Add OTP-first customer signup and product catalog PDF field.

Registration collects name and phone, verifies SMS, then asks for a password only for new Meshkee accounts. Product add/edit supports an optional catalog PDF.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/AddNewProductPage.module.css

@@ -87,6 +87,64 @@
   color: var(--text-muted);
 }
 
+.catalogHint {
+  margin: 0 0 8px;
+  font-size: 12px;
+  color: var(--text-muted);
+}
+
+.catalogRow {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 12px;
+}
+
+.catalogInput {
+  max-width: 100%;
+  font-size: 13px;
+}
+
+.catalogSelected {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 10px;
+  border-radius: var(--radius-sm);
+  background: rgba(148, 163, 184, 0.12);
+  font-size: 13px;
+  color: var(--text-secondary);
+  min-width: 0;
+}
+
+.catalogSelected span,
+.catalogLink {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 280px;
+}
+
+.catalogLink {
+  color: var(--primary);
+  text-decoration: underline;
+}
+
+.catalogClear {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 2px;
+  border-radius: 4px;
+  color: var(--text-muted);
+  flex-shrink: 0;
+}
+
+.catalogClear:hover {
+  color: var(--text);
+  background: rgba(148, 163, 184, 0.2);
+}
+
 .summaryField textarea {
   min-height: calc((var(--field-height) + 8px) * 2);
   padding-inline-end: 12px;