Implement player PoC (#7)

tests/Recordingtest.Player.Tests/FakePlayerHost.cs

@@ -0,0 +1,38 @@
+namespace Recordingtest.Player.Tests;
+
+internal sealed class FakePlayerHost : IPlayerHost
+{
+    public Func<string, ResolvedElement?> ResolveImpl { get; set; } =
+        _ => new ResolvedElement(new ElementBounds(100, 200, 50, 40), null);
+    public Func<string, bool> WaitForImpl { get; set; } = _ => true;
+
+    public List<ScreenPoint> Clicks { get; } = new();
+    public List<string> Types { get; } = new();
+    public List<(ScreenPoint From, ScreenPoint To)> Drags { get; } = new();
+    public List<string> Hotkeys { get; } = new();
+    public List<(int AfterStep, string SaveAs)> Checkpoints { get; } = new();
+    public List<(int StepIndex, string Reason)> Failures { get; } = new();
+    public List<string> Resolved { get; } = new();
+    public List<string> WaitedFor { get; } = new();
+
+    public ResolvedElement? ResolveElement(string uiaPath, TimeSpan timeout)
+    {
+        Resolved.Add(uiaPath);
+        return ResolveImpl(uiaPath);
+    }
+
+    public bool WaitFor(string waitForHint, TimeSpan timeout)
+    {
+        WaitedFor.Add(waitForHint);
+        return WaitForImpl(waitForHint);
+    }
+
+    public void Click(ScreenPoint point) => Clicks.Add(point);
+    public void Type(string text) => Types.Add(text);
+    public void Drag(ScreenPoint from, ScreenPoint to) => Drags.Add((from, to));
+    public void Hotkey(string keys) => Hotkeys.Add(keys);
+    public void CaptureCheckpoint(int afterStep, string saveAs) =>
+        Checkpoints.Add((afterStep, saveAs));
+    public void CaptureFailureArtifacts(int stepIndex, string reason) =>
+        Failures.Add((stepIndex, reason));
+}