2 files changed, 20 insertions, 136 deletions

diff --git a/lib/dolce-v2/dialogs/add-and-modify-detail-drawing-dialog-v2.tsx b/lib/dolce-v2/dialogs/add-and-modify-detail-drawing-dialog-v2.tsx
index b8650b1a..7577d133 100644
--- a/lib/dolce-v2/dialogs/add-and-modify-detail-drawing-dialog-v2.tsx
+++ b/lib/dolce-v2/dialogs/add-and-modify-detail-drawing-dialog-v2.tsx
@@ -319,135 +319,8 @@ export function AddAndModifyDetailDrawingDialogV2({
   };
 
   const handleCancel = () => {
-    // 유효성 검사
-    if (!registerKind) {
-      toast.error(t("addDetailDialog.selectRegisterKindError"));
-      return;
-    }
-    
-    if (drawingUsage !== "CMT") {
-      if (!revision.trim()) {
-        toast.error(t("addDetailDialog.selectRevisionError"));
-        setRevisionError(t("addDetailDialog.revisionRequired"));
-        return;
-      }
-      
-      // Revision 형식 검증
-      const revisionValidationError = validateRevision(revision);
-      if (revisionValidationError) {
-        toast.error(revisionValidationError);
-        setRevisionError(revisionValidationError);
-        return;
-      }
-    }
-    
-    // Add 모드일 때만 파일 필수
-    if (mode === "add") {
-      if (!drawing) return;
-      if (!drawingUsage) {
-        toast.error(t("addDetailDialog.selectDrawingUsageError"));
-        return;
-      }
-      if (files.length === 0) {
-        toast.error(t("addDetailDialog.selectFilesError"));
-        return;
-      }
-    }
-
-    // Edit 모드일 때는 detailDrawing 필수
-    if (mode === "edit" && !detailDrawing) {
-      toast.error(t("editDetailDialog.editError"));
-      return;
-    }
-
-    try {
-      setIsSubmitting(true);
-
-      // FormData 구성
-      const formData = new FormData();
-      formData.append("userId", userId);
-      formData.append("userNm", userName);
-      formData.append("vendorCode", vendorCode);
-      formData.append("email", userEmail);
-
-      if (mode === "add" && drawing) {
-        const uploadId = uuidv4();
-        
-        const dwgList = [
-            {
-              Mode: "ADD",
-              Status: "Submitted",
-              RegisterId: 0,
-              ProjectNo: drawing.ProjectNo,
-              Discipline: drawing.Discipline,
-              DrawingKind: drawing.DrawingKind,
-              DrawingNo: drawing.DrawingNo,
-              DrawingName: drawing.DrawingName,
-              RegisterGroupId: drawing.RegisterGroupId,
-              RegisterSerialNo: 0,
-              RegisterKind: registerKind,
-              DrawingRevNo: drawingUsage === "CMT" ? null : revision,
-              Category: "TS",
-              Receiver: null,
-              Manager: "",
-              RegisterDesc: comment,
-              UploadId: uploadId,
-              RegCompanyCode: vendorCode,
-            },
-        ];
-        formData.append("dwgList", JSON.stringify(dwgList));
-        
-        // 파일 추가
-        formData.append("fileCount", String(files.length));
-        files.forEach((file, index) => {
-            formData.append(`file_${index}`, file);
-        });
-
-      } else if (mode === "edit" && detailDrawing) {
-         const dwgList = [
-            {
-              Mode: "MOD",
-              Status: detailDrawing.Status,
-              RegisterId: detailDrawing.RegisterId,
-              ProjectNo: detailDrawing.ProjectNo,
-              Discipline: detailDrawing.Discipline,
-              DrawingKind: detailDrawing.DrawingKind,
-              DrawingNo: detailDrawing.DrawingNo,
-              DrawingName: detailDrawing.DrawingName,
-              RegisterGroupId: detailDrawing.RegisterGroupId,
-              RegisterSerialNo: detailDrawing.RegisterSerialNo,
-              RegisterKind: registerKind,
-              DrawingRevNo: drawingUsage === "CMT" ? null : revision,
-              Category: detailDrawing.Category,
-              Receiver: detailDrawing.Receiver,
-              Manager: detailDrawing.Manager,
-              RegisterDesc: comment,
-              UploadId: detailDrawing.UploadId,
-              RegCompanyCode: detailDrawing.RegCompanyCode || vendorCode,
-            },
-        ];
-        formData.append("dwgList", JSON.stringify(dwgList));
-        formData.append("fileCount", "0"); // 수정 시에는 메타데이터만 수정 (파일 수정은 별도)
-      }
-
-      // Action 호출
-      const result = await editDetailDwgReceiptV2(formData);
-
-      if (result.success) {
-          toast.success(mode === "add" ? t("addDetailDialog.addSuccess") : t("editDetailDialog.editSuccess"));
-          resetForm();
-          onComplete();
-          onOpenChange(false);
-      } else {
-          throw new Error("Action failed");
-      }
-
-    } catch (error) {
-      console.error("상세도면 처리 실패:", error);
-      toast.error(mode === "add" ? t("addDetailDialog.addErrorMessage") : t("editDetailDialog.editErrorMessage"));
-    } finally {
-      setIsSubmitting(false);
-    }
+    resetForm();
+    onOpenChange(false);
   };
 
   // DrawingUsage가 변경되면 RegisterKind 초기화
diff --git a/lib/dolce-v2/sync-service.ts b/lib/dolce-v2/sync-service.ts
index ea56b239..7f866955 100644
--- a/lib/dolce-v2/sync-service.ts
+++ b/lib/dolce-v2/sync-service.ts
@@ -1,6 +1,9 @@
 "use server";
 
 import fs from "fs/promises";
+import { createReadStream, createWriteStream } from "fs";
+import { Readable } from "stream";
+import { pipeline } from "stream/promises";
 import path from "path";
 import { v4 as uuidv4 } from "uuid";
 import db from "@/db/db";
@@ -41,11 +44,15 @@ async function ensureUploadDir() {
 async function saveFileToLocal(file: File): Promise<SavedFile> {
   await ensureUploadDir();
   
-  const buffer = Buffer.from(await file.arrayBuffer());
   const uniqueName = `${uuidv4()}_${file.name}`;
   const localPath = path.join(LOCAL_UPLOAD_DIR, uniqueName);
   
-  await fs.writeFile(localPath, buffer);
+  // Stream: Web Stream (file.stream()) -> Node Writable Stream (fs.createWriteStream)
+  // Readable.fromWeb requires Node 18+
+  const readable = Readable.fromWeb(file.stream() as any);
+  const writable = createWriteStream(localPath);
+
+  await pipeline(readable, writable);
   
   return {
     originalName: file.name,
@@ -254,16 +261,20 @@ async function uploadLocalFiles(uploadId: string, userId: string, files: SavedFi
     const file = files[i];
     const fileId = uuidv4();
     
-    // 로컬 파일 읽기
-    const fileBuffer = await fs.readFile(file.localPath);
+    // 로컬 파일 읽기 (Stream)
+    const fileStream = createReadStream(file.localPath);
     
     // 업로드 API 호출
     const uploadUrl = `${DOLCE_API_URL}/PWPUploadService.ashx?UploadId=${uploadId}&FileId=${fileId}`;
     const uploadResponse = await fetch(uploadUrl, {
         method: "POST",
-        headers: { "Content-Type": "application/octet-stream" },
-        body: fileBuffer,
-    });
+        headers: { 
+            "Content-Type": "application/octet-stream",
+            "Content-Length": file.size.toString()
+        },
+        body: fileStream as any, // Node stream as body
+        duplex: "half", // Required for Node streams
+    } as RequestInit & { duplex?: string });
 
     if (!uploadResponse.ok) throw new Error(`File upload failed: ${uploadResponse.status}`);