同步失败原因，最近同步成功的时间记录

patches/application/common/service/SplitTicketSyncLogger.php

@@ -7,7 +7,9 @@ namespace app\common\service;
 use think\Config;
 
 /**
- * 工单云控同步调试日志（仅 app_debug=true 时写入 runtime/log/split_sync.log）
+ * 工单云控同步日志
+ * - logCron：定时任务汇总，app_debug 关闭时也写入 runtime/log/split_sync.log
+ * - log：详细调试日志，仅 app_debug=true 时写入
  */
 class SplitTicketSyncLogger
 {
@@ -36,6 +38,18 @@ class SplitTicketSyncLogger
     }
 
     /**
+     * 定时任务汇总日志（始终写入）
+     *
+     * @param array<string, mixed> $context
+     */
+    public static function logCron(string $message, array $context = []): void
+    {
+        self::writeLine('cron', $message, $context);
+    }
+
+    /**
+     * 详细调试日志（仅 app_debug=true）
+     *
      * @param array<string, mixed> $context
      */
     public static function log(string $stage, string $message, array $context = []): void
@@ -43,7 +57,14 @@ class SplitTicketSyncLogger
         if (!self::isEnabled()) {
             return;
         }
+        self::writeLine($stage, $message, $context);
+    }
 
+    /**
+     * @param array<string, mixed> $context
+     */
+    private static function writeLine(string $stage, string $message, array $context = []): void
+    {
         $context = self::sanitize($context);
         $ctxJson = $context !== [] ? ' ' . json_encode($context, JSON_UNESCAPED_UNICODE) : '';
         $line = sprintf(
@@ -83,8 +104,8 @@ class SplitTicketSyncLogger
                 $out[$key] = self::sanitize($value);
                 continue;
             }
-            if (is_string($value) && mb_strlen($value) > 800) {
-                $out[$key] = mb_substr($value, 0, 800, 'UTF-8') . '...(truncated)';
+            if (is_string($value) && mb_strlen($value) > 2000) {
+                $out[$key] = mb_substr($value, 0, 2000, 'UTF-8') . '...(truncated)';
                 continue;
             }
             $out[$key] = $value;