Provider configuration (connection pool, schema, refresh interval)
OptionalstartupOptions: StartupOptionsOptional startup mode/filter forwarded to StartupManager.Startup(). Omitted ⇒ 'full' mode (pre-change behavior: all registered engines pre-warm). Entry points should resolve the mode via ResolveStartupMode() so the MJ_STARTUP_MODE/config precedence chain behaves identically everywhere.
Sets up the SQL Server provider and runs MJ startup.