Restore diameter result and uncertainty display

access_log.json

@@ -635,5 +635,12 @@
     "endpoint": "/",
     "method": "GET",
     "status": 200
+  },
+  {
+    "timestamp": "2026-07-07T16:19:41.488752",
+    "username": "mtazl",
+    "endpoint": "/",
+    "method": "GET",
+    "status": 200
   }
 ]

templates/roll_calculator.html

@@ -1006,8 +1006,8 @@ document.getElementById('d-calc').addEventListener('click', () => {
   const aw = parseFloat(document.getElementById('d-aw').value) || 0;
   const L_final = parseFloat(document.getElementById('d-le').value) || 0;
   if (wi > 0 && aw > 0 && L_final > 0) {
-    const weight = (aw * L_final * wi / 1000).toFixed(1);
+    const weight = aw * L_final * wi / 1000;
-    document.getElementById('d-wo').value = weight;
+    document.getElementById('d-wo').value = weight.toFixed(1);
     checkForklift(weight, d, category);
   } else {
     document.getElementById('forkliftCheck').classList.remove('show');