The mix of text-based communication with real-time combat makes trap-detectors in combat ineffective when conveying to your party members where traps are can be key avoiding a bad time.
To get around this, perhaps some sort of player tool or spell-like ability could be created that serves to act as/represent the action of yelling out the identification/location of a trap?
Some ways of how this could be mechanically implemented:
On a successful roll (that could involve various skills and abilities, search, persuade, intelligence, wisdom, and/or charisma), the trap could be flagged as detected so it is now visible to everyone.
To make things more complex but realistic, success of such a roll could instead lower the detection DC of the trap, making other characters more likely to see it.
Alternatively, success of the initial roll could give friendly/neutral (language speaking) creatures in a radius a temporary bonus to their search skills so that it matches the search skill of the ability user (or up to a certain percentage of the ability user's search skill).