Added extra pump data

lagged sample in measurement

src/measurements/examples.js

@@ -87,6 +87,7 @@ autoContainer
   .distance(0.5)
   .value(1.5, Date.now(), 'bar'); // Input: 1.5 bar → Auto-stored as ~21.76 psi
 
+
 const converted = autoContainer
   .type('pressure')
   .variant('measured')
@@ -274,8 +275,8 @@ console.log(`  History: [${allValues.values.join(', ')}]\n`);
 console.log('--- Lagged sample comparison ---');
 
 const latest = stats.getCurrentValue();               // existing helper
-const prevSample = stats.getLaggedValue(2);           // new helper
-const prevPrevSample = stats.getLaggedValue(3);       // optional
+const prevSample = stats.getLaggedValue(1);           // new helper
+const prevPrevSample = stats.getLaggedValue(2);       // optional
 
 if (prevSample) {
   const delta = latest - prevSample.value;