feat(admin): merge Site Settings and Wishlist into single Configurações panel

Single-wishlist apps no longer need two separate edit sections.
Both siteTitle/homepageSubtext and wishlist fields now save together
in one action from a unified Configurações card.

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

app/api/items/[id]/route.ts

@@ -81,6 +81,8 @@ export async function PATCH(
     const {
       name,
       description,
+      price,
+      currency,
       quantity,
       imageUrl,
       purchaseUrls,
@@ -108,6 +110,8 @@ export async function PATCH(
 
     if (name !== undefined) updateData.name = name;
     if (description !== undefined) updateData.description = description;
+    if (price !== undefined) updateData.price = price != null ? Number(price) : null;
+    if (currency !== undefined) updateData.currency = currency;
     if (quantity !== undefined) updateData.quantity = quantity;
     if (imageUrl !== undefined) updateData.imageUrl = imageUrl;
     if (purchaseUrls !== undefined) updateData.purchaseUrls = purchaseUrls;

app/api/wishlists/[id]/items/route.ts

@@ -82,6 +82,8 @@ export async function POST(
     const {
       name,
       description,
+      price,
+      currency,
       quantity,
       imageUrl,
       purchaseUrls,
@@ -126,6 +128,8 @@ export async function POST(
         wishlistId: id,
         name,
         description: description || null,
+        price: price != null ? Number(price) : null,
+        currency: currency || 'BRL',
         quantity: quantity || 1,
         imageUrl: imageUrl || null,
         purchaseUrls: purchaseUrls || null,