feat(admin): extend wysiwyg live editor

- Add is_required and allow_multiselect category toggles

- Implement module-popover for product module assignment

- Add cascade-protected deletion for categories and products

- Add sidebar link with AdminNavLink active states

shop/app/admin/wysiwyg/components/inline-input.tsx

@@ -26,8 +26,26 @@ export function InlineInput({ value, onSave, className, type = 'text' }: InlineI
 
   const handleBlur = async () => {
     setIsEditing(false)
-    if (currentValue !== value) {
-      await onSave(currentValue)
+    const trimmed = currentValue.trim()
+    
+    if (type === 'number') {
+      const parsed = parseFloat(trimmed)
+      if (isNaN(parsed) || trimmed === '') {
+        setCurrentValue(value)
+        return
+      }
+      const finalVal = parsed.toString()
+      if (finalVal !== value) {
+        await onSave(finalVal)
+      }
+    } else {
+      if (trimmed === '') {
+        setCurrentValue(value)
+        return
+      }
+      if (trimmed !== value) {
+        await onSave(trimmed)
+      }
     }
   }