="number"
-            value={value || ""}
+            value={displayValue}
             onChange={(e) =>
               handleCellEdit(rowIndex, column.field, parseFloat(e.target.value) || 0)
             }