Fix stall update API to use PUT with full object

- Changed updateStall from PATCH to PUT (LNbits API requirement)
- Updated to send full stall object instead of partial update
- Merges form values with existing stall data before sending

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/modules/market/components/MarketSettings.vue

@@ -389,14 +389,18 @@ const onSubmit = form.handleSubmit(async (values) => {
       throw new Error('No wallet admin key available')
     }
 
-    // Update the stall with new values
-    const updatedStall = await nostrmarketAPI.updateStall(adminKey, currentStall.value.id, {
+    // Build full stall object with updated values (API requires PUT with full object)
+    const stallToUpdate = {
+      ...currentStall.value,
       name: values.name,
       config: {
+        ...currentStall.value.config,
         description: values.description || '',
         image_url: values.imageUrl || undefined
       }
-    })
+    }
+
+    const updatedStall = await nostrmarketAPI.updateStall(adminKey, stallToUpdate)
 
     currentStall.value = updatedStall
     toast.success('Store settings saved successfully!')

src/modules/market/services/nostrmarketAPI.ts

@@ -331,23 +331,17 @@ export class NostrmarketAPI extends BaseService {
 
   /**
    * Update an existing stall
+   * Note: The LNbits API uses PUT and expects the full stall object
    */
   async updateStall(
     walletAdminkey: string,
-    stallId: string,
-    stallData: Partial<{
-      name: string
-      config: {
-        description?: string
-        image_url?: string
-      }
-    }>
+    stallData: Stall
   ): Promise<Stall> {
     const stall = await this.request<Stall>(
-      `/api/v1/stall/${stallId}`,
+      `/api/v1/stall/${stallData.id}`,
       walletAdminkey,
       {
-        method: 'PATCH',
+        method: 'PUT',
         body: JSON.stringify(stallData),
       }
     )