0) {
$sessStmt = $pdo->prepare('SELECT kefu_id FROM chat_sessions WHERE id = ? LIMIT 1');
$sessStmt->execute([$sid]);
$sRow = $sessStmt->fetch();
if ($sRow && !empty($sRow['kefu_id'])) {
$kefu_id = $sRow['kefu_id'];
}
}
$kstmt = $pdo->prepare('SELECT kefu_id, name, avatar, display_name, description FROM kefu WHERE kefu_id = ? AND status = 1 LIMIT 1');
$kstmt->execute([$kefu_id]);
$kefuInfo = $kstmt->fetch();
if (!$kefuInfo) {
// 自动配对第一条可用客服
$firstStmt = $pdo->query('SELECT kefu_id, name, avatar, display_name, description FROM kefu WHERE status = 1 ORDER BY sort_order ASC, id ASC LIMIT 1');
$kefuInfo = $firstStmt ? $firstStmt->fetch() : null;
if ($kefuInfo) {
$kefu_id = $kefuInfo['kefu_id'];
}
}
if ($kefuInfo) {
$kefu_name = $kefuInfo['display_name'] ?: $kefuInfo['name'];
if (!empty($kefuInfo['avatar'])) {
$kefu_avatar = $kefuInfo['avatar'];
}
}
} catch (Throwable $e) {}
// 当前登录用户（用于自己消息上方显示昵称与编号）
$__u = current_user();
$myDisplayName = trim((string)($__u['user_name'] ?? ''));
if ($myDisplayName === '') { $myDisplayName = '用户' . (int)($__u['id'] ?? 0); }
$myUserNo = 'PZ' . str_pad((string)(int)($__u['id'] ?? 0), 6, '0', STR_PAD_LEFT);
$myAvatar = !empty($__u['avatar']) ? $__u['avatar'] : '/static/uploads/avatars/panda_1.jpg';
?>
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