{
  "pack_id": "evv_sb_p002_v1",
  "pack_version": 1,
  "track": "arm_velo",
  "phase_type": "off_season_dev",
  "structure": {
    "days_per_week": 3,
    "total_weeks": 12
  },
  "access": {
    "is_free_trial": false,
    "requires_entitlement": true
  },
  "unlock_model": {
    "pay_in_full_entitlement": "evv.sb.armvelo.off_season.dev.full",
    "installments": [
      {
        "block_id": "wk1_4",
        "weeks": [1, 2, 3, 4],
        "entitlement": "evv.sb.armvelo.off_season.dev.wk1_4"
      },
      {
        "block_id": "wk5_8",
        "weeks": [5, 6, 7, 8],
        "entitlement": "evv.sb.armvelo.off_season.dev.wk5_8"
      },
      {
        "block_id": "wk9_12",
        "weeks": [9, 10, 11, 12],
        "entitlement": "evv.sb.armvelo.off_season.dev.wk9_12"
      }
    ]
  },
  "completion_prompts": {
    "phase_complete": "You’ve built capacity and velocity. Now it’s time to prepare to compete."
  },
  "next_phase": {
    "recommended": {
      "phase_type": "pre_season",
      "pack_id": "evv_sb_p003_v1",
      "block_length_weeks": 4
    }
  }
}