Feature request: prefix every log message with a static string

Feature request: prefix every log message with a static string: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). I'm using pino across a few subsystems of my app (HTTP layer, a background worker, a proxy module) and I want every log line coming out of a given logger to be…

The task

I'm using pino across a few subsystems of my app (HTTP layer, a background worker, a proxy module) and I want every log line coming out of a given logger to be visually tagged with the subsystem it came from, e.g. The natural place to put that tag is at the start of the message…

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.