Show the window before slow location probes and wrap git.exe for commit, diff, and merge.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Explorer.Domain.Tests/DomainTests.cs

@@ -438,3 +438,88 @@ public class FileClassifierTests
     private static FileCategory Classify(string name, bool isDirectory = false, bool isRepoRoot = false)
         => FileClassifier.Classify(name, @"C:\Downloads\" + name, isDirectory, isDirectory ? AttributeFlags.Directory : 0, isRepoRoot).Category;
 }
+
+public class GitChangeTests
+{
+    [Fact]
+    public void Rename_and_delete_labels()
+    {
+        var renamed = new GitChange
+        {
+            Path = "new.txt",
+            OriginalPath = "old.txt",
+            Index = 'R',
+            WorkTree = '.',
+            State = GitChangeState.Staged
+        };
+        Assert.Equal("old.txt → new.txt", renamed.DisplayPath);
+        Assert.Equal("renamed", renamed.ChangeLabel);
+        Assert.Equal(@"C:\src\new.txt", renamed.ToFullPath(@"C:\src"));
+        Assert.False(renamed.IsDeleted);
+
+        var deleted = new GitChange
+        {
+            Path = "gone.txt",
+            Index = '.',
+            WorkTree = 'D',
+            State = GitChangeState.Unstaged
+        };
+        Assert.True(deleted.IsDeleted);
+        Assert.Equal("deleted", deleted.ChangeLabel);
+    }
+}
+
+public class BoundedWaitTests
+{
+    [Fact]
+    public void Try_returns_the_result_when_work_finishes()
+        => Assert.True(BoundedWait.Try(() => true, TimeSpan.FromSeconds(1)));
+
+    [Fact]
+    public void Try_returns_false_when_work_exceeds_the_timeout()
+        => Assert.False(BoundedWait.Try(
+            () =>
+            {
+                Thread.Sleep(250);
+                return true;
+            },
+            TimeSpan.FromMilliseconds(30)));
+}
+
+public class GitCommandResultTests
+{
+    [Fact]
+    public void Display_prefers_summary_then_stderr_on_failure()
+    {
+        Assert.Equal("Committed.", GitCommandResult.Ok("Committed.").DisplayMessage);
+        Assert.Equal(
+            "not a fast-forward",
+            new GitCommandResult
+            {
+                Succeeded = false,
+                ExitCode = 1,
+                StandardError = "not a fast-forward\n"
+            }.DisplayMessage);
+        Assert.Equal("git failed (exit 128).", new GitCommandResult
+        {
+            Succeeded = false,
+            ExitCode = 128
+        }.DisplayMessage);
+    }
+}
+
+public class GitStatusBadgeTests
+{
+    [Fact]
+    public void Includes_merging_instead_of_clean()
+    {
+        var status = new GitStatus
+        {
+            RepoRoot = @"C:\src",
+            Branch = "main",
+            Operation = GitOperationKind.Merge
+        };
+        Assert.Equal("main · merging", status.Badge);
+        Assert.Equal("merging", status.OperationLabel);
+    }
+}