Replaced `.single()` with `.maybeSingle()` in multiple command files to handle cases where no record is found, and added a new /pricing route and navigation links to the UI.
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Add new styling and HTML structure for pricing cards to federation.html, and configure Stripe webhook handling in webServer.js to manage subscription events and update server tiers in the database.
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Introduces federation protection listener, expands federation commands, adds federation API endpoints to web server, and updates bot status to 'Protecting the Federation'.
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