发行包上传错误 detail 去掉与步骤标签重复的前缀

- 读取响应/分片响应/完成响应失败改为直接给原始 error，步骤由 GamePackageUploadStep 标签提供
- JSON 解析与缺字段的 detail 去掉「上传状态响应」「分片响应」「完成响应」等重复主语

apps/ai-game-creator-shell/src-tauri/src/game_package_upload/runtime.rs

@@ -150,20 +150,21 @@ async fn read_upload_state(
         ))
     })?;
     let status = response.status().as_u16();
-    let body = response.text().await.map_err(|error| {
-        GamePackageUploadError::read_upload_state(format!("读取响应失败：{error}"))
-    })?;
+    let body = response
+        .text()
+        .await
+        .map_err(|error| GamePackageUploadError::read_upload_state(format!("{error}")))?;
     if status >= 400 {
         let (code, message) = parse_server_error(status, &body);
         let detail = server_error_detail(code, message, || format!("HTTP {status}"));
         return Err(GamePackageUploadError::read_upload_state(detail));
     }
     let parsed: Value = serde_json::from_str(&body).map_err(|error| {
-        GamePackageUploadError::read_upload_state(format!("上传状态响应不是合法 JSON：{error}"))
+        GamePackageUploadError::read_upload_state(format!("响应不是合法 JSON：{error}"))
     })?;
     let payload = parsed.get("data").unwrap_or(&parsed);
     serde_json::from_value(payload.clone()).map_err(|error| {
-        GamePackageUploadError::read_upload_state(format!("上传状态响应缺少字段：{error}"))
+        GamePackageUploadError::read_upload_state(format!("响应缺少字段：{error}"))
     })
 }
 
@@ -196,9 +197,7 @@ async fn upload_chunk(
     })?;
     let status = response.status().as_u16();
     let text = response.text().await.map_err(|error| {
-        ChunkUploadError::Retryable(GamePackageUploadError::upload_chunk(format!(
-            "读取分片响应失败：{error}"
-        )))
+        ChunkUploadError::Retryable(GamePackageUploadError::upload_chunk(format!("{error}")))
     })?;
     if status == 409 {
         let (code, message) = parse_server_error(status, &text);
@@ -231,7 +230,7 @@ async fn upload_chunk(
     }
     let parsed: Value = serde_json::from_str(&text).map_err(|error| {
         ChunkUploadError::Retryable(GamePackageUploadError::upload_chunk(format!(
-            "分片响应不是合法 JSON：{error}"
+            "响应不是合法 JSON：{error}"
         )))
     })?;
     let payload = parsed.get("data").unwrap_or(&parsed);
@@ -240,7 +239,7 @@ async fn upload_chunk(
         .and_then(Value::as_u64)
         .ok_or_else(|| {
             ChunkUploadError::Fatal(GamePackageUploadError::upload_chunk(
-                "分片响应缺少 receivedBytes",
+                "响应缺少 receivedBytes",
             ))
         })
 }
@@ -268,16 +267,17 @@ async fn complete_upload(
     .await
     .map_err(|error| GamePackageUploadError::complete_upload(format!("请求未送达：{error}")))?;
     let status = response.status().as_u16();
-    let text = response.text().await.map_err(|error| {
-        GamePackageUploadError::complete_upload(format!("读取响应失败：{error}"))
-    })?;
+    let text = response
+        .text()
+        .await
+        .map_err(|error| GamePackageUploadError::complete_upload(format!("{error}")))?;
     if status >= 400 {
         let (code, message) = parse_server_error(status, &text);
         let detail = server_error_detail(code, message, || format!("HTTP {status}"));
         return Err(GamePackageUploadError::complete_upload(detail));
     }
     let parsed: Value = serde_json::from_str(&text).map_err(|error| {
-        GamePackageUploadError::complete_upload(format!("完成响应不是合法 JSON：{error}"))
+        GamePackageUploadError::complete_upload(format!("响应不是合法 JSON：{error}"))
     })?;
     let payload = parsed.get("data").unwrap_or(&parsed);
     Ok(GamePackageUploadOutcome {