From my research, the most likely reason is that the judge was only following procedure, when it became apparent the client did not have legal counsel.
In this case, the client is charged with misdemeanor marijuana possession, but the court has him on tape admitting to marijuana trafficking and other felony offenses. The officer chose to charge him with a misdemeanor because of his honesty and cooperation (we assume).
The client would like to self-represent, and plead guilty to the original charges of misdemeanor marijuana possession. How would the client go about finding out if these original charges still stand, or if the charges have been upgraded? Court documents don't indicate any changes in the charges filed, yet.
Would it be okay for the client to write a letter, directly to the prosecution, asking them to clarify the charges?
The client does not wish to make things worse on himself, and only wishes to self-represent because he doesn't wish to fight the charges and doesn't believe an attorney is required for this.