feat(media): 微信消息媒体 OSS 归档与下载地址回写

- 新增 MediaArchiveJob、MediaOssArchiveService、WechatMediaArchiveService 与回填命令
- Message/DataProcessing 等支持归档调度与持久化下载 URL
- WebSocket 控制器整理；朋友圈与文档/定时任务说明更新

Made-with: Cursor

application/job/MediaArchiveJob.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace app\job;
+
+use app\common\service\WechatMediaArchiveService;
+use think\facade\Config;
+use think\facade\Log;
+use think\queue\Job;
+use think\Queue;
+
+class MediaArchiveJob
+{
+    const QUEUE_NAME = 'media_archive';
+
+    public function fire(Job $job, $data)
+    {
+        try {
+            $scope = $data['scope'] ?? '';
+            $id = (int)($data['id'] ?? 0);
+            if (empty($scope) || $id <= 0) {
+                $job->delete();
+                return;
+            }
+
+            $success = false;
+            if ($scope === 'message') {
+                $success = WechatMediaArchiveService::archiveMessageById($id);
+            } elseif ($scope === 'moment') {
+                $success = WechatMediaArchiveService::archiveMomentById($id);
+            }
+
+            if ($success || $job->attempts() >= 3) {
+                $job->delete();
+                return;
+            }
+
+            $job->release(Config::get('queue.failed_delay', 10));
+        } catch (\Exception $e) {
+            Log::error('媒体资源归档任务失败：' . $e->getMessage(), $data ?: []);
+            if ($job->attempts() >= 3) {
+                $job->delete();
+            } else {
+                $job->release(Config::get('queue.failed_delay', 10));
+            }
+        }
+    }
+
+    public static function dispatch($scope, $id, array $extra = [])
+    {
+        $payload = array_merge($extra, [
+            'scope' => $scope,
+            'id' => (int)$id,
+        ]);
+
+        return Queue::push(self::class, $payload, self::QUEUE_NAME);
+    }
+}