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Switch logging library to match bundle-lib

Switch logging library to match bundle-lib: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). We currently use go-logging (https://github.com/op/go-logging) throughout the broker, but our main dependency bundle-lib uses logrus (https://github.com/sirupsen/logrus)…

The task

We currently use [go-logging](https://github.com/op/go-logging) throughout the broker, but our main dependency `bundle-lib` uses [logrus](https://github.com/sirupsen/logrus). This means the broker's process emits two visually different log streams — one format/structure from our own packages and another from anything…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.