feat(malaysia): 입출고 일자별 낱개 수량 엑셀 다운로드

- '일괄 적용' 버튼명 '입력'으로 변경
- 입력 버튼 우측 '다운로드' 버튼 추가
- GET /malaysia/movements/export: 해당 일자/종류(IN/OUT) 낱개 합계를
  엑셀(A=사방넷코드, B=수량, C=이름)로 스트리밍
- db.daily_movement_totals(): 일자/종류별 낱개 합계 집계
- itemcode.sabangnet_code_map(): item_code → 사방넷 코드 매핑
- i18n 사전 '입력'/'다운로드' 추가, malaysia.js 캐시 버전 bump

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

app/modules/malaysia/db.py

@@ -304,6 +304,31 @@ class MalaysiaStockStore:
             ).fetchall()
         return [self._serialize(r) for r in rows]
 
+    def daily_movement_totals(
+        self, *, warehouse_code: str, movement_date: str, movement_type: str
+    ) -> dict[str, int]:
+        """특정 일자/종류의 낱개 아이템별 합계 수량.
+
+        세트 OUT 은 생성 시 이미 구성품 OUT 으로 분해 저장되므로 그대로 합산된다.
+        반환: { item_code: 합계수량 }
+        """
+        if movement_type not in store.MOVEMENT_TYPES:
+            raise ValueError(f"허용되지 않는 이동 종류: {movement_type}")
+        with self._pool.connection() as conn:
+            rows = conn.execute(
+                """
+                SELECT item_code, SUM(qty) AS qty
+                FROM stock_movement
+                WHERE warehouse_code = %s
+                  AND movement_date = %s
+                  AND movement_type = %s
+                GROUP BY item_code
+                ORDER BY item_code
+                """,
+                (warehouse_code, movement_date, movement_type),
+            ).fetchall()
+        return {r["item_code"]: int(r["qty"] or 0) for r in rows}
+
     def current_stock(self, *, warehouse_code: str) -> dict[str, int]:
         """창고별 현재고(낱개 아이템 기준).
 

app/modules/malaysia/itemcode.py

@@ -115,6 +115,25 @@ class MalaysiaItemcodeReader:
             for r in rows
         }
 
+    def sabangnet_code_map(self) -> dict[str, str]:
+        """낱개+세트 item_code → 사방넷 코드(itemcode_db). 엑셀 내보내기용."""
+        if not self.enabled or not self._pool:
+            return {}
+        try:
+            with self._pool.connection() as conn:
+                rows = conn.execute(
+                    "SELECT item_code, sabangnet_code FROM single_items "
+                    "UNION ALL SELECT item_code, sabangnet_code FROM set_items"
+                ).fetchall()
+            self.last_error = ""
+        except Exception as exc:  # noqa: BLE001
+            self.last_error = f"{type(exc).__name__}: {exc}"
+            return {}
+        return {
+            str(r["item_code"]).strip().upper(): str(r.get("sabangnet_code") or "").strip()
+            for r in rows
+        }
+
     def close(self) -> None:
         if self._pool is not None:
             self._pool.close()

app/modules/malaysia/router.py

@@ -14,7 +14,7 @@ from __future__ import annotations
 from typing import Any
 
 from fastapi import APIRouter, Body, Depends, Form, HTTPException, Request
-from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse
+from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse, StreamingResponse
 
 from app.timezone import today_kst
 
@@ -292,6 +292,60 @@ async def movements_apply(request: Request, user: dict[str, Any] = Depends(_requ
     return RedirectResponse(url=f"/malaysia/movements?wh={wh}&type={mtype}", status_code=303)
 
 
+@router.get("/movements/export")
+async def movements_export(request: Request) -> StreamingResponse:
+    """해당 일자/종류(IN/OUT)에 입출고된 낱개 수량을 엑셀로 내보낸다.
+
+    컬럼: A=사방넷 코드, B=수량, C=이름.
+    세트 OUT 은 생성 시 구성품 OUT 으로 분해 저장되므로 낱개 기준으로 합산된다.
+    """
+    import io  # noqa: WPS433
+
+    guard = _guard(request)
+    if not isinstance(guard, tuple):
+        return guard  # type: ignore[return-value]
+    st, _user = guard
+    wh = _selected_wh(request, st)
+    mtype = (request.query_params.get("type") or "OUT").strip().upper()
+    if mtype not in ("IN", "OUT"):
+        raise HTTPException(status_code=400, detail="type 은 IN 또는 OUT 이어야 합니다.")
+    mdate = (request.query_params.get("date") or today_kst().isoformat()).strip()
+
+    totals = st.daily_movement_totals(
+        warehouse_code=wh, movement_date=mdate, movement_type=mtype
+    )
+    reader = _reader(request)
+    sabang = reader.sabangnet_code_map() if reader else {}
+    names = reader.name_map() if reader else {}
+    item_names = st.item_name_map()
+
+    from openpyxl import Workbook  # noqa: WPS433
+
+    wb = Workbook()
+    ws = wb.active
+    ws.title = f"{mtype}_{mdate}"
+    ws.append(["사방넷코드", "수량", "이름"])
+    for code in sorted(totals.keys()):
+        qty = totals[code]
+        if qty == 0:
+            continue
+        ws.append([
+            sabang.get(code, ""),
+            int(qty),
+            names.get(code) or item_names.get(code) or code,
+        ])
+
+    buf = io.BytesIO()
+    wb.save(buf)
+    buf.seek(0)
+    fname = f"malaysia_{mtype}_{mdate}.xlsx"
+    return StreamingResponse(
+        buf,
+        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+        headers={"Content-Disposition": f'attachment; filename="{fname}"'},
+    )
+
+
 # ════════════════════════════════════════════════════════════
 # 일일 재고조사
 # ════════════════════════════════════════════════════════════

app/modules/malaysia/templates/malaysia/_i18n.html

@@ -2,4 +2,4 @@
 <div style="display:flex;justify-content:flex-end;margin-bottom:8px;">
   <button type="button" id="mys-lang-toggle" class="erp-btn erp-btn-outline">ENG</button>
 </div>
-<script src="/static/malaysia.js?v=20260611"></script>
+<script src="/static/malaysia.js?v=20260612"></script>

app/modules/malaysia/templates/malaysia/movements.html

@@ -42,8 +42,9 @@
           <label class="erp-field"><span>메모</span>
             <input class="erp-input" type="text" name="memo" /></label>
         </div>
-        <div class="erp-page-actions" style="margin-top:12px;">
+        <div class="erp-page-actions" style="margin-top:12px;display:flex;gap:8px;">
-          <button type="submit" class="erp-btn erp-btn-primary">일괄 적용</button>
+          <button type="submit" class="erp-btn erp-btn-primary">입력</button>
+          <button type="button" class="erp-btn erp-btn-outline" onclick="mysDownloadMovements(this)">다운로드</button>
         </div>
       </div>
 
@@ -87,6 +88,24 @@
     </div>
   </form>
 
+  <script>
+    function mysDownloadMovements(btn) {
+      var form = btn.closest('form');
+      var type = form.querySelector('[name=movement_type]').value;
+      var date = form.querySelector('[name=movement_date]').value;
+      var wh = form.querySelector('[name=warehouse_code]').value;
+      if (type !== 'IN' && type !== 'OUT') {
+        alert('다운로드는 IN(입고) 또는 OUT(출고)만 가능합니다.');
+        return;
+      }
+      if (!date) { alert('날짜를 선택하세요.'); return; }
+      var url = '/malaysia/movements/export?wh=' + encodeURIComponent(wh)
+        + '&type=' + encodeURIComponent(type)
+        + '&date=' + encodeURIComponent(date);
+      window.location.href = url;
+    }
+  </script>
+
   <!-- 이동 이력 -->
   <div class="erp-card" style="margin-top:16px;">
     <div class="cpg-card-head" style="display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;">

app/static/malaysia.js

@@ -38,7 +38,8 @@
     "IN (입고)": "IN (In)",
     "OUT (출고)": "OUT (Out)",
     "ADJUST (조정 ±)": "ADJUST (±)",
-    "일괄 적용": "Apply All",
+    "입력": "Input",
+    "다운로드": "Download",
     "낱개 상품": "Single Products",
     "콤보 상품": "Combo Products",
     "이동 이력": "Movement History",