A turn that ended without finish() left busy=true, so send() returned at line
one for every subsequent click — no fetch, no error, and the original
"starting…" still on screen. That is a hang which produces no request and so
no server-side trace of any kind. It now says what happened, and the pending
indicator carries an elapsed counter so stalled and merely slow look different.
Gmer4Lfe
ae7555a423