feat: rename "Museum" to "Event" across all UI labels

Display labels only — internal code references unchanged.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/locales/en.json

@@ -25,7 +25,7 @@
     "excl": "Excl"
   },
   "dataSources": {
-    "museums": "Museums",
+    "museums": "Events",
     "coffees": "Coffees",
     "ecommerce": "eCommerce",
     "soon": "soon"
@@ -35,12 +35,12 @@
     "year": "Year",
     "district": "District",
     "channel": "Channel",
-    "museum": "Museum",
+    "museum": "Event",
     "quarter": "Quarter",
     "allYears": "All Years",
     "allDistricts": "All Districts",
     "allChannels": "All Channels",
-    "allMuseums": "All Museums",
+    "allMuseums": "All Events",
     "allQuarters": "All Quarters",
     "reset": "Reset Filters"
   },
@@ -58,13 +58,13 @@
   },
   "dashboard": {
     "title": "Dashboard",
-    "subtitle": "Museum analytics from Hono ERP",
+    "subtitle": "Event analytics from ERP",
     "noData": "No data found",
     "noDataMessage": "No records match your current filters. Try adjusting your selection.",
     "quarterlyComparison": "Quarterly Comparison: 2024 vs 2025",
     "revenueTrends": "Revenue Trends",
-    "visitorsByMuseum": "Visitors by Museum",
-    "revenueByMuseum": "Revenue by Museum",
+    "visitorsByMuseum": "Visitors by Event",
+    "revenueByMuseum": "Revenue by Event",
     "quarterlyRevenue": "Quarterly Revenue (YoY)",
     "districtPerformance": "District Performance",
     "channelPerformance": "Channel Performance",
@@ -120,7 +120,7 @@
     "noData": "No data for this period",
     "noDataMessage": "No records found for the selected date range and filters.",
     "trend": "Trend",
-    "byMuseum": "By Museum",
+    "byMuseum": "By Event",
     "pendingData": "Data not published yet"
   },
   "slides": {
@@ -140,7 +140,7 @@
     "showYoY": "Show Year-over-Year Comparison",
     "exit": "Exit",
     "revenueTrend": "Revenue Trend",
-    "byMuseum": "By Museum",
+    "byMuseum": "By Event",
     "kpiSummary": "KPI Summary",
     "yoyComparison": "YoY Comparison"
   },