* [feature] Federate interaction policies + Accepts; enforce policies
* use Acceptable type
* fix index
* remove appendIRIStrs
* add GetAccept federatingdb function
* lock on object IRI
* [chore] Add interaction filter to complement existing visibility filter
* pass in ptr to visibility and interaction filters to Processor{} to ensure shared
* use int constants for for match type, cache db calls in filterctx
* function name typo 😇
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Co-authored-by: kim <grufwub@gmail.com>