/**
 * Package-owned invariant companion for `dsh-better-sidebar`.
 * @module dsh-better-sidebar/invariant
 */

/* jscpd:ignore-start */
import type { Context } from './context-types.ts'

const PACKAGE_NAME = 'dsh-better-sidebar'

/** Cordis companion plugin name. */
export const name = 'dsh-better-sidebar-invariant'
/** Service required before the companion can reserve package ownership. */
export const inject = ['invariants']

/**
 * No runtime invariant: the sidebar owns no service state or event protocol
 * of its own — every route is mounted under the host's webServer fence, the
 * pty lifecycle is exercised by the smoke spec, and the panel's store is a
 * plain snapshot registry asserted by the behavior specs. The route fence,
 * pty quota, and store semantics are each observed through their seams.
 */
const install: () => void = () => {}

/**
 * Register this package's invariant companion.
 * @param ctx - Cordis context carrying the invariant service.
 * @returns the installed registration's disposer after setup succeeds.
 */
export const apply = (ctx: Context): Promise<() => void> =>
  Promise.resolve(ctx.invariants.register(PACKAGE_NAME, install))
/* jscpd:ignore-end */