Oddly enough, the Signaling tag is currently awaiting a merge between the description you quoted, and a description imported from the old wiki, which links to and quotes the Scott Alexander post you referenced. (You can see both in the edit history; it looks a bit weird because there’s a revision written in the context of the tagging system before we imported stuff, which was written in isolation, but presented as though it were a diff relative to the imported, older wiki page.)
Oddly enough, the Signaling tag is currently awaiting a merge between the description you quoted, and a description imported from the old wiki, which links to and quotes the Scott Alexander post you referenced. (You can see both in the edit history; it looks a bit weird because there’s a revision written in the context of the tagging system before we imported stuff, which was written in isolation, but presented as though it were a diff relative to the imported, older wiki page.)