修复 Rust 格式检查失败

按 rustfmt 规范调整更新下载代码排版

按 rustfmt 规范调整预览路径回归测试排版

apps/ai-game-creator-shell/src-tauri/src/main.rs

@@ -97,7 +97,8 @@ async fn download_agc_update(
     expected_sha256: Option<String>,
     expected_size: Option<u64>,
 ) -> Result<String, String> {
-    let parsed = url::Url::parse(download_url.trim()).map_err(|_| "更新下载地址无效".to_string())?;
+    let parsed =
+        url::Url::parse(download_url.trim()).map_err(|_| "更新下载地址无效".to_string())?;
     if parsed.scheme() != "https" || parsed.host_str() != Some(AGC_UPDATE_OSS_HOST) {
         return Err("更新下载地址必须来自受信任的 OSS".to_string());
     }
@@ -215,8 +216,8 @@ async fn download_agc_update(
         let _ = fs::remove_file(&temporary);
         return Err(format!("提交更新文件失败：{error}"));
     }
-    let relaunch_path = std::env::current_exe()
-        .map_err(|error| format!("无法定位客户端程序：{error}"))?;
+    let relaunch_path =
+        std::env::current_exe().map_err(|error| format!("无法定位客户端程序：{error}"))?;
     launch_agc_installer(&target, &relaunch_path)?;
     app.exit(0);
     Ok(target.to_string_lossy().into_owned())

apps/ai-game-creator-shell/src-tauri/src/preview.rs

@@ -1675,7 +1675,10 @@ mod tests {
             .join("ui/generated-x.js")
             .canonicalize()
             .expect("canonical generated module");
-        assert_eq!(resolve_preview_path(root.path(), "/ui/generated-x.js").unwrap(), expected);
+        assert_eq!(
+            resolve_preview_path(root.path(), "/ui/generated-x.js").unwrap(),
+            expected
+        );
 
         let response = build_preview_response(root.path(), "GET", "/ui/generated-x.js");
         let response_text = String::from_utf8_lossy(&response);