fix(flushing): 对齐选择项空状态

src/components/olmap/FlushingAnalysis/AnalysisParameters.tsx

@@ -551,6 +551,7 @@ const AnalysisParameters: React.FC<AnalysisParametersProps> = ({
           {!drainageNode && (
             <PanelEmptyState
               variant="compact"
+              horizontalAlign="start"
               icon={<WaterDropOutlined />}
               title="尚未选择排水节点"
               description="点击“选择节点”，然后在地图上指定排水点。"
@@ -651,6 +652,7 @@ const AnalysisParameters: React.FC<AnalysisParametersProps> = ({
           {valves.length === 0 && (
             <PanelEmptyState
               variant="compact"
+              horizontalAlign="start"
               icon={<AdjustOutlined />}
               title="未选择参与阀门"
               description="无需调整阀门时可跳过，也可点击“选择阀门”添加。"

src/components/olmap/common/PanelEmptyState.test.tsx

@@ -36,11 +36,15 @@ describe("PanelEmptyState", () => {
     render(
       <PanelEmptyState
         variant="compact"
+        horizontalAlign="start"
         title="尚未选择阀门"
         description="点击“选择阀门”，然后在地图上添加。"
       />,
     );
 
     expect(screen.getByText("尚未选择阀门")).toBeInTheDocument();
+    expect(screen.getByRole("status")).toHaveStyle({
+      justifyContent: "flex-start",
+    });
   });
 });

src/components/olmap/common/PanelEmptyState.tsx

@@ -10,6 +10,7 @@ export interface PanelEmptyStateProps {
   title: string;
   description?: string;
   variant?: "panel" | "compact";
+  horizontalAlign?: "center" | "start";
 }
 
 const PanelEmptyState = ({
@@ -17,6 +18,7 @@ const PanelEmptyState = ({
   title,
   description,
   variant = "panel",
+  horizontalAlign = "center",
 }: PanelEmptyStateProps) => {
   const compact = variant === "compact";
 
@@ -32,7 +34,8 @@ const PanelEmptyState = ({
         display: "flex",
         flexDirection: compact ? "row" : { xs: "column", sm: "row" },
         alignItems: "center",
-        justifyContent: "center",
+        justifyContent:
+          horizontalAlign === "start" ? "flex-start" : "center",
         gap: compact ? 1.5 : { xs: 1.75, sm: 2.5 },
         px: compact ? 1.5 : { xs: 2, sm: 4 },
         py: compact ? 1.25 : { xs: 4, sm: 5 },