Added detailed instruction files for configuration, controller structure, C# standards, OCORE library usage, ImageSharp licensing, and testing. These documents define rules for settings, DI, file layout, package management, and test practices to ensure consistency and compliance during the .NET 10 migration.
Replaces legacy email/SMS logic with a new IComService abstraction using the ProcessWeb Mailer API for all outbound communication. Removes FuchsFdsEmail, FuchsEmailService, IEmailService, SmtpAccountSettings, and FuchsEmailSettings. Updates controllers to use IComService. Refactors appsettings.json to use a new "Mailer" section. Adds ProcessWebComSettings and a stub for secret management. Removes OCORE.sms.SMS77 and direct SMTP/MailKit usage. Cleans up solution file references to OCORE projects.