Dynamics 365 Business Central: Development - Diagnose AL MCP server activity with file logging

<p>"Write AL MCP server diagnostics to a configurable file, select the appropriate detail level for troubleshooting, or turn file logging off when it isn't required.</p> <p>Business value: Developers and administrators can retain AL MCP server diagnostics for troubleshooting intermittent failures and reviewing agent activity. Configurable verbosity helps capture detailed information during investigation without permanently producing excessive logs."</p>