高温氦气物性补全；三通四通能量计算bug修正

frontend/tests/e2e/project-initial-viewport.spec.ts

@@ -15,7 +15,7 @@ for (const action of ["import", "load", "recover"] as const) {
       await expect(page.locator(".flow-canvas")).not.toHaveClass(/is-fitting-project/);
     }
     await page.evaluate(({ project, action }) => {
-      const key = action === "recover" ? "system-simulation-flow:autosave" : "system-simulation-flow:project:target";
+      const key = "system-simulation-flow:autosave";
       localStorage.setItem(key, JSON.stringify(project));
     }, { project: wideProject, action });
     if (action === "recover") {