{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.kxm.dev/role.schema.json",
  "title": "KXM role",
  "description": "Live kxm.role.v2 role. Specialty identity is separate from purpose. Roster order is configured preference, not a measured ranking.",
  "type": "object",
  "required": ["schema", "purpose", "permission", "description", "roster"],
  "additionalProperties": false,
  "properties": {
    "schema": { "const": "kxm.role.v2" },
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$",
      "minLength": 1,
      "maxLength": 64
    },
    "extends": { "$ref": "common.schema.json#/$defs/identifier" },
    "purpose": {
      "enum": ["writer", "planner", "reviewer-arch", "reviewer-cli", "experiment"]
    },
    "permission": { "enum": ["edit", "read-only"] },
    "description": { "type": "string", "minLength": 1, "maxLength": 2000 },
    "roster": {
      "type": "array",
      "maxItems": 32,
      "items": {
        "type": "object",
        "required": ["route"],
        "additionalProperties": false,
        "properties": {
          "route": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$",
            "minLength": 1,
            "maxLength": 64
          },
          "effort": {
            "enum": ["off", "minimal", "low", "medium", "high", "xhigh", "max"]
          },
          "mode": { "enum": ["headless", "interactive", "either"] }
        }
      }
    },
    "skills": {
      "type": "array",
      "items": { "type": "string", "minLength": 1, "maxLength": 128 },
      "maxItems": 64
    },
    "tools": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "preset": { "type": "string" },
        "allow": { "type": "array", "items": { "type": "string" } },
        "deny": { "type": "array", "items": { "type": "string" } }
      }
    },
    "produces": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["template"],
        "additionalProperties": false,
        "properties": {
          "template": { "type": "string" },
          "schema": { "type": "string" }
        }
      }
    },
    "consumes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["template"],
        "additionalProperties": false,
        "properties": {
          "template": { "type": "string" },
          "schema": { "type": "string" }
        }
      }
    },
    "policy": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "vendorIndependenceRequired": { "type": "boolean" },
        "maxTransitions": { "type": "integer", "minimum": 1 },
        "requiresGateVerification": { "type": "boolean" },
        "fallback": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "onError": {
              "type": "array",
              "items": { "enum": ["rate_limit", "transport", "provider_unavailable", "context_overflow"] },
              "uniqueItems": true,
              "default": []
            },
            "maxSwitches": { "type": "integer", "minimum": 0 },
            "revert": { "enum": ["next_run", "never"] }
          }
        }
      }
    }
  }
}