When a girl texts “hehe”, is she flirting?

Been talking to a girl for about two months now. We have gone out to dinner and she has come over to my place to watch the MLB playoffs. We have been planning a time to get together again. She sent me this last night “ We should hang out one day and watch true crime stuff together. Hehe.” I texted how agreed with her and then she replied “Yes. That would be great. I can come over again. Hehe.”

When she typed “hehe”, is she flirting with me? It feels like it and I not sure if she is trying to suggest something else.

When a girl texts “hehe”, is she flirting?
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