{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://github.com/Guffawaffle/lex/schemas/cli-output.v1.schema.json",
  "title": "Lex CLI Output Event v1",
  "description": "Canonical schema for CLI output events emitted by Lex commands. All JSONL lines conform to this schema.",
  "type": "object",
  "required": [
    "v",
    "ts",
    "level"
  ],
  "properties": {
    "v": {
      "const": 1,
      "description": "Schema version (always 1 for v1)"
    },
    "ts": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp"
    },
    "level": {
      "type": "string",
      "enum": [
        "info",
        "warn",
        "error",
        "success",
        "debug"
      ],
      "description": "Severity level"
    },
    "scope": {
      "type": "string",
      "description": "Optional source scope (e.g., 'cli:remember')"
    },
    "code": {
      "type": "string",
      "description": "Optional machine-readable code (e.g., 'MEM_WRITE_OK')"
    },
    "message": {
      "type": "string",
      "maxLength": 100,
      "description": "Optional short human-readable text"
    },
    "data": {
      "description": "Optional arbitrary payload (object or primitive)"
    },
    "hint": {
      "type": "string",
      "description": "Optional human-readable hint (printed to stderr)"
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "v": 1,
      "ts": "2025-11-22T08:00:00.000Z",
      "level": "info",
      "scope": "cli:remember",
      "code": "MEM_WRITE_OK",
      "message": "Memory saved successfully",
      "data": {
        "id": "abc123",
        "count": 1
      },
      "hint": "Use --verbose for more details"
    },
    {
      "v": 1,
      "ts": "2025-11-22T08:00:00.000Z",
      "level": "error",
      "message": "Operation failed"
    },
    {
      "v": 1,
      "ts": "2025-11-22T08:00:00.000Z",
      "level": "success"
    }
  ]
}