fix milton keynes

server.cjs

@@ -573,17 +573,39 @@ function numberHeader(req, name, min, max) {
   return value
 }
 
+const CITY_COORDINATE_OVERRIDES = new Map([
+  ['GB|ENGLAND|MILTON KEYNES', { latitude: 52.0406, longitude: -0.7594 }],
+])
+
+function normalizedLocationKey(location) {
+  return [
+    String(location.country || '').trim().toUpperCase(),
+    String(location.region || '').trim().toUpperCase(),
+    String(location.city || '').trim().toUpperCase(),
+  ].join('|')
+}
+
+function normalizeLocationSignal(location) {
+  const override = CITY_COORDINATE_OVERRIDES.get(normalizedLocationKey(location))
+  if (!override) return location
+  return {
+    ...location,
+    latitude: override.latitude,
+    longitude: override.longitude,
+  }
+}
+
 function locationFromHeaders(req) {
   if (!requestPeerIsTrusted(req) || TRUST_PROXY !== 'cloudflare') {
-    return { country: countryFromHeaders(req), region: '', city: '', latitude: null, longitude: null }
+    return normalizeLocationSignal({ country: countryFromHeaders(req), region: '', city: '', latitude: null, longitude: null })
   }
-  return {
+  return normalizeLocationSignal({
     country: countryFromHeaders(req),
     region: headerValue(req, 'cf-region', 120),
     city: headerValue(req, 'cf-ipcity', 120),
     latitude: numberHeader(req, 'cf-iplatitude', -90, 90),
     longitude: numberHeader(req, 'cf-iplongitude', -180, 180),
-  }
+  })
 }
 
 function sanitizeAnalyticsValue(value, depth = 0) {
@@ -1076,7 +1098,7 @@ function viewerDashboard() {
     city: row.city,
     latitude: row.latitude,
     longitude: row.longitude,
-  }))
+  })).map(normalizeLocationSignal)
 
   const activePageMap = new Map()
   for (const viewer of active) {
@@ -1363,7 +1385,7 @@ function viewerDashboard() {
      group by country, region, city, latitude, longitude, timezone, language
      order by visitors desc, events desc
      limit 32
-  `).all(daySince)
+  `).all(daySince).map(normalizeLocationSignal)
 
   const locations = db.prepare(`
     select
@@ -1383,7 +1405,7 @@ function viewerDashboard() {
      group by country, region, city, latitude, longitude, timezone, language
      order by visitors desc, events desc
      limit 32
-  `).all(thirtyDaysSince)
+  `).all(thirtyDaysSince).map(normalizeLocationSignal)
 
   const totals = db.prepare(`
     select