完善expert领域

application/common/UserFieldAiService.php

@@ -102,6 +102,7 @@ class UserFieldAiService
                 throw new Exception('LLM returned empty field');
             }
             $this->updateFieldAi($userId, $fieldAi, self::STATUS_DONE, '');
+            $this->syncLinkedExperts($userId);
             return ['ok' => true, 'field_ai' => $fieldAi];
         } catch (\Throwable $e) {
             $this->updateFieldAi($userId, '', self::STATUS_FAILED, mb_substr($e->getMessage(), 0, 500));
@@ -460,4 +461,17 @@ class UserFieldAiService
         $line = date('Y-m-d H:i:s') . ' ' . $msg . PHP_EOL;
         @file_put_contents($this->logFile, $line, FILE_APPEND);
     }
+
+    /**
+     * user.field_ai 更新后，同步到同邮箱 expert（方案 C 关联）。
+     */
+    private function syncLinkedExperts($userId)
+    {
+        try {
+            $svc = new ExpertFieldAiService();
+            $svc->syncExpertsByUserId(intval($userId), true);
+        } catch (\Throwable $e) {
+            $this->log('[FieldAi] sync expert fail user_id=' . $userId . ' ' . $e->getMessage());
+        }
+    }
 }