I've tried adding your automation to be used with a Tapo C310, but I get no notification (running the automation manually ends up the same way) at all on my mobile.
Device looks correct so maybe the sensor is not working somehow?
Automation:
alias: Persona rilevata
description: Rilevamento persone Tapo C310 (Avanti)
use_blueprint:
path: apollo1220/camera_detection_notification.yaml
input:
notify_device: 573babd5445619779f6e7cc282a8b0e9
camera: camera.tapo_c310_avanti_hd_stream
person_sensor: select.tapo_c310_avanti_person_detection
store_location: avanti
no_motion_wait: 10
Camera person sensor:

I've tried adding your automation to be used with a Tapo C310, but I get no notification (running the automation manually ends up the same way) at all on my mobile.
Device looks correct so maybe the sensor is not working somehow?
Automation:
Camera person sensor:
