feat(returns): v8.59 반품 입고 중복 경고 및 송장 공백 매칭 개선

- 반품 입고 시 이미 등록된 송장번호면 중복 경고 안내창 표시
- 송장번호 입력값 strip 및 조회 쿼리 TRIM 적용으로 공백 매칭 문제 해결

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

routers/returns.py

@@ -90,6 +90,7 @@ async def return_lookup(tracking_no: str):
 @router.post("/request")
 async def create_return_request(req: ReturnRequest):
     try:
+        req.tracking_no = req.tracking_no.strip()
         conn = get_return_db_conn()
         cur = conn.cursor()
         if req.id:
@@ -117,7 +118,7 @@ async def get_return_requests(tracking_no: Optional[str] = None):
         conn = get_return_db_conn()
         cur = conn.cursor()
         if tracking_no:
-            cur.execute("SELECT * FROM return_requests WHERE tracking_no = %s ORDER BY created_at DESC LIMIT 1", (tracking_no,))
+            cur.execute("SELECT * FROM return_requests WHERE TRIM(tracking_no) = %s ORDER BY created_at DESC LIMIT 1", (tracking_no.strip(),))
         else:
             cur.execute("SELECT * FROM return_requests ORDER BY id DESC LIMIT 50")
         rows = cur.fetchall()
@@ -151,7 +152,7 @@ async def create_return_receive_bulk(req: BulkReturnReceive):
             address = ""
             
             # 1. Check return_requests
-            cur_return.execute("SELECT mall, receiver_name, phone, address, request_type, remarks FROM return_requests WHERE tracking_no = %s", (tracking_no,))
+            cur_return.execute("SELECT mall, receiver_name, phone, address, request_type, remarks FROM return_requests WHERE TRIM(tracking_no) = %s", (tracking_no,))
             req_row = cur_return.fetchone()
             if req_row:
                 mall = req_row['mall'] or ""
@@ -203,11 +204,35 @@ async def create_return_receive_bulk(req: BulkReturnReceive):
 @router.post("/receive")
 async def create_return_receive(req: ReturnReceive):
     try:
+        req.tracking_no = req.tracking_no.strip()
         conn = get_return_db_conn()
         cur = conn.cursor()
-        
+
+        # 중복 송장 검사
+        if req.id:
+            cur.execute("""
+                SELECT receive_date, receiver_name, phone, mall, receive_status, remarks
+                FROM return_receivings
+                WHERE TRIM(tracking_no) = %s AND id != %s
+            """, (req.tracking_no, req.id))
+        else:
+            cur.execute("""
+                SELECT receive_date, receiver_name, phone, mall, receive_status, remarks
+                FROM return_receivings
+                WHERE TRIM(tracking_no) = %s
+            """, (req.tracking_no,))
+
+        dup = cur.fetchone()
+        if dup:
+            conn.close()
+            return {
+                "success": False,
+                "error_type": "duplicate",
+                "data": dict(dup)
+            }
+
         if not req.id:
-            cur.execute("SELECT request_type, remarks FROM return_requests WHERE tracking_no = %s", (req.tracking_no,))
+            cur.execute("SELECT request_type, remarks FROM return_requests WHERE TRIM(tracking_no) = %s", (req.tracking_no,))
             req_row = cur.fetchone()
             if not req_row:
                 if req.remarks:

static/js/app.js

@@ -1673,7 +1673,7 @@ document.addEventListener('DOMContentLoaded', () => {
             e.preventDefault();
             const payload = {
                 receive_date: document.getElementById('rec-date').value,
-                tracking_no: document.getElementById('rec-tracking-no').value,
+                tracking_no: document.getElementById('rec-tracking-no').value.trim(),
                 mall: document.getElementById('rec-mall').value,
                 receiver_name: document.getElementById('rec-name').value,
                 phone: document.getElementById('rec-phone').value,
@@ -1691,7 +1691,12 @@ document.addEventListener('DOMContentLoaded', () => {
                     headers: {'Content-Type': 'application/json'},
                     body: JSON.stringify(payload)
                 });
-                if(res.ok) {
+                let result = {};
+                try {
+                    result = await res.json();
+                } catch(err) {}
+
+                if(res.ok && result.success !== false) {
                     formRec.reset();
                     document.getElementById('rec-date').value = new Date(new Date().getTime() - new Date().getTimezoneOffset() * 60000).toISOString().split('T')[0];
                     if(recId) recId.value = '';
@@ -1701,6 +1706,17 @@ document.addEventListener('DOMContentLoaded', () => {
                     if (typeof loadReturnRequests === 'function') {
                         loadReturnRequests();
                     }
+                } else if (result.error_type === 'duplicate') {
+                    const dup = result.data || {};
+                    alert(
+                        `🚨 [안내] 이미 입고된 송장번호입니다.\n\n` +
+                        `• 입고날짜: ${dup.receive_date || ''}\n` +
+                        `• 이름: ${dup.receiver_name || ''}\n` +
+                        `• 핸드폰 번호: ${dup.phone || ''}\n` +
+                        `• 쇼핑몰: ${dup.mall || ''}\n` +
+                        `• 입고상태: ${dup.receive_status || ''}\n` +
+                        `• 비고: ${dup.remarks || ''}`
+                    );
                 } else {
                     alert('등록 실패');
                 }

templates/index.html

@@ -46,10 +46,10 @@
                 <h1>No.1 King</h1>
                 <p>CS 통합 관리</p>
                 <div id="app-version-text" style="color: #a0aec0; font-size: 0.95rem; margin-top: 4px; font-weight: normal;">
-                    Ver 8.58
+                    Ver 8.59
                 </div>
                 <div style="color: #a0aec0; font-size: 0.75rem; margin-top: 4px; font-weight: normal;">
-                    (2026.06.01)
+                    (2026.06.15)
                 </div>
             </div>
             <ul class="nav-links">

version_history.json

@@ -1,4 +1,17 @@
 [
+    {
+        "version": "v8.59",
+        "date": "2026.06.15",
+        "sections": [
+            {
+                "items": [
+                    "반품 입고 시 이미 등록된 송장번호 입력 시 중복 입고 경고 안내창을 표시하도록 기능 추가",
+                    "송장번호 입력값 및 데이터베이스 조회 쿼리에 공백 제거(TRIM/strip) 처리를 적용하여 공백 포함 데이터 매칭 문제 개선"
+                ],
+                "type": "modified"
+            }
+        ]
+    },
     {
         "version": "v8.58",
         "date": "2026.06.01",