Function getPlanFilePath

src/utils/plans.ts:123–133

(agentId?: AgentId)

 * For subagents (agentId provided), returns {planSlug}-agent-{agentId}.md
 */
export function getPlanFilePath(agentId?: AgentId): string {
  const planSlug = getPlanSlug(getSessionId())

  // Main conversation: simple filename with word slug
  if (!agentId) {
    return join(getPlansDirectory(), `${planSlug}.md`)
  }

  // Subagents: include agent ID
  return join(getPlansDirectory(), `${planSlug}-agent-${agentId}.md`)
}

/**
 * Get the plan content for a session