冒烟示例在任务未完成时跳过下载并继续后续入口

轮询改用 throw_on_failure=false，失败终态交回示例按 status 判定而不是直接返回错误

非 Completed 的任务打印 status 与 failure 后 continue，避免一个入口失败中断其余入口的冒烟

server-rs/crates/platform-tripo/examples/tripo_generation_smoke.rs

@@ -16,7 +16,7 @@ use std::{env, fs, time::Duration};
 
 use platform_tripo::TripoProviderClient;
 use shared_contracts::model3d::{
-    common::{Model3dModelVersion, Model3dTextureQuality},
+    common::{Model3dModelVersion, Model3dTaskStatus, Model3dTextureQuality},
     image_to_model::Model3dImageToModelRequest,
     multiview_to_model::{Model3dMultiviewInputs, Model3dMultiviewToModelRequest},
     text_to_model::Model3dTextToModelRequest,
@@ -140,6 +140,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                 &handle.task_id,
                 WaitOptions {
                     timeout: Some(Duration::from_secs(30 * 60)),
+                    // Non-success terminal states are reported below by status
+                    // so the remaining endpoints are still exercised.
+                    throw_on_failure: false,
                     ..WaitOptions::default()
                 },
             )
@@ -151,6 +154,14 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             snapshot.status, snapshot.progress, snapshot.output
         );
 
+        if snapshot.status != Model3dTaskStatus::Completed {
+            eprintln!(
+                "{name} skipped download: status={:?} failure={:?}",
+                snapshot.status, snapshot.failure
+            );
+            continue;
+        }
+
         let downloaded = client.download_model(&snapshot).await?;
         let filename = downloaded.filename(name);
         fs::write(&filename, &downloaded.data)?;