* fix: Changed flag management to EditorPrefs
* refactor: Improve code readability and error handling in MCP window toggle
* fix: Refactor MCP window toggle logic to use new helper methods for better readability and maintainability
* fix: Reorder using directives and improve error logging format in MCP window
* Address CodeRabbit feedback: use McpLog.Warn and guard against repeated CreateGUI calls
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Co-authored-by: David Sarno <david@lighthaus.us>
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