debug: add temp logging to trace template_snapshot rebuild

shopxo/app/plugins/vr_ticket/hook/AdminGoodsSaveHandle.php

@@ -60,6 +60,10 @@ class AdminGoodsSaveHandle
                 // 直接从数据库读 vr_goods_config（避免 $params['data'] 值拷贝的引用链问题）
                 $goodsRow  = Db::name('Goods')->field('vr_goods_config')->find($goodsId);
                 $rawConfig = $goodsRow['vr_goods_config'] ?? '';
+
+                // DEBUG: 记录关键值
+                $debugPath = defined('RUNTIME_PATH') ? RUNTIME_PATH . 'vr_debug.log' : '/tmp/vr_debug.log';
+                $debugInfo = ["[" . date('H:i:s') . "] goodsId=$goodsId, rawConfig_len=" . strlen($rawConfig) . ", rawConfig_preview=" . substr($rawConfig, 0, 200)];
                 if (!empty($rawConfig)) {
                     $configs = json_decode($rawConfig, true);
                     if (json_last_error() !== JSON_ERROR_NONE) {
@@ -76,11 +80,10 @@ class AdminGoodsSaveHandle
                                 // 条件：snapshot 为空，或者前端有 selected_rooms
                                 if ($templateId > 0 && (!empty($selectedRooms) || empty($config['template_snapshot']) || empty($config['template_snapshot']['rooms']))) {
                                     $template = Db::name('vr_seat_templates')->find($templateId);
-                                    if (empty($template)) {
-                                        continue;
-                                    }
                                     $seatMap  = json_decode($template['seat_map'] ?? '{}', true);
                                     $allRooms = $seatMap['rooms'] ?? [];
+                                    // DEBUG
+                                    $debugInfo[] = "templateId=$templateId, selectedRooms=" . json_encode($selectedRooms) . ", template_found=" . ($template ? 'YES' : 'NO') . ", seatMap_keys=" . (is_array($seatMap) ? implode(',', array_keys($seatMap)) : 'NOT_ARRAY') . ", allRooms_count=" . count($allRooms) . ", allRooms_ids=" . json_encode(array_column($allRooms, 'id'));
 
                                     // ── v1→v3 兼容迁移 ──
                                     // v1 旧格式没有 rooms 嵌套，只有 sections+map 扁平结构
@@ -124,6 +127,9 @@ class AdminGoodsSaveHandle
                             }
                             unset($config);  // 解除引用，避免后续误改
 
+                            // 写入调试日志
+                            @file_put_contents($debugPath, implode("\n", $debugInfo) . "\n", FILE_APPEND);
+
                             // 将填充后的完整 config 写回 goods 表
                             Db::name('Goods')->where('id', $goodsId)->update([
                                 'vr_goods_config' => json_encode($configs, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),