Steps to reproduce:

1. Create a new Universal 2D project
2. Click the "AI" button in the toolbar
3. Observe the Console window

Actual results: Console displays "ArgumentException: Requested value 'Textures' was not found." error

Expected results: No errors

Reproducible with versions: 1.0.0-pre.12 (6000.3.3f1, 6000.4.0b3, 6000.5.0a4)

Not reproducible with versions: 

Tested on (OS): macOS - Tahoe 26.2

Notes: Full error
{code:java}
ArgumentException: Requested value 'Textures' was not found.
Newtonsoft.Json.Utilities.EnumUtils.ParseEnum (System.Type enumType, Newtonsoft.Json.Serialization.NamingStrategy namingStrategy, System.String value, System.Boolean disallowNumber) (at <761cf2a144514d2291a678c334d49e9b>:0)
Newtonsoft.Json.Converters.StringEnumConverter.ReadJson (Newtonsoft.Json.JsonReader reader, System.Type objectType, System.Object existingValue, Newtonsoft.Json.JsonSerializer serializer) (at <761cf2a144514d2291a678c334d49e9b>:0)
Rethrow as JsonSerializationException: Error converting value "Textures" to type 'SuperProxyClientV1Namespace.CategoryEnumV1'. Path 'Items[107].Category', line 1, position 221031.
Newtonsoft.Json.Converters.StringEnumConverter.ReadJson (Newtonsoft.Json.JsonReader reader, System.Type objectType, System.Object existingValue, Newtonsoft.Json.JsonSerializer serializer) (at <761cf2a144514d2291a678c334d49e9b>:0)
SuperProxyClientV1Namespace.CustomStringEnumConverter.ReadJson (Newtonsoft.Json.JsonReader reader, System.Type objectType, System.Object existingValue, Newtonsoft.Json.JsonSerializer serializer) (at <0dcadd3eb269413b96c7d9dde651ac95>:0)
UnityEngine.Debug:LogException(Exception)
Unity.AI.Toolkit.Accounts.Services.Core.<>c__DisplayClass1_0:<LogDebug>b__0() (at ./Library/PackageCache/com.unity.ai.toolkit@48a271771d1a/Modules/Accounts/Services/Core/Logger.cs:30)
Unity.AI.Toolkit.<>c__DisplayClass15_0:<RunOnMainThread>b__0() (at ./Library/PackageCache/com.unity.ai.toolkit@48a271771d1a/Modules/Async/EditorTask.cs:330)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions() (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:403){code}