Expand description
User-scope install destination for VSIX unpacks. Matches the user-scope
scan path in Binary/Extension/ScanPathConfigure.rs so VSIX-installed
extensions are discovered on the next Mountain boot without a sync step.
Resolution order (honours Atom V1 Lodge):
$Lodge- explicit per-operator override. Leading~/expands against$HOME.$HOME/.land/extensions- VS Code-style user-scope default../extensions- fallback when$HOMEis unavailable.