Windows filesystem MCP enhancements

src/filesystem/README.md

@@ -77,6 +77,7 @@ The server's directory access control follows this flow:
     - `head` (number, optional): First N lines
     - `tail` (number, optional): Last N lines
   - Always treats the file as UTF-8 text regardless of extension
+  - Cannot specify both `head` and `tail` simultaneously
 
 - **read_media_file**
   - Read an image or audio file
@@ -123,6 +124,23 @@ The server's directory access control follows this flow:
   - List directory contents with [FILE] or [DIR] prefixes
   - Input: `path` (string)
 
+- **list_directory_with_sizes**
+  - List directory contents with [FILE] or [DIR] prefixes, including file sizes
+  - Inputs:
+    - `path` (string): Directory path to list
+    - `sortBy` (string, optional): Sort entries by "name" or "size" (default: "name")
+  - Returns detailed listing with file sizes and summary statistics
+  - Shows total files, directories, and combined size
+
+- **directory_tree**
+  - Get a recursive tree view of files and directories as a JSON structure
+  - Input: `path` (string): Starting directory path
+  - Returns JSON structure with:
+    - `name`: File/directory name
+    - `type`: "file" or "directory"
+    - `children`: Array of child entries (for directories only)
+  - Output is formatted with 2-space indentation for readability
+
 - **move_file**
   - Move or rename files and directories
   - Inputs: