feat: extend map targeting and overlay controls

Support batch feature targeting and clear map highlights and overlays from the More panel. Remove misleading action chevrons and unused configuration export entries.

Validated the isolated patch with lint, typecheck, 36 focused tests and 5 browser cases using mocked data.

src/features/workbench/components/toolbar-panel.tsx

@@ -4,7 +4,7 @@ import {
   Copy,
   Database,
   Dot,
-  Download,
+  Eraser,
   Keyboard,
   Layers3,
   MapPinned,
@@ -134,7 +134,7 @@ export type ToolbarPanelProps = {
   onRefreshTiles: () => void;
   onShowDataStatus: () => void;
   onShowShortcuts: () => void;
-  onExportConfig: () => void;
+  onClearMapOverlays: () => void;
   panelWidthClassName?: string;
 };
 
@@ -176,7 +176,7 @@ export function ToolbarPanel({
   onRefreshTiles,
   onShowDataStatus,
   onShowShortcuts,
-  onExportConfig,
+  onClearMapOverlays,
   panelWidthClassName
 }: ToolbarPanelProps) {
   const annotationItems = useMemo<MapAnnotationItem[]>(
@@ -403,7 +403,7 @@ export function ToolbarPanel({
         onRefreshTiles={onRefreshTiles}
         onShowDataStatus={onShowDataStatus}
         onShowShortcuts={onShowShortcuts}
-        onExportConfig={onExportConfig}
+        onClearMapOverlays={onClearMapOverlays}
       />
     </MapControlPanel>
   );
@@ -476,22 +476,25 @@ function LegendPanel({ legendItems }: { legendItems: MapLegendItem[] }) {
 }
 
 type MorePanelProps = {
+  onClearMapOverlays: () => void;
   onExportView: (preset: ExportViewPreset) => void;
   onRefreshTiles: () => void;
   onShowDataStatus: () => void;
   onShowShortcuts: () => void;
-  onExportConfig: () => void;
 };
 
 function MorePanel({
+  onClearMapOverlays,
   onExportView,
   onRefreshTiles,
   onShowDataStatus,
-  onShowShortcuts,
-  onExportConfig
+  onShowShortcuts
 }: MorePanelProps) {
   return (
     <div className="space-y-3">
+      <MapPanelSection title="清理地图">
+        <MapActionRow icon={Eraser} label="清空所有高亮和覆盖层" description="分析、测量、标注与定位标记" onClick={onClearMapOverlays} />
+      </MapPanelSection>
       <MapPanelSection title="导出视图">
         <MapActionRow icon={Camera} label="当前分辨率" description="按当前地图画布尺寸导出" onClick={() => onExportView("current")} />
         <MapActionRow icon={Camera} label="4K 分辨率" description="长边约 3840px 的 PNG" onClick={() => onExportView("4k")} />
@@ -504,7 +507,6 @@ function MorePanel({
 
       <MapPanelSection title="系统">
         <MapActionRow icon={Keyboard} label="快捷键" description="查看地图操作键位" onClick={onShowShortcuts} />
-        <MapActionRow icon={Download} label="导出配置" description="保存当前图层与工具状态" onClick={onExportConfig} />
       </MapPanelSection>
     </div>
   );