update viewers page

src/App.jsx

@@ -2042,6 +2042,18 @@ const countryNames = {
   ZA: 'South Africa',
 }
 
+function repairMojibake(value) {
+  const text = String(value || '')
+  if (!/[ÃÂâ]/.test(text) || typeof TextDecoder === 'undefined') return text
+
+  try {
+    const bytes = Uint8Array.from(text, (character) => character.charCodeAt(0))
+    return new TextDecoder('utf-8', { fatal: true }).decode(bytes)
+  } catch {
+    return text
+  }
+}
+
 function filledLast30Days(rows) {
   const byDate = new Map(rows.map((row) => [row.date, row]))
   return Array.from({ length: 30 }, (_, index) => {
@@ -2515,14 +2527,19 @@ function ViewersPage({ viewers }) {
 
 function LocationSignalTable({ countries, locations }) {
   const rows = locations.length
-    ? locations.map((location) => ({
+    ? locations.map((location) => {
+        const city = repairMojibake(location.city)
+        const region = repairMojibake(location.region)
+        const timezone = repairMojibake(location.timezone)
+        return {
           key: `${location.country}-${location.region}-${location.city}-${location.latitude}-${location.longitude}-${location.timezone}`,
-        place: location.city || location.region || location.timezone || 'Unknown city',
-        region: location.region || 'Not shared',
+          place: city || region || timezone || 'Unknown city',
+          region: region || 'Not shared',
           country: countryNames[location.country] || location.country || 'Not shared',
           visitors: location.visitors,
           events: location.events,
-      }))
+        }
+      })
     : countries.map((country) => ({
         key: country.country,
         place: countryNames[country.country] || country.country || 'Unknown country',
@@ -2588,14 +2605,14 @@ function LocationSignalMap({ countries, locations }) {
       const lat = Number(location.latitude)
       const lon = Number(location.longitude)
       if (!Number.isFinite(lat) || !Number.isFinite(lon)) return null
-      const place = [location.city, location.region, countryNames[location.country] || location.country]
+      const place = [repairMojibake(location.city), repairMojibake(location.region), countryNames[location.country] || location.country]
         .filter(Boolean)
         .join(', ')
       return {
         ...location,
         lat,
         lon,
-        label: place || location.country || location.timezone || 'Unknown location',
+        label: place || location.country || repairMojibake(location.timezone) || 'Unknown location',
       }
     })
     .filter(Boolean)