I’d be acquiring or borrowing a fusion splicer and splice protectors then getting them into a fixed enclosure on the wall with socket outlets.

It seems like wizardry when you first see it, but actually fusion splicing fibre is not hard at all once you’ve done it a few times.

The most important part is the cleaving, always use a high quality cleaver.

Chances are very high the fibres themselves in the cables are absolutely fine, they are remarkably resilient given their size.