There is a current bug with the change to halc traps, they are being removed even though no offensive actions are being taken at all. It is claimed thta base attacks dont count as offensive actions in these cases so they shouldnt be removed after an attack. For the last week since the change ive had a halc trap on at all times yet its stoped no one and doesnt even show a record of it being set off. I havnt had any offensive action in that time period either making the trap effectively useless since the change.

it's confirmed that base attacks do not drop halc trap or halc aura... we can let that argument rest

have you looked back through your newsfeed slowly to make sure nobody has tripped your halc when you weren't looking?
have you attacked anyone's planets?
have you hacked or raided anyone?
have you used any spy probes on anyone?
have you used any artifacts at all?

if you are unable to find what you are doing to drop the trap, you'll have to contact Dan through the link at the bottom of the game to have him look at your account to see what's going on