更新

server/app/adminapi/controller/tcm/DiagnosisController.php

@@ -466,8 +466,7 @@ class DiagnosisController extends BaseAdminController
     }
 
     /**
-     * @notes 触发后台异步同步当前诊单的腾讯云 IM 聊天记录到本地归档表
-     * 请求即返回，真正的同步逻辑在 fastcgi_finish_request 之后执行
+     * @notes 同步一页 IM 历史并返回真实进度；客户端持 token 续拉，归档后即可展示。
      */
     public function triggerImChatSync()
     {
@@ -486,20 +485,18 @@ class DiagnosisController extends BaseAdminController
             return $this->fail(DiagnosisLogic::getError() ?: '诊单不存在或无权访问');
         }
 
-        register_shutdown_function(function () use ($diagnosisId) {
-            try {
-                @set_time_limit(300);
-                ignore_user_abort(true);
-                DiagnosisLogic::syncImChatArchiveForDiagnosis($diagnosisId);
-            } catch (\Throwable $e) {
-                \think\facade\Log::warning('triggerImChatSync failed', [
-                    'diagnosis_id' => $diagnosisId,
-                    'err' => $e->getMessage(),
-                ]);
-            }
-        });
-
-        return $this->success('已发起后台同步，几秒后请重新加载查看', ['queued' => true]);
+        try {
+            @set_time_limit(30);
+            $result = DiagnosisLogic::syncImChatArchiveStep(
+                $diagnosisId,
+                (int)$this->adminId,
+                (string)$this->request->post('sync_token', ''),
+                (string)$this->request->post('scope', '') === 'current'
+            );
+            return $this->data($result);
+        } catch (\Throwable $e) {
+            return $this->fail('聊天记录同步失败：' . $e->getMessage());
+        }
     }
 
     /**