Updated distance in measurement helper so its a settable compoment. See example.js file in measurement helper folder

src/measurements/MeasurementBuilder.js

@@ -5,6 +5,7 @@ class MeasurementBuilder {
     this.type = null;
     this.variant = null;
     this.position = null;
+    this.distance = null;
     this.windowSize = 10; // Default window size
   }
 
@@ -32,6 +33,11 @@ class MeasurementBuilder {
     return this;
   }
 
+  setDistance(distance) {
+    this.distance = distance;
+    return this;
+  }
+
   build() {
     // Validate required fields
     if (!this.type) {
@@ -43,12 +49,14 @@ class MeasurementBuilder {
     if (!this.position) {
       throw new Error('Measurement position is required');
     }
+    // distance is not a requirement as it can be derived from position
 
     return new Measurement(
       this.type,
       this.variant,
       this.position,
-      this.windowSize
+      this.windowSize,
+      this.distance
     );