ReadonlyhasTrue when any workspace folder uses a scheme other than file.
ReadonlyisWhether the workspace is trusted.
ReadonlyremoteRemote authority name, or undefined when local.
ReadonlyuiDesktop or browser/worker extension host.
ReadonlyworkspaceNumber of open workspace folders. Zero means no folder is open.
The host facts runtime preflight checks a module's requirements against.
Read once at activation. These cannot be known at definition time, which is why preflight is two-stage: identity and the service graph are checked when the plan compiles, and this is checked when the host starts.