chore: Keep Input System setup guidance consistent

Assets/Tests/Editor/InputSystemPackageRequirementMessageTests.cs

@@ -0,0 +1,34 @@
+#nullable enable
+using NUnit.Framework;
+
+using io.github.hatayama.UnityCliLoop.FirstPartyTools;
+
+namespace io.github.hatayama.UnityCliLoop.Tests.Editor
+{
+    /// <summary>
+    /// Verifies missing Input System package warning text shared by first-party input tools.
+    /// </summary>
+    [TestFixture]
+    public sealed class InputSystemPackageRequirementMessageTests
+    {
+        [TestCase(
+            "simulate-keyboard",
+            "simulate-keyboard requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.")]
+        [TestCase(
+            "simulate-mouse-input",
+            "simulate-mouse-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.")]
+        [TestCase(
+            "record-input",
+            "record-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.")]
+        [TestCase(
+            "replay-input",
+            "replay-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.")]
+        public void Format_WithToolName_ReturnsExistingWarningMessage(string toolName, string expected)
+        {
+            // Verifies the shared formatter preserves the existing wire-visible warning text.
+            string result = InputSystemPackageRequirementMessage.Format(toolName);
+
+            Assert.That(result, Is.EqualTo(expected));
+        }
+    }
+}

Packages/src/Editor/FirstPartyTools/Common/InputSystem/InputSystemPackageRequirementMessage.cs

@@ -0,0 +1,20 @@
+#nullable enable
+using System.Diagnostics;
+
+namespace io.github.hatayama.UnityCliLoop.FirstPartyTools
+{
+    /// <summary>
+    /// Formats the shared missing Input System package warning for first-party input tools.
+    /// </summary>
+    internal static class InputSystemPackageRequirementMessage
+    {
+        private const string MissingPackageRequirement =
+            "requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.";
+
+        public static string Format(string toolName)
+        {
+            Debug.Assert(!string.IsNullOrEmpty(toolName), "toolName must identify the CLI tool.");
+            return $"{toolName} {MissingPackageRequirement}";
+        }
+    }
+}

Packages/src/Editor/FirstPartyTools/RecordInput/RecordInputUseCase.cs

@@ -41,7 +41,7 @@ public async Task<RecordInputResponse> RecordInputAsync(
             return new RecordInputResponse
             {
                 Success = false,
-                Message = "record-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.",
+                Message = InputSystemPackageRequirementMessage.Format("record-input"),
                 Action = request.Action.ToString()
             };
 #else

Packages/src/Editor/FirstPartyTools/ReplayInput/ReplayInputUseCase.cs

@@ -38,7 +38,7 @@ public async Task<ReplayInputResponse> ReplayInputAsync(
             return new ReplayInputResponse
             {
                 Success = false,
-                Message = "replay-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.",
+                Message = InputSystemPackageRequirementMessage.Format("replay-input"),
                 Action = request.Action.ToString()
             };
 #else

Packages/src/Editor/FirstPartyTools/SimulateKeyboard/SimulateKeyboardUseCase.cs

@@ -43,7 +43,7 @@ public async Task<SimulateKeyboardResponse> ExecuteAsync(
             return new SimulateKeyboardResponse
             {
                 Success = false,
-                Message = "simulate-keyboard requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.",
+                Message = InputSystemPackageRequirementMessage.Format("simulate-keyboard"),
                 Action = parameters.Action.ToString()
             };
 #else

Packages/src/Editor/FirstPartyTools/SimulateMouseInput/SimulateMouseInputUseCase.cs

@@ -44,7 +44,7 @@ public async Task<SimulateMouseInputResponse> ExecuteAsync(
             return new SimulateMouseInputResponse
             {
                 Success = false,
-                Message = "simulate-mouse-input requires the Input System package (com.unity.inputsystem). Install it via Package Manager and set Active Input Handling to 'Input System Package (New)' or 'Both' in Player Settings.",
+                Message = InputSystemPackageRequirementMessage.Format("simulate-mouse-input"),
                 Action = parameters.Action.ToString()
             };
 #else