CONF Hastings_SCSMATHCII2026_2026/IDIAP "I'm Right Here With You": LLMs Using First-Person Language in Therapeutic Interactions Hastings, Janna Social Computing and Social Media: 18th International Conference, SCSM 2026, Held as Part of the 28th HCI International Conference, HCII 2026, Montreal, QC, Canada, July 26?31, 2026, Proceedings, Part II 2026