[
  {
    "source_lane_id": "school-sample-technical",
    "source_type": "career_office",
    "institution": "Sample Technical University",
    "route": "email",
    "contact": "careers@example.edu",
    "portal_required": false,
    "cost_blocker": false,
    "last_contact_at": "2026-06-09T20:00:00Z",
    "status": "active"
  },
  {
    "source_lane_id": "school-sample-business",
    "source_type": "portal",
    "institution": "Sample Business School",
    "route": "portal",
    "contact": "https://example.edu/employers",
    "portal_required": true,
    "cost_blocker": false,
    "last_contact_at": "2026-06-10T06:00:00Z",
    "status": "portal_required"
  },
  {
    "source_lane_id": "school-sample-engineering",
    "source_type": "career_office",
    "institution": "Sample Engineering Institute",
    "route": "email",
    "contact": "old-careers@example.edu",
    "portal_required": false,
    "cost_blocker": false,
    "last_contact_at": "2026-06-09T22:00:00Z",
    "status": "bounced_route"
  }
]