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Summary
SUMMARY: Content "Adds expertise traits for NPCs (not yet attached to NPC classes)"
Purpose of change
Expertise traits represent skills that can only be learned through training, not through books and DIY. These are largely upper education skills such as engineering and medicine, but also includes professional skills learned over a lifetime.
At first these will be used alongside NPC "job histories" just to tell stories, but in the future they will be start points for missions and more.
Describe the solution
Like background traits, expertise is currently best implemented through mutations, as these are a mostly permanent way of tracking things like this and can be used conditionally in dialogue very easily, and already have existing sorting mechanisms to make sure the right npcs spawn with the right traits. We should probably consider making it possible to hide traits at some point.
Describe alternatives you've considered
Extensive discussion in discord on the number and types of expertises is still underway.
I think the ones I have posted are pretty much settled in.
I have not yet applied the expertises under discussion such as the various types of engineering.
Additional context
Trait groups and class connection will be done in a separate PR for easier reviewing.