my partner played with someone i didnt approve while she was in melbourne... how do we come back from this

shes been working in melbourne for the past 5 months. we agreed she could play solo but only with ppl shed run by me first via text. last week she told me she ended up with a couple shed met that night, no advance approval, and she just... did it. she says she felt weird telling me after but better than lying. im trying to be the chill open partner but honestly i feel like a rule got broken and now i dont know if i trust her judgement when shes that far away. how do other ldr couples handle a rule break during distance. is the trust recoverable or is this gonna shadow the rest of the posting...