Loïc Guitaut 050828d1de DEV: Allow chat services to have optional models ... This is extracted from #22390. This patch adds a new `optional` option to the `model` step. This means if an optional model returns something blank (`nil` or an empty collection) then the service won’t fail and will execute the next step. However if a model is properly returned, the step will try to check if it is valid or not (if it responds to `#invalid?`). If the model isn’t valid, then the step will fail (so no change here).		2023-07-20 17:27:44 +02:00
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base.rb	DEV: Allow chat services to have optional models	2023-07-20 17:27:44 +02:00