feat(admin-stock): apply idempotent availability deltas

app/Domains/Ticketing/FiestaFutbolInfantil/Requests/UpsertEntriesRequest.php

@@ -20,7 +20,8 @@ class UpsertEntriesRequest extends FormRequest
 
         return [
             'entries' => ['required', 'array', 'min:1', 'max:100'],
-            'entries.*' => ['required', 'array:id,title,description,event_date_ids,stock,price'],
+            'stock_adjustment_id' => ['nullable', 'uuid'],
+            'entries.*' => ['required', 'array:id,title,description,event_date_ids,stock,stock_difference,price'],
             'entries.*.id' => [
                 'sometimes',
                 'nullable',
@@ -47,6 +48,7 @@ class UpsertEntriesRequest extends FormRequest
                 ),
             ],
             'entries.*.stock' => ['required', 'integer', 'min:0'],
+            'entries.*.stock_difference' => ['nullable', 'integer'],
             'entries.*.price' => ['required', 'numeric', 'min:0', 'max:99999999.99'],
         ];
     }