Polish mobile and web experience

apps/mobile/app/(app)/invoices/new.tsx

@@ -29,6 +29,7 @@ import { formatCurrency } from "@/lib/format";
 import {
   isRequiredString,
   isValidTaxRate,
+  useFieldVisibility,
   validateLineItems,
 } from "@/lib/form-validation";
 import { resolveInvoiceBusinessId } from "@/lib/invoice-business";
@@ -70,6 +71,7 @@ export default function NewInvoiceScreen() {
   );
   const [section, setSection] = useState<InvoiceEditorSection>("setup");
   const [error, setError] = useState<string | null>(null);
+  const { touch, visible, markSubmitted } = useFieldVisibility();
 
   useEffect(() => {
     if (businessId || !businessesQuery.data?.length) return;
@@ -184,10 +186,12 @@ export default function NewInvoiceScreen() {
   }
 
   function updateItem(index: number, patch: Partial<EditableLineItem>) {
+    touch("lineItems");
     setItems((prev) => prev.map((item, i) => (i === index ? { ...item, ...patch } : item)));
   }
 
   function addItem() {
+    touch("lineItems");
     setItems((prev) => [
       ...prev,
       {
@@ -200,10 +204,12 @@ export default function NewInvoiceScreen() {
   }
 
   function removeItem(index: number) {
+    touch("lineItems");
     setItems((prev) => prev.filter((_, i) => i !== index));
   }
 
   function duplicateItem(index: number) {
+    touch("lineItems");
     setItems((prev) => {
       const source = prev[index];
       if (!source) return prev;
@@ -213,6 +219,7 @@ export default function NewInvoiceScreen() {
   }
 
   function handleCreate() {
+    markSubmitted();
     if (!canCreate) return;
     setError(null);
 
@@ -296,27 +303,31 @@ export default function NewInvoiceScreen() {
                   businessId={businessId}
                   onBusinessIdChange={setBusinessId}
                   businessOptions={businessOptions}
-                  businessError={businessError}
+                  businessError={visible("business") ? businessError : undefined}
+                  onBusinessBlur={() => touch("business")}
                   clientId={clientId}
                   onClientIdChange={setClientId}
                   clientOptions={clientOptions}
-                  clientError={clientError}
+                  clientError={visible("client") ? clientError : undefined}
+                  onClientBlur={() => touch("client")}
                   invoiceNumber={invoiceNumber}
                   onInvoiceNumberChange={setInvoiceNumber}
+                  invoiceNumberError={
+                    visible("invoiceNumber") ? invoiceNumberError : undefined
+                  }
+                  onInvoiceNumberBlur={() => touch("invoiceNumber")}
                   issueDate={issueDate}
                   onIssueDateChange={setIssueDate}
                   dueDate={dueDate}
                   onDueDateChange={setDueDate}
                   taxRate={taxRate}
                   onTaxRateChange={setTaxRate}
+                  taxRateError={visible("taxRate") ? taxError : undefined}
+                  onTaxRateBlur={() => touch("taxRate")}
                   notes={notes}
                   onNotesChange={setNotes}
                 />
               )}
-              {taxError ? <Text style={styles.error}>{taxError}</Text> : null}
-              {invoiceNumberError ? (
-                <Text style={styles.error}>{invoiceNumberError}</Text>
-              ) : null}
             </Card>
           ) : (
             <>
@@ -354,11 +365,13 @@ export default function NewInvoiceScreen() {
                 />
               </Card>
 
-              {lineItemsError ? <Text style={styles.error}>{lineItemsError}</Text> : null}
+              {visible("lineItems") && lineItemsError ? (
+                <Text selectable style={styles.error}>{lineItemsError}</Text>
+              ) : null}
             </>
           )}
 
-          {error ? <Text style={styles.error}>{error}</Text> : null}
+          {error ? <Text selectable style={styles.error}>{error}</Text> : null}
 
           <InvoiceEditorFooter
             primaryTitle={isBlank ? "Create blank invoice" : "Create invoice"}