Replaced the Tuple schema for the OpenAPI specification document in the library target with per-type key-name payloads.

Sources/AmiiboService/Internal/Protocols/KeyNamePayload.swift

@@ -0,0 +1,33 @@
+// ===----------------------------------------------------------------------===
+// 
+// This source file is part of the Amiibo Service open source project
+// 
+// Copyright (c) 2026 Röck+Cöde VoF. and the Amiibo Service project authors
+// Licensed under Apache license v2.0
+// 
+// See LICENSE for license information
+// See CONTRIBUTORS for the list of Amiibo Service project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+// 
+// ===----------------------------------------------------------------------===
+
+/// A protocol that unifies the generated payload types containing a `key` and `name` pair.
+protocol KeyNamePayload {
+    
+    // MARK: Properties
+    
+    /// A hexadecimal key that uniquely identifies this payload.
+    var key: String { get }
+    
+    /// A display name for this payload.
+    var name: String { get }
+    
+}
+
+// MARK: - Conformances
+
+extension Components.Schemas.AmiiboSeries: KeyNamePayload {}
+extension Components.Schemas.AmiiboType: KeyNamePayload {}
+extension Components.Schemas.GameCharacter: KeyNamePayload {}
+extension Components.Schemas.GameSeries: KeyNamePayload {}