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Article History

Received: 17 April 2025

Accepted: 26 November 2025

First Online: 15 December 2025

Declarations

:

: The University of Stuttgart Ethics Committee confirmed that no formal ethics approval was required for this research, as no personal data were collected and the workshop outputs consisted solely of non-identifiable drawings and schematic representations. This position was communicated by Prof. Dr.-Ing. Peter Middendorf, Prorektor für Wissens- und Technologietransfer, who stated that “no ethics approval is needed” for the RP29 project.

: All participants took part voluntarily in the workshops and participatory activities. Written informed consent was obtained from every participant prior to their involvement, following an explanation of the research purpose and procedures. Participants were free to withdraw at any stage.

: Participants also provided written consent for the publication of anonymised workshop materials, including drawings, photographs, and other non-identifiable outputs generated during the activities. No personal or identifying information is included in the manuscript.

: not applicable.

: The authors declare no competing interests.