Merge current main into S2 GhostMaps and preserve updated import and voice behavior

src/data/layerState.js

@@ -157,26 +157,6 @@ function trackingIdOption(key, token, defaultValue = null) {
   });
 }
 
-function stringOption(key, token, defaultValue) {
-  return Object.freeze({
-    key,
-    token,
-    defaultValue,
-    normalize: (value) => {
-      if (typeof value === 'number' && Number.isFinite(value))
-        return String(value).trim().toLowerCase();
-      if (typeof value !== 'string') return null;
-      const normalized = value.trim().toLowerCase();
-      return normalized ? normalized : null;
-    },
-    encode: (value) => String(value),
-    decode: (value) =>
-      typeof value === 'string' && value.trim()
-        ? value.trim().toLowerCase()
-        : null,
-  });
-}
-
 function enumOption(
   key,
   token,