Were you logged in inside the app? Or the web site for that matter? Or autofill of sorts added it in? I can't imagine it's smart enough to locate a particular John Smith out of 10,000 John Smiths
This definitely requires some more testing to determine any workarounds given the disappearance of most WGA fares once inside 7 days.
Any blowback from the hand slap, i.e. "better not do it again"? I could try some pure points booking tests in the near future.