* Initialize using Dependency Set Configuration

* op-supervisor: init fromda, route fromda metrics, handle cross-unsafe, improve backend resource initialization

* op-supervisor: attach RPC, create processors upfront, implement backend test

* op-supervisor: fix dependency set configuration and test setup

* Update op-supervisor/supervisor/backend/backend.go
Co-authored-by: Axel Kingsley <axel.kingsley@gmail.com>

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Co-authored-by: protolambda <proto@protolambda.com>