class ActionCable::Connection::TaggedLoggerProxy

The connection is long-lived, so it needs its own set of tags for its independent duration.
ActiveSupport::TaggedLogging enhanced Rails.logger, as that logger will reset the tags between requests.
Allows the use of per-connection tags against the server logger. This wouldn’t work using the traditional

def add_tags(*tags) 

def add_tags(*tags)
  @tags += tags.flatten
  @tags = @tags.uniq
end

def initialize(logger, tags:) 

def initialize(logger, tags:)
  @logger = logger
  @tags = tags.flatten
end

def log(type, message) # :doc:

:doc: 
def log(type, message) # :doc:
  tag(@logger) { @logger.send type, message }
end

def tag(logger, &block) 

def tag(logger, &block)
  if logger.respond_to?(:tagged)
    current_tags = tags - logger.formatter.current_tags
    logger.tagged(*current_tags, &block)
  else
    yield
  end
end