feat: AI CRM 어드민 대시보드 + 바텀시트 드래그 닫기 + UTF-8 인코딩 + 문서화

- /admin/ai-crm: AI 업셀링 추천 생성 현황 대시보드 (통계 카드 + 로그 테이블 + 아코디언 상세)
- 마이페이지 바텀시트: 터치 드래그로 닫기 기능 추가 (80px 임계값)
- Windows 콘솔 UTF-8 인코딩 강제 (app.py, clawdbot_client.py)
- admin.html 헤더에 AI CRM 네비 링크 추가
- docs: ai-upselling-crm.md, windows-utf8-encoding.md 추가

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

backend/app.py

@@ -3,13 +3,21 @@ Flask 웹 서버 - QR 마일리지 적립
 간편 적립: 전화번호 + 이름만 입력
 """
 
+import sys
+import os
+
+# Windows 콘솔 UTF-8 강제 (한글 깨짐 방지)
+if sys.platform == 'win32':
+    import io
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8')
+    os.environ.setdefault('PYTHONIOENCODING', 'utf-8')
+
 from flask import Flask, request, render_template, jsonify, redirect, url_for, session
 import hashlib
 import base64
 import secrets
 from datetime import datetime, timezone, timedelta
-import sys
-import os
 import logging
 from sqlalchemy import text
 from dotenv import load_dotenv
@@ -2060,6 +2068,56 @@ def admin_alimtalk():
     return render_template('admin_alimtalk.html', local_logs=local_logs, stats=stats)
 
 
+@app.route('/admin/ai-crm')
+def admin_ai_crm():
+    """AI 업셀링 CRM 대시보드"""
+    conn = db_manager.get_sqlite_connection()
+    cursor = conn.cursor()
+
+    # 추천 목록 (최근 50건) + 사용자 정보 JOIN
+    cursor.execute("""
+        SELECT r.*, u.nickname, u.phone as user_phone
+        FROM ai_recommendations r
+        LEFT JOIN users u ON r.user_id = u.id
+        ORDER BY r.created_at DESC
+        LIMIT 50
+    """)
+    recs = [dict(row) for row in cursor.fetchall()]
+
+    # trigger_products JSON 파싱
+    for rec in recs:
+        tp = rec.get('trigger_products')
+        if tp:
+            try:
+                rec['trigger_list'] = json.loads(tp)
+            except Exception:
+                rec['trigger_list'] = [tp]
+        else:
+            rec['trigger_list'] = []
+
+    # 통계
+    cursor.execute("""
+        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 = '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
+    """)
+    stats = dict(cursor.fetchone())
+
+    # 오늘 생성 건수
+    cursor.execute("""
+        SELECT COUNT(*) as today_count
+        FROM ai_recommendations
+        WHERE date(created_at) = date('now')
+    """)
+    stats['today_count'] = cursor.fetchone()['today_count']
+
+    now = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+    return render_template('admin_ai_crm.html', recs=recs, stats=stats, now=now)
+
+
 @app.route('/api/admin/alimtalk/nhn-history')
 def api_admin_alimtalk_nhn_history():
     """NHN Cloud 실제 발송 내역 API"""