{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.bailinghub.com/schemas/tool-definition.schema.json",
  "title": "Bailing ToolDefinition",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schemaVersion",
    "name",
    "source",
    "method",
    "path",
    "description",
    "scope",
    "risk",
    "confirmRequired",
    "rateLimitPerMin",
    "requiresSubject",
    "sensitive",
    "readonly",
    "idempotent",
    "timeoutMs",
    "confirmPrompt",
    "context",
    "extensions",
    "inputSchema",
    "paramIn"
  ],
  "properties": {
    "schemaVersion": { "const": "bailing.tool-definition.v1" },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "pattern": "^[A-Za-z_][A-Za-z0-9_]{0,63}$"
    },
    "source": {
      "type": "string",
      "enum": ["openapi", "overlay", "sdk", "mcp", "manual"]
    },
    "method": {
      "type": "string",
      "enum": ["GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"]
    },
    "path": {
      "type": "string",
      "minLength": 1,
      "pattern": "^/"
    },
    "description": {
      "type": "string",
      "minLength": 1,
      "maxLength": 500
    },
    "scope": {
      "type": "string",
      "minLength": 1,
      "maxLength": 191
    },
    "risk": {
      "type": "string",
      "enum": ["low", "medium", "high"]
    },
    "confirmRequired": { "type": "boolean" },
    "rateLimitPerMin": {
      "type": "integer",
      "minimum": 0
    },
    "requiresSubject": { "type": "boolean" },
    "sensitive": { "type": "boolean" },
    "readonly": { "type": "boolean" },
    "idempotent": { "type": "boolean" },
    "timeoutMs": {
      "type": "integer",
      "minimum": 0,
      "maximum": 60000
    },
    "confirmPrompt": {
      "type": "string",
      "maxLength": 200
    },
    "confirmWhen": {
      "type": "array",
      "maxItems": 20,
      "items": { "$ref": "#/$defs/confirmCondition" }
    },
    "context": {
      "type": "array",
      "maxItems": 50,
      "items": { "type": "string", "minLength": 1, "maxLength": 100 }
    },
    "extensions": {
      "type": "object",
      "propertyNames": {
        "pattern": "^x-(ai|bailing|business)-"
      },
      "additionalProperties": true
    },
    "inputSchema": {
      "type": "object",
      "description": "JSON Schema object passed to LLM/tool callers.",
      "required": ["type", "properties"],
      "properties": {
        "type": { "const": "object" },
        "properties": { "type": "object" },
        "required": {
          "type": "array",
          "items": { "type": "string" },
          "uniqueItems": true
        }
      },
      "additionalProperties": true
    },
    "paramIn": {
      "type": "object",
      "additionalProperties": {
        "type": "string",
        "enum": ["query", "body", "path", "header"]
      }
    }
  },
  "$defs": {
    "confirmCondition": {
      "type": "object",
      "additionalProperties": false,
      "required": ["param", "op"],
      "properties": {
        "param": { "type": "string", "minLength": 1, "maxLength": 191 },
        "op": {
          "type": "string",
          "enum": [">", ">=", "<", "<=", "==", "!=", "equals", "not_equals", "in", "not_in", "exists", "not_empty", "equals_subject", "not_equals_subject", "equals_subject_tenant", "not_equals_subject_tenant"]
        },
        "value": true,
        "label": { "type": "string", "minLength": 1, "maxLength": 120 }
      }
    },
    "diagnostic": {
      "type": "object",
      "additionalProperties": false,
      "required": ["severity", "path", "code", "message"],
      "properties": {
        "severity": {
          "type": "string",
          "enum": ["error", "warning", "info"]
        },
        "path": { "type": "string", "minLength": 1 },
        "code": { "type": "string", "minLength": 1 },
        "message": { "type": "string", "minLength": 1 },
        "suggestion": { "type": "string", "minLength": 1 }
      }
    },
    "compileResult": {
      "type": "object",
      "additionalProperties": false,
      "required": ["tools", "diagnostics"],
      "properties": {
        "tools": {
          "type": "array",
          "items": { "$ref": "#" }
        },
        "diagnostics": {
          "type": "array",
          "items": { "$ref": "#/$defs/diagnostic" }
        }
      }
    }
  }
}