[Bug]: Health `currentRole` is inconsistent with the rest of the health report

[JerryNixon]

What?

Rename currentRole to current-role to have consistent naming.

Current /health output

{
  "status": "Healthy",
  "version": "2.0.0",
  "app-name": "dab_oss_2.0.0",
  "timestamp": "2026-03-15T21:29:03.3354392Z",
  "currentRole": "anonymous", // this is what I am talking about
  "configuration": {
    "rest": true,
    "graphql": true,
    "mcp": true,
    "caching": false,
    "telemetry": false,
    "mode": "Development"
  },
  "checks": [
[snip]
  ]
}