fix 1

src-tauri/src/lib.rs

@@ -32,12 +32,19 @@ struct Delta {
     content: Option<String>,
 }
 
+#[derive(Serialize, Clone)]
+struct TranslationChunkEvent {
+    request_id: String,
+    chunk: String,
+}
+
 #[tauri::command]
 async fn translate(
     app: AppHandle,
     api_address: String,
     api_key: String,
     payload: TranslationPayload,
+    request_id: String,
 ) -> Result<String, String> {
     let client = Client::new();
     // Ensure URL doesn't have double slashes if api_address ends with /
@@ -55,6 +62,12 @@ async fn translate(
         .await
         .map_err(|e| e.to_string())?;
 
+    let status = res.status();
+    if !status.is_success() {
+        let error_text = res.text().await.unwrap_or_else(|_| format!("HTTP {}", status));
+        return Err(format!("HTTP {}: {}", status, error_text));
+    }
+
     if !payload.stream {
         let text = res.text().await.map_err(|e| e.to_string())?;
         return Ok(text);
@@ -78,7 +91,11 @@ async fn translate(
                     if let Some(choice) = json.choices.get(0) {
                         if let Some(delta) = &choice.delta {
                             if let Some(content) = &delta.content {
-                                app.emit("translation-chunk", content).map_err(|e| e.to_string())?;
+                                let event = TranslationChunkEvent {
+                                    request_id: request_id.clone(),
+                                    chunk: content.clone(),
+                                };
+                                app.emit("translation-chunk", event).map_err(|e| e.to_string())?;
                             }
                         }
                     }