修复客服嵌入问题并更新前端构建产物

- 管理端前端设备判定改为按宽高比（嵌入竖屏容器时正确使用手机版布局）
- 统计上报跨源读取 parent.location 报错防护（降级用 referrer）
- 续接会话时校验客服在线，离线不再误入聊天页
- 聊天记录整理与消息发送的用户资料缺失空值防护，避免接口 400
- entrypoint 数据库导入加空库守卫，容器重启/线上更新不再重置数据

docker/php/entrypoint.sh

@@ -40,9 +40,17 @@ done
 echo "   MySQL is ready!"
 
 echo "==> Importing database schema..."
-mysql -h "${DB_HOSTNAME:-mysql}" -u "${DB_USERNAME:-root}" -p"${DB_PASSWORD:-root}" --default-character-set=utf8mb4 "${DB_DATABASE:-crmeb_chat}" < /var/www/html/public/install/crmeb_clean.sql 2>/dev/null && \
-    echo "   Database schema imported." || \
-    echo "   Database may already be initialized (ignoring errors)."
+# 仅在空库（无任何业务表）时导入初始化 SQL，避免容器重启/线上更新代码时重置数据库。
+# 如需重置数据：docker compose down -v 清掉数据卷后重新启动即可触发导入。
+TABLE_COUNT=$(mysql -h "${DB_HOSTNAME:-mysql}" -u "${DB_USERNAME:-root}" -p"${DB_PASSWORD:-root}" -N -e "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema='${DB_DATABASE:-crmeb_chat}';" 2>/dev/null || echo 0)
+if [ "${TABLE_COUNT:-0}" != "0" ]; then
+    echo "   Database already initialized (found ${TABLE_COUNT} tables), skipping import to protect existing data."
+else
+    echo "   Empty database detected, importing crmeb_clean.sql..."
+    mysql -h "${DB_HOSTNAME:-mysql}" -u "${DB_USERNAME:-root}" -p"${DB_PASSWORD:-root}" --default-character-set=utf8mb4 "${DB_DATABASE:-crmeb_chat}" < /var/www/html/public/install/crmeb_clean.sql 2>/dev/null && \
+        echo "   Database schema imported." || \
+        echo "   Database import failed."
+fi
 
 echo "==> Skipping install wizard..."
 touch /var/www/html/public/install/install.lock