The TVTropes Trope Finder is where you can come to ask questions like "Do we have this one?" and "What's the trope about...?" Trying to rediscover a long lost show or other medium but need a little help? Head to Media Finder and try your luck there. Want to propose a new trope? You should be over at You Know, That Thing Where.
Not necessarily, as Bob may be operating independently of Alice and may have learned/done whatever it is of his own accord without knowing that Alice would be involved.
Improbably Predictable maybe?
Edit: if Alice's idea/suggestion is weird or outlandish, but Bob already came up with the same idea himself, that would be covered by Strange Minds Think Alike.
Edited by FlorestanAlso Already the Case
We can never truly eradicate the coronavirus, but we can suppress its threat like influenza
Alice goes to tell Bob something or ask him to do something for her — only to find that he already knows what she was gonna tell him or he already did what she was gonna ask him to.