Implement player PoC (#7)

src/Recordingtest.Player/Model/Scenario.cs

@@ -0,0 +1,28 @@
+namespace Recordingtest.Player.Model;
+
+public sealed class Scenario
+{
+    public string Name { get; set; } = string.Empty;
+    public string Description { get; set; } = string.Empty;
+    public SutInfo Sut { get; set; } = new();
+    public List<Step> Steps { get; set; } = new();
+    public List<Checkpoint> Checkpoints { get; set; } = new();
+    public List<Baseline> Baselines { get; set; } = new();
+}
+
+public sealed class SutInfo
+{
+    public string Exe { get; set; } = string.Empty;
+    public int StartupTimeoutMs { get; set; } = 15000;
+}
+
+public sealed class Checkpoint
+{
+    public int AfterStep { get; set; }
+    public string SaveAs { get; set; } = string.Empty;
+}
+
+public sealed class Baseline
+{
+    public string Path { get; set; } = string.Empty;
+}

src/Recordingtest.Player/Model/Step.cs

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+namespace Recordingtest.Player.Model;
+
+public enum StepKind
+{
+    Click,
+    Type,
+    Drag,
+    Hotkey,
+    Wait,
+    Checkpoint,
+    Save,
+}
+
+public sealed class Step
+{
+    public StepKind Kind { get; set; }
+    public Target? Target { get; set; }
+    public string? Value { get; set; }
+    public string? WaitFor { get; set; }
+    public int? AfterStep { get; set; }
+    public string? SaveAs { get; set; }
+}
+
+public sealed class Target
+{
+    public string UiaPath { get; set; } = string.Empty;
+    public double[] Offset { get; set; } = new double[] { 0.5, 0.5 };
+}