Create Rate Limit Override

Create a new rate limit override for an org or user.

This endpoint requires internal API key authentication.

Example request:

{
  "identifier": "org:org_123",
  "endpointLimits": {
    "generation": {
      "maxTokens": 100,
      "refillRatePerSecond": 5.0
    },
    "status": {
      "maxTokens": 200,
      "refillRatePerSecond": 50.0
    }
  },
  "note": "Enterprise plan with higher limits"
}