An unknown phase degrades to working for the reason given on
progressOperationSchema: an unrecognised phase still means work is
under way, and that much is worth showing. complete and failed are
terminal and will not be inferred, so a surface that cannot read a newer
peer's terminal phase leaves the announcement open rather than closing it
wrongly.
Lifecycle phase of a progress operation.
An unknown phase degrades to
workingfor the reason given on progressOperationSchema: an unrecognised phase still means work is under way, and that much is worth showing.completeandfailedare terminal and will not be inferred, so a surface that cannot read a newer peer's terminal phase leaves the announcement open rather than closing it wrongly.