feat(ui): 统一面板空状态引导

src/components/olmap/BurstSimulation/AnalysisReport.test.tsx

@@ -62,6 +62,24 @@ describe("AnalysisReport", () => {
     document.body.classList.remove("burst-analysis-report-printing");
   });
 
+  it("guides the user to choose a scheme when no report is active", () => {
+    render(
+      <AnalysisReport
+        scheme={null}
+        valveResult={null}
+        disabledValves={[]}
+        generatedAt={null}
+      />,
+    );
+
+    expect(screen.getByText("尚未选择分析方案")).toBeInTheDocument();
+    expect(
+      screen.getByText(
+        "请在“方案查询”中打开一个方案，再查看分析报告。",
+      ),
+    ).toBeInTheDocument();
+  });
+
   it("renders the selected scheme, pipe data, and matching valve result", async () => {
     render(
       <AnalysisReport