Add the home dir command to the preprocessor

Author: CapulusCodeNinja

mcp_nexus/Utilities/CommandPreprocessor.cs

@@ -179,7 +179,7 @@ private static bool ShouldSkipSymbolPathToken(string token)
             return false;
         }
 
-        [GeneratedRegex(@"/mnt/[a-zA-Z]/[^\s;""]+", RegexOptions.Compiled)]
+        [GeneratedRegex(@"/mnt/[^/\s;""]+/[^\s;""]*", RegexOptions.Compiled)]
         private static partial Regex MyRegex();
     }
 }

mcp_nexus_tests/Mocks/MockWslPathConverter.cs

@@ -42,12 +42,15 @@ public bool TryConvertToWindowsPath(string wslPath, out string windowsPath)
         public Dictionary<string, string> LoadFstabMappings()
         {
             // Return standard /mnt/c -> C:\ and /mnt/d -> D:\ mappings
+            // Also include multi-character mount points for testing
             return new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
             {
                 { "/mnt/c", "C:\\" },
                 { "/mnt/d", "D:\\" },
                 { "/mnt/e", "E:\\" },
-                { "/mnt/f", "F:\\" }
+                { "/mnt/f", "F:\\" },
+                { "/mnt/analysis", "C:\\analysis" },
+                { "/mnt/share", "C:\\share" }
             };
         }
     }

mcp_nexus_tests/Utilities/CommandPreprocessorTests.cs

@@ -205,6 +205,9 @@ public void PreprocessCommand_WithExistingDirectory_DoesNotFail()
         [InlineData("!homedir C:\\my\\home\\dir", "!homedir C:\\my\\home\\dir")]
         [InlineData("!homedir \"C:\\my\\home\\dir\"", "!homedir \"C:\\my\\home\\dir\"")]
         [InlineData("!homedir /mnt/c/my/home/dir", "!homedir C:\\my\\home\\dir")]
+        [InlineData("!homedir /mnt/analysis/test-path", "!homedir C:\\analysis\\test-path")]
+        [InlineData("!homedir /mnt/share/folder", "!homedir C:\\share\\folder")]
+        [InlineData("!homedir \"/mnt/share/folder\"", "!homedir \"C:\\share\\folder\"")]
         [InlineData("!HOMEDIR C:\\test", "!HOMEDIR C:\\test")]
         public void PreprocessCommand_Homedir_ConvertsWslPaths(string input, string expected)
         {