docs: add ura operational readiness and production gates

scripts/validate/validate-omnl-ledger-mapping.mjs

@@ -20,7 +20,8 @@ const schemaPath = path.join(
   'config/universal-resource-activation/integration/omnl-ledger-mapping.v1.schema.json'
 );
 
-const file = path.resolve(projectRoot, process.argv[2] || defaultPath);
+const fileArg = process.argv.slice(2).filter((a) => a !== '--')[0];
+const file = path.resolve(projectRoot, fileArg || defaultPath);
 
 if (!existsSync(file)) {
   console.error(`[validate-ledger-mapping] Missing ${file}`);