feat: 대시보드 모달에 관심상품 탭 추가

- /admin/user/<id> API에 interests 필드 추가
- ai_recommendations 테이블에서 status='interested' 조회
- 모달에 💝 관심 탭 추가
- 트리거 상품, 추천 이유 표시

backend/app.py

@@ -1448,7 +1448,27 @@ def admin_user_detail(user_id):
             except Exception as rx_error:
                 logging.warning(f"조제 이력 조회 실패 (user {user_id}): {rx_error}")
 
-        # 7. 응답 생성
+        # 7. 관심상품 조회 (AI 추천에서 '관심있어요' 누른 상품)
+        interests = []
+        try:
+            cursor.execute("""
+                SELECT recommended_product, recommendation_reason, trigger_products, created_at
+                FROM ai_recommendations
+                WHERE user_id = ? AND status = 'interested'
+                ORDER BY created_at DESC
+                LIMIT 20
+            """, (user_id,))
+            for row in cursor.fetchall():
+                interests.append({
+                    'product': row['recommended_product'],
+                    'reason': row['recommendation_reason'],
+                    'trigger_products': row['trigger_products'],
+                    'created_at': utc_to_kst_str(row['created_at'])
+                })
+        except Exception as interest_error:
+            logging.warning(f"관심상품 조회 실패 (user {user_id}): {interest_error}")
+
+        # 8. 응답 생성
         return jsonify({
             'success': True,
             'user': {
@@ -1472,7 +1492,8 @@ def admin_user_detail(user_id):
             ],
             'purchases': purchases,
             'prescriptions': prescriptions,
-            'pos_customer': pos_customer
+            'pos_customer': pos_customer,
+            'interests': interests
         })
 
     except Exception as e:

backend/templates/admin.html

@@ -904,6 +904,9 @@
                     <button onclick="switchTab('prescriptions')" id="tab-prescriptions" class="tab-btn" style="padding: 12px 20px; border: none; background: none; font-size: 15px; font-weight: 600; cursor: pointer; border-bottom: 3px solid transparent; color: #868e96;">
                         💊 조제 (${data.prescriptions ? data.prescriptions.length : 0})
                     </button>
+                    <button onclick="switchTab('interests')" id="tab-interests" class="tab-btn" style="padding: 12px 20px; border: none; background: none; font-size: 15px; font-weight: 600; cursor: pointer; border-bottom: 3px solid transparent; color: #868e96;">
+                        💝 관심 (${data.interests ? data.interests.length : 0})
+                    </button>
                 </div>
 
                 <!-- 정렬 버튼 (구매 이력용) -->
@@ -1009,6 +1012,46 @@
                 html += '<p style="text-align: center; padding: 40px; color: #868e96;">📭 조제 이력이 없습니다</p>';
             }
 
+            html += `
+                </div>
+
+                <!-- 관심상품 탭 -->
+                <div id="tab-content-interests" class="tab-content" style="display: none;">
+            `;
+
+            // 관심상품 렌더링
+            const interests = data.interests || [];
+            if (interests.length > 0) {
+                interests.forEach(item => {
+                    // 날짜 포맷
+                    const date = item.created_at || '';
+                    
+                    // 트리거 상품 파싱
+                    let triggerText = '';
+                    try {
+                        const triggers = JSON.parse(item.trigger_products || '[]');
+                        if (triggers.length > 0) {
+                            triggerText = triggers.join(', ');
+                        }
+                    } catch(e) {}
+
+                    html += `
+                        <div style="border: 1px solid #e9ecef; border-radius: 12px; margin-bottom: 12px; padding: 16px; border-left: 4px solid #ec4899;">
+                            <div style="display: flex; justify-content: space-between; margin-bottom: 8px;">
+                                <span style="font-size: 15px; font-weight: 700; color: #ec4899;">💝 ${item.product}</span>
+                                <span style="font-size: 12px; color: #868e96;">${date}</span>
+                            </div>
+                            <div style="font-size: 13px; color: #64748b; margin-bottom: 8px;">
+                                ${item.reason || ''}
+                            </div>
+                            ${triggerText ? `<div style="font-size: 12px; color: #94a3b8; background: #f8f9fa; padding: 8px 12px; border-radius: 6px;">🛒 구매: ${triggerText}</div>` : ''}
+                        </div>
+                    `;
+                });
+            } else {
+                html += '<p style="text-align: center; padding: 40px; color: #868e96;">💝 관심 상품이 없습니다<br><small>마일리지 적립 시 AI 추천에서 "관심있어요"를 누르면 여기에 표시됩니다</small></p>';
+            }
+
             html += `
                 </div>
             `;