{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://harness-forge.dev/schemas/runtime/surface-tiers.schema.json",
  "title": "Surface Tiers",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "entries"],
  "properties": {
    "schemaVersion": { "type": "string", "minLength": 1 },
    "entries": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["surfacePath", "tier"],
        "properties": {
          "surfacePath": { "type": "string", "minLength": 1 },
          "tier": { "type": "string", "enum": ["hot", "warm", "cold"] },
          "defaultInclusion": { "type": "boolean" },
          "dropOrderRank": { "type": "number", "minimum": 0 }
        }
      }
    }
  }
}