{
  "openapi": "3.1.0",
  "info": {
    "title": "World Echo public landmark API",
    "version": "1.0.0",
    "description": "Read-only evidence-backed research, including explicitly marked candidates."
  },
  "servers": [
    {
      "url": "https://worldecho.beaverstudio.net"
    }
  ],
  "paths": {
    "/api/agent/search": {
      "get": {
        "operationId": "searchLandmarks",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "schema": {
              "type": "string",
              "maxLength": 200
            }
          },
          {
            "name": "limit",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 50,
              "default": 10
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Records with status and field-level sources"
          }
        }
      }
    },
    "/api/agent/cases/{id}": {
      "get": {
        "operationId": "getLandmark",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Research record and sources"
          },
          "404": {
            "description": "Unknown ID"
          }
        }
      }
    }
  }
}