音效失败对外只返回稳定文案

把音效任务加入用户可见失败文案白名单，不再透出 ElevenLabs 端点与传输层诊断。

新增音效失败文案脱敏测试，原始诊断仍保留在任务记录、tracing 与审计事件中。

server-rs/crates/api-server/src/external_generation.rs

@@ -21,6 +21,7 @@ use spacetime_client::{
 
 use crate::editor_generation_queue::{
     EDITOR_BACKGROUND_REMOVAL_JOB_KIND, EDITOR_CHARACTER_ANIMATION_GENERATION_JOB_KIND,
+    EDITOR_SOUND_EFFECT_GENERATION_JOB_KIND,
 };
 use crate::{
     api_response::json_success_body, auth::AuthenticatedAccessToken, http_error::AppError,
@@ -202,9 +203,9 @@ fn map_external_generation_job_status(
     }
 }
 
-/// 外部任务表保存的失败文本同时服务于 worker 诊断和用户通知。抠图及角色动作透明化任务的
-/// 原始失败文本可能包含内部 provider、分割模型或实现细节，因此只能在普通用户读取边界
-/// 替换成稳定文案。
+/// 外部任务表保存的失败文本同时服务于 worker 诊断和用户通知。抠图、角色动作透明化和音效
+/// 任务的原始失败文本可能包含内部 provider、分割模型、请求端点或 HTTP 传输层细节，因此
+/// 只能在普通用户读取边界替换成稳定文案。
 /// 原始值仍留在任务记录、tracing 和后台审计路径中。
 fn user_visible_external_generation_error(job_kind: &str, error: Option<String>) -> Option<String> {
     if job_kind == EDITOR_BACKGROUND_REMOVAL_JOB_KIND && error.is_some() {
@@ -213,6 +214,10 @@ fn user_visible_external_generation_error(job_kind: &str, error: Option<String>)
     if job_kind == EDITOR_CHARACTER_ANIMATION_GENERATION_JOB_KIND && error.is_some() {
         return Some("角色动作生成失败，请稍后重试。".to_string());
     }
+    // 音效失败文本来自 ElevenLabs / reqwest，会带上请求端点、底层错误链和上游状态码。
+    if job_kind == EDITOR_SOUND_EFFECT_GENERATION_JOB_KIND && error.is_some() {
+        return Some("音效生成失败，请稍后重试。".to_string());
+    }
 
     error
 }
@@ -470,6 +475,50 @@ mod tests {
         assert!(!lower.contains("provider"));
     }
 
+    #[test]
+    fn sound_effect_failure_hides_provider_and_transport_details_from_owner() {
+        let job = ExternalGenerationJobSummaryRecord {
+            job_id: "task-sound-effect-failed".to_string(),
+            job_kind: EDITOR_SOUND_EFFECT_GENERATION_JOB_KIND.to_string(),
+            owner_user_id: "user-1".to_string(),
+            source_module: "editor-canvas".to_string(),
+            source_entity_id: "project-1".to_string(),
+            request_label: "音效生成".to_string(),
+            request_prompt: None,
+            status: "failed".to_string(),
+            last_error_message: Some(
+                "请求 ElevenLabs 音效生成失败：error sending request for url \
+                 (https://api.elevenlabs.io/v1/sound-generation?output_format=mp3_44100_128): \
+                 connection error: Connection refused (os error 111)"
+                    .to_string(),
+            ),
+            created_at: "2026-08-07T08:00:00Z".to_string(),
+            started_at: Some("2026-08-07T08:00:01Z".to_string()),
+            completed_at: Some("2026-08-07T08:00:10Z".to_string()),
+            updated_at: "2026-08-07T08:00:10Z".to_string(),
+            updated_at_micros: 1_000,
+            price_mud_points: 5,
+            refund_ledger_id: None,
+            notification_acknowledged_at: None,
+            notification_acknowledged_at_micros: None,
+            phase: None,
+            warning_message: None,
+        };
+
+        let status = map_external_generation_job_status(job.clone());
+        let task = map_external_generation_task_record(job);
+
+        assert_eq!(status.error.as_deref(), Some("音效生成失败，请稍后重试。"));
+        assert_eq!(task.error.as_deref(), Some("音效生成失败，请稍后重试。"));
+        for value in [status.error, task.error].into_iter().flatten() {
+            let lower = value.to_ascii_lowercase();
+            assert!(!lower.contains("elevenlabs"));
+            assert!(!lower.contains("api.elevenlabs.io"));
+            assert!(!lower.contains("sound-generation"));
+            assert!(!lower.contains("os error"));
+        }
+    }
+
     #[test]
     fn unrelated_generation_failure_keeps_its_user_visible_message() {
         let message = user_visible_external_generation_error(