Simplify audit modal: asset ID scan only

Remove eyebrow header, dropdown picker, and SKU matching.
Require scanning the physical asset ID to audit.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/src/components/modals/AuditFlow.tsx

@@ -79,12 +79,6 @@ export function AuditFlow({
   const handleScan = (result: ScanResult) => {
     if (result.kind === "item") {
       setItemId(result.item.id);
-    } else {
-      // SKU scan — pick the most recent active instance of that product.
-      const candidate = overdueFirst
-        .filter((i) => i.productId === result.product.id)
-        .sort((a, b) => +new Date(b.purchaseDate) - +new Date(a.purchaseDate))[0];
-      if (candidate) setItemId(candidate.id);
     }
   };
 
@@ -114,33 +108,16 @@ export function AuditFlow({
           boxShadow: "var(--shadow-lg)",
         }}
       >
-        <ModalHeader title={ml.title} eyebrow="Audit" onClose={onClose} />
+        <ModalHeader title={ml.title} eyebrow="" onClose={onClose} />
 
         <div style={{ padding: 32 }}>
           <ScanField
             items={overdueFirst}
-            products={data.products}
+            products={[]}
             matchedLabel={item ? `${item.assetId} · ${item.name}` : null}
             onMatch={handleScan}
           />
 
-          <div style={{ marginTop: 16 }}>
-            <Field label="Or pick from list">
-              <Select value={itemId} onChange={(e) => setItemId(e.target.value)}>
-                {overdueFirst.map((i) => {
-                  const od = helpers.auditOverdue(i);
-                  const sc = helpers.daysSinceCheck(i);
-                  return (
-                    <option key={i.id} value={i.id}>
-                      {od ? "⚠ " : ""}
-                      {i.assetId} · {i.name} — {helpers.brandName(data, i.brandId)} · {sc}d since check
-                    </option>
-                  );
-                })}
-              </Select>
-            </Field>
-          </div>
-
           <div
             style={{
               marginTop: 16,