Extract IHardwareMonitorService, ILogger, IRemoteWebServer interfaces

Define interfaces over the three domain services that the view model hard-news
today (the testability blocker). Concrete types implement the new interfaces;
no wiring or behavior change yet.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

LibreHardwareMonitor.Windows.WinUI/Services/IHardwareMonitorService.cs

@@ -0,0 +1,58 @@
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+// Copyright (C) LibreHardwareMonitor and Contributors.
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using LibreHardwareMonitor.Hardware;
+using LibreHardwareMonitor.Windows.WinUI.ViewModels;
+
+namespace LibreHardwareMonitor.Windows.WinUI.Services;
+
+/// <summary>
+/// Owns the <see cref="Hardware.Computer" /> lifecycle and the sensor tree, exposing the surface the
+/// view model needs. Extracted as an interface so the view model can be unit-tested with a fake.
+/// </summary>
+public interface IHardwareMonitorService : IDisposable
+{
+    event EventHandler? TreeRebuilt;
+
+    Computer Computer { get; }
+
+    object SensorReadLock { get; }
+
+    SensorTreeItemViewModel Root { get; }
+
+    bool IsMotherboardEnabled { get; set; }
+
+    bool IsCpuEnabled { get; set; }
+
+    bool IsMemoryEnabled { get; set; }
+
+    bool IsGpuEnabled { get; set; }
+
+    bool IsPowerMonitorEnabled { get; set; }
+
+    bool IsControllerEnabled { get; set; }
+
+    bool IsStorageEnabled { get; set; }
+
+    bool IsNetworkEnabled { get; set; }
+
+    bool IsPsuEnabled { get; set; }
+
+    bool IsBatteryEnabled { get; set; }
+
+    bool ForceDriveWakeup { get; set; }
+
+    Task OpenAsync(bool raiseTreeRebuilt = true, CancellationToken cancellationToken = default);
+
+    void Reset();
+
+    Task UpdateAsync();
+
+    void ResetMinMax();
+
+    void ClearSensorValues();
+}