feat: clean up `p2p` & implement missing peering functionality #9261

Job	Run time
Run Main (autocounterd) / Go Build / generated	6s
Run Main (autocounterd) / Go Linter / lint	43s
Run Main (autocounterd) / Go Test / test	6s
Run Main (docker-integration) / Go Build / generated	5s
Run Main (docker-integration) / Go Linter / lint	9s
Run Main (genproto) / Go Build / generated	7s
Run Main (docker-integration) / Go Test / test	16s
Run Main (genproto) / Go Linter / lint	41s
Run Main (genproto) / Go Test / test	36s
Run Main (genstd) / Go Build / generated	12s
Run Main (genstd) / Go Linter / lint	23s
Run Main (genstd) / Go Test / test	27s
Run Main (goscan) / Go Build / generated	7s
Run Main (goscan) / Go Linter / lint	23s
Run Main (goscan) / Go Test / test	18s
Run Main (loop) / Go Build / generated	11s
Run Main (loop) / Go Linter / lint	13s
Run Main (loop) / Go Test / test	7s
	5m 10s

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