Add plausible

frontend/src/components/map/MapPage.tsx

@@ -27,6 +27,7 @@ import {
   type TravelTimeInitial,
 } from '../../hooks/useTravelTime';
 import { apiUrl, authHeaders, buildFilterString, logNonAbortError } from '../../lib/api';
+import { trackEvent } from '../../lib/analytics';
 import { INITIAL_VIEW_STATE } from '../../lib/consts';
 import { useLicense } from '../../hooks/useLicense';
 import UpgradeModal from '../ui/UpgradeModal';
@@ -261,6 +262,7 @@ export default function MapPage({
         link.download = 'perfect-postcode-export.xlsx';
         link.click();
         URL.revokeObjectURL(link.href);
+        trackEvent('Export');
       })
       .catch((err) => logNonAbortError('Export failed', err))
       .finally(() => setExporting(false));
@@ -270,6 +272,10 @@ export default function MapPage({
     onExportStateChange?.({ onExport: handleExport, exporting });
   }, [handleExport, exporting, onExportStateChange]);
 
+  useEffect(() => {
+    if (mapData.licenseRequired) trackEvent('Upgrade Modal Shown');
+  }, [mapData.licenseRequired]);
+
   const mobileLegendMeta = useMemo(
     () => (viewFeature ? features.find((f) => f.name === viewFeature) || null : null),
     [viewFeature, features]

frontend/src/components/map/POIPane.tsx

@@ -1,5 +1,6 @@
 import { useState, useCallback } from 'react';
 import { useCollapsibleGroups } from '../../hooks/useCollapsibleGroups';
+import { trackEvent } from '../../lib/analytics';
 import type { POICategoryGroup } from '../../types';
 import InfoPopup from '../ui/InfoPopup';
 import { SearchInput } from '../ui/SearchInput';
@@ -31,19 +32,23 @@ export default function POIPane({
 
   const toggleCategory = (category: string) => {
     const newSet = new Set(selectedCategories);
-    if (newSet.has(category)) {
+    const wasSelected = newSet.has(category);
+    if (wasSelected) {
       newSet.delete(category);
     } else {
       newSet.add(category);
     }
+    trackEvent('POI Toggle', { category, selected: String(!wasSelected) });
     onCategoriesChange(newSet);
   };
 
   const selectAll = () => {
+    trackEvent('POI Select All');
     onCategoriesChange(new Set(allCategories));
   };
 
   const selectNone = () => {
+    trackEvent('POI Select None');
     onCategoriesChange(new Set());
   };