pr suggestions

ElementX/Sources/Application/Settings/AudioPlaybackSpeed.swift

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+//
+// Copyright 2026 Element Creations Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+enum AudioPlaybackSpeed: Float, CaseIterable, Codable {
+    case `default` = 1.0
+    case fast = 1.5
+    case fastest = 2.0
+    case slow = 0.5
+    
+    var label: String {
+        switch self {
+        case .default, .fastest:
+            rawValue.formatted(.number.precision(.fractionLength(0))) + "×"
+        case .fast, .slow:
+            rawValue.formatted(.number.precision(.fractionLength(1))) + "×"
+        }
+    }
+    
+    var placeholder: String {
+        0.0.formatted(.number.precision(.fractionLength(1))) + "×"
+    }
+    
+    var next: Self {
+        guard let index = Self.allCases.firstIndex(of: self) else {
+            return .default
+        }
+        return Self.allCases[(index + 1) % Self.allCases.count]
+    }
+}