[2026-06-10 21:35:32] local.WARNING: FCM send failed {"firebase_config":"firebase","project_id":"spares-hub","message":"HTTP request returned status code 404:
{
  \"error\": {
    \"code\": 404,
    \"message\": \"Requested entity was not found.\",
    \"status\": \"NOT_FOUND\",
    \"detail (truncated...)
","token_tail":"OpTkoSjc"} 
[2026-06-10 21:36:17] local.WARNING: FCM send failed {"firebase_config":"firebase","project_id":"spares-hub","message":"HTTP request returned status code 404:
{
  \"error\": {
    \"code\": 404,
    \"message\": \"Requested entity was not found.\",
    \"status\": \"NOT_FOUND\",
    \"detail (truncated...)
","token_tail":"OpTkoSjc"} 
[2026-06-10 21:42:55] local.INFO: FCM send success {"firebase_config":"firebase","project_id":"spares-hub","token_tail":"s_j6Ns60"}