Proxy backend added a new status per step "skipped" #38

{
  "tracking_status": "running",
  "claim_status": "claimed",

 (...)

{
      "step_index": 3,
      "step_name": "WaitL1SettledGER",
      "status": "skipped",
      "start_date": "2026-09-16T11:26:55.110064841+02:00",
      "end_date": "2026-09-16T11:26:55.110064841+02:00",
      "error": {
        "error_type": 0,
        "error_type_string": "transient",
        "retry_count": 1,
        "description": [
          "L1 info tree index for GER: fetching L1 info tree leaf for GER 0x7772b4e8231ae83bb6cd34fdded6f8644e6dc7802bdafea15699bc5b2f4c91f4: do request: Get \"http://http:5577//bridge/v1/l1-info-tree-leaf-by-ger?global_exit_root=0x7772b4e8231ae83bb6cd34fdded6f8644e6dc7802bdafea15699bc5b2f4c91f4&network_id=0\": dial tcp: lookup http on 127.0.0.53:53: server misbehaving"
        ]
      }
    },
    {
      "step_index": 4,
      "step_name": "WaitingGERInjection",
      "status": "skipped",
      "end_date": "2026-09-16T11:26:55.110064841+02:00",

    },