/**
 * Logical process table for `/proc`-style introspection (guest has no real PIDs).
 */

/**
 * @param {{ sessionId?: string, bootStartedMs?: number }} opts
 */
export function bareOsProcessTableSnapshot(opts = {}) {
  const sid = String(opts.sessionId || '').trim().slice(0, 128)
  const boot = typeof opts.bootStartedMs === 'number' ? opts.bootStartedMs : 0
  const now = Date.now()
  return {
    schema: 1,
    note: 'Synthetic rows; Bare OS guests do not expose host OS processes.',
    processes: [
      {
        pid: 1,
        ppid: 0,
        name: 'bare-os-kernel',
        state: 'running',
        startedAtMs: boot || now
      },
      {
        pid: 2,
        ppid: 1,
        name: 'bare-os-booter',
        state: 'running',
        startedAtMs: boot || now
      },
      {
        pid: 3,
        ppid: 2,
        name: 'bare-os-shell',
        state: 'running',
        startedAtMs: now,
        sessionId: sid || undefined
      }
    ],
    atMs: now
  }
}