A 2,100-employee logistics company is implementing a major cost-reduction and automation programme that will reduce headcount in its regional depots by 28 % over 18 months. The OD lead has been asked to design the "people transition" workstream. The CEO's stated priority is "to protect our culture of loyalty and long service". Which engagement strategy is most likely to be effective in maintaining employee commitment during the downsizing while still achieving the required cost and capability outcomes?