Make ws4kp being exposed optional

src/geocode.js

@@ -31,8 +31,11 @@ function getCachedGeocode(cityQuery) {
     if (fs.existsSync(cacheFile)) {
       const data = fs.readFileSync(cacheFile, 'utf8');
       const cached = JSON.parse(data);
-      console.log(`Using cached geocode for: ${cityQuery}`);
-      return cached;
+      // Verify the query matches
+      if (cached.query && cached.query.toLowerCase().trim() === cityQuery.toLowerCase().trim()) {
+        console.log(`Using cached geocode for: ${cityQuery}`);
+        return cached;
+      }
     }
   } catch (error) {
     console.warn(`Cache read error for ${cityQuery}:`, error.message);
@@ -88,6 +91,7 @@ async function geocodeCity(cityQuery) {
           const results = JSON.parse(data);
           if (results && results.length > 0) {
             const geocodeResult = {
+              query: cityQuery,
               lat: parseFloat(results[0].lat),
               lon: parseFloat(results[0].lon),
               displayName: results[0].display_name