required issue fix

ipi-survey-platform/src/components/survey/ProductData/ProductData.jsx

@@ -1899,6 +1899,15 @@ useEffect(() => {
     if (newErrors[errorKey] && value && value !== '') {
       delete newErrors[errorKey];
       setFormErrors(newErrors);
+      
+      // Force update with a new object reference
+      setTimeout(() => {
+        const freshErrors = { ...formErrors };
+        if (freshErrors[errorKey]) {
+          delete freshErrors[errorKey];
+          setFormErrors(freshErrors);
+        }
+      }, 0);
     }
     
     // Format value for cost fields to treat last two digits as decimals
@@ -2737,16 +2746,19 @@ useEffect(() => {
                                      unitOptions.find(u => u.value === unitId)?.label || 
                                      '';
                     
-                    // Update both unit and unitName in a single update
+                    // Use updateProductField to handle error clearing
-                    const updatedProduct = {
+                    updateProductField(p.id, 'unit', unitId, unitOptions);
-                      ...p,
-                      unit: unitId,
-                      unitName: displayName
-                    };
                     
+                    // Also update unitName separately
                     const updatedProducts = [...products];
-                    updatedProducts[idx] = updatedProduct;
+                    const productIndex = updatedProducts.findIndex(prod => prod.id === p.id);
-                    onProductsChange(updatedProducts);
+                    if (productIndex !== -1) {
+                      updatedProducts[productIndex] = {
+                        ...updatedProducts[productIndex],
+                        unitName: displayName
+                      };
+                      onProductsChange(updatedProducts);
+                    }
                   }}
                   loading={isLoadingUnits}
                   error={!!formErrors[`unit_${idx}`]}
@@ -2949,6 +2961,7 @@ useEffect(() => {
                         className="w-24"
                         type="text"          
                         inputMode="decimal" 
+                        required
                         value={p.janCost || ''}
                         error={!!formErrors[`janCost_${idx}`]}
                         placeholder="Enter"