Function createPlanModeAttachmentIfNeeded

src/services/compact/compact.ts:1542–1560

(
  context: ToolUseContext,
)

 * normally only injected on tool-use turns via getAttachmentMessages).
 */
export async function createPlanModeAttachmentIfNeeded(
  context: ToolUseContext,
): Promise<AttachmentMessage | null> {
  const appState = context.getAppState()
  if (appState.toolPermissionContext.mode !== 'plan') {
    return null
  }

  const planFilePath = getPlanFilePath(context.agentId)
  const planExists = getPlan(context.agentId) !== null

  return createAttachmentMessage({
    type: 'plan_mode',
    reminderType: 'full',
    isSubAgent: !!context.agentId,
    planFilePath,
    planExists,
  })
}

/**
 * Creates attachments for async agents so the model knows about them after