4ea57b2068
- AppSettings class in Api and Worker with SectionName constant - appsettings.json: replaced ConnectionStrings section with App section - Program.cs: bind AppSettings at startup, register as singleton - Connection string now sourced from AppSettings.ConnectionString Ref: IT-628 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>