feat: 바텀시트 '관심있어요' 버튼 분리 — interested 상태 DB 저장 + 어드민 표시

- "관심있어요!" 클릭 → status='interested' (기존: dismissed와 동일했음)
- "다음에요" / 드래그 닫기 → status='dismissed'
- dismiss API에 action 파라미터 추가
- AI CRM 대시보드: interested 배지(주황) + 통계 카드 반영

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app.py

@@ -2012,15 +2012,21 @@ def api_get_recommendation(user_id):
 
 @app.route('/api/recommendation/<int:rec_id>/dismiss', methods=['POST'])
 def api_dismiss_recommendation(rec_id):
-    """추천 닫기"""
+    """추천 닫기 / 관심 표시"""
+    data = request.get_json(silent=True) or {}
+    action = data.get('action', 'dismissed')
+    if action not in ('dismissed', 'interested'):
+        action = 'dismissed'
+
     conn = db_manager.get_sqlite_connection()
     cursor = conn.cursor()
     now = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     cursor.execute("""
-        UPDATE ai_recommendations SET status = 'dismissed', dismissed_at = ?
+        UPDATE ai_recommendations SET status = ?, dismissed_at = ?
         WHERE id = ?
-    """, (now, rec_id))
+    """, (action, now, rec_id))
     conn.commit()
+    logging.info(f"[AI추천] id={rec_id} → {action}")
     return jsonify({'success': True})
 
 
@@ -2100,6 +2106,7 @@ def admin_ai_crm():
         SELECT
             COUNT(*) as total,
             SUM(CASE WHEN status = 'active' AND (expires_at IS NULL OR expires_at > datetime('now')) THEN 1 ELSE 0 END) as active_count,
+            SUM(CASE WHEN status = 'interested' THEN 1 ELSE 0 END) as interested_count,
             SUM(CASE WHEN status = 'dismissed' THEN 1 ELSE 0 END) as dismissed_count,
             SUM(CASE WHEN displayed_count > 0 THEN 1 ELSE 0 END) as displayed_count
         FROM ai_recommendations