LAML MCP Server

import * as yaml from 'yaml'; import { ValidationContext } from '../types.js'; /** * Validates that $meta section is positioned first in the YAML document * This validation is in addition to the one in validateMandatorySections * to ensure strict ordering compliance */ export function validateMetaPosition(context: ValidationContext): void { const { document, session, autoFixManager } = context; if (!document.contents || !yaml.isMap(document.contents)) { return; } const rootMap = document.contents; if (rootMap.items.length === 0) { return; } // Check if first item is $meta const firstItem = rootMap.items[0]; if (!firstItem || !yaml.isScalar(firstItem.key) || firstItem.key.value !== '$meta') { // Find $meta section const metaIndex = rootMap.items.findIndex(item => yaml.isScalar(item.key) && item.key.value === '$meta' ); if (metaIndex > 0) { // Move $meta to first position const [metaItem] = rootMap.items.splice(metaIndex, 1); rootMap.items.unshift(metaItem); autoFixManager.add('Moved $meta section to first position'); } else if (metaIndex === -1) { // $meta section missing - will be handled by validateMandatorySections session.logger.addError({ code: 'LAML_META_SECTION_MISSING', message: '$meta section is required and must be first', context: { suggestion: 'Add $meta section at the beginning of the document' } }); } } }