Build initial MCP SSH server

tests/McpSsh.Tests/RemoteShellCommandTests.cs

@@ -0,0 +1,20 @@
+using McpSsh.Server.Ssh;
+
+namespace McpSsh.Tests;
+
+public sealed class RemoteShellCommandTests
+{
+    [Fact]
+    public void Build_ReturnsCommandWhenCwdIsMissing()
+    {
+        Assert.Equal("pwd", RemoteShellCommand.Build("pwd", null));
+    }
+
+    [Fact]
+    public void Build_PrependsQuotedCwd()
+    {
+        var command = RemoteShellCommand.Build("ls", "/srv/app's/current");
+
+        Assert.Equal("cd '/srv/app'\\''s/current' && ls", command);
+    }
+}