feat(server): add command-line argument parsing for transport and port

- Add sys.argv parsing to main() function
- Support --transport argument to choose between stdio and http
- Support --port argument for HTTP transport
- Add __main__ block to allow direct execution

Enables running the MCP server via uvx with transport and port
options: uvx spec-driven-development-mcp --transport http --port 8000

Author: ryderstorm

server.py

@@ -4,6 +4,8 @@
 The 'mcp' instance is automatically discovered by the FastMCP CLI.
 """
 
+import sys
+
 from mcp_server import create_app
 
 # Create the MCP server instance
@@ -17,6 +19,31 @@ def main() -> None:
     This function is called when the package is installed and run via:
         uvx spec-driven-development-mcp
 
-    It runs the MCP server using stdio transport.
+    It runs the MCP server using stdio transport by default, or http transport
+    if --transport http is passed as an argument.
     """
-    mcp.run()
+    # Parse command line arguments
+    transport = "stdio"
+    port = 8000
+    args = sys.argv[1:]
+
+    # Simple argument parsing for transport and port
+    if "--transport" in args:
+        idx = args.index("--transport")
+        if idx + 1 < len(args):
+            transport = args[idx + 1]
+
+    if "--port" in args:
+        idx = args.index("--port")
+        if idx + 1 < len(args):
+            port = int(args[idx + 1])
+
+    # Run the server with the specified transport
+    if transport == "http":
+        mcp.run(transport="http", port=port)
+    else:
+        mcp.run()
+
+
+if __name__ == "__main__":
+    main()