feat: add reviewed follow-up audio patient enrichment

server/app/common/service/followupaudio/FollowupAudioException.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\service\followupaudio;
+
+/** Only stable public codes/messages. Never propagate a response body, URL, key or clinical text. */
+final class FollowupAudioException extends \RuntimeException
+{
+    public string $errorCode;
+    public bool $uncertain;
+
+    public function __construct(string $errorCode, bool $uncertain = false)
+    {
+        $this->errorCode = $errorCode;
+        $this->uncertain = $uncertain;
+        $messages = [
+            'CONFIG_MISSING' => '当前 Dify 应用凭据未配置，音频能力尚未验证',
+            'FEATURE_DISABLED' => '随访音频功能未启用',
+            'AUDIO_NOT_VERIFIED' => '当前应用尚未通过音频能力验证',
+            'AUDIO_NOT_PROCESSED' => '上游未确认读取原始音频，未生成可采用结果',
+            'UPSTREAM_UNCERTAIN' => '上游结果未知，请先核对任务或计费，禁止重复提交',
+            'RECONCILIATION_REQUIRED' => '任务已有上游请求，须先人工核对，禁止重复提交',
+            'UPSTREAM_SCHEMA_INVALID' => '上游未返回完整、可核验的结构化音频事实',
+            'UPSTREAM_AUDIO_REJECTED' => '当前 Dify 应用拒绝音频附件，未降级为纯文本',
+            'LEASE_LOST' => '任务租约或访问权限已失效',
+            'ACCESS_REVOKED' => '执行权限已撤销',
+            'UPSTREAM_AUDIO_LIMIT' => '录音处理副本仍超出已配置的上游限制，未发送，请联系管理员',
+            'AUDIO_NORMALIZATION_FAILED' => '录音兼容处理失败，原件已保留且未发送，请检查 FFmpeg',
+            'AUDIO_NORMALIZATION_TIMEOUT' => '录音兼容处理超时，原件已保留且未发送',
+            'AUDIO_INVALID' => '音频文件无效、发生变化或超出限制',
+        ];
+        parent::__construct($messages[$errorCode] ?? '随访音频处理失败，请检查服务配置或任务状态');
+    }
+}