curl https://api.intellibase.dev/api/v1/projects \
  -H "Authorization: Bearer ib-your-api-key"

{
  "projects": [
    {
      "project_id": "proj-abc123",
      "name": "Engineering Knowledge Base",
      "mode": "kg_vector",
      "created_at": "2024-01-15T10:30:00Z",
      "ontology": {
        "name": "Software Engineering",
      }
    },
    {
      "project_id": "proj-xyz789",
      "name": "Document Search",
      "mode": "vector_only",
      "created_at": "2024-01-10T09:00:00Z",
      "ontology": null
    }
  ]
}