

casual job ghosted me for 3 months and now wants to reconnect - how do I officially resign?
I’m a bit lost here on what approach to take in response to this.
Been working casually at this place for around 4 years - started out as a high school job. Never had any issues until there was a new manager who would schedule me for night shifts even though I had communicated to her that I could not work nights. I told her this many times in person and through email.
For the first few months under this new manager I worked one daytime shift every weekend (which suited me as I have a weekday job). Then I suddenly began only getting scheduled for night shifts, and I had to try to get them covered by other staff.
Verbal reasoning did not seem to change this pattern so I resorted to submitting very strict unavailability times to stop myself from getting scheduled for night shifts. After this unavailability was accepted, I did not receive any shifts for 3 months. I had no communication from management, there was work available during the day on weekends but they chose not to give it to me.
Fast forward to today and I get an email from management asking what I want my roster to look like now that “I’m Back” ???? and asking for a meeting. I am lost because I did not go anywhere, I explicitly set boundaries and they were ignored so I set even more explicit ones.
I am now trying to write a resignation email as I think it’s time I part from this job, but have no clue how to even respond to this. I do not want to be overly polite and ignore all the last few months BUT I also do not want to come across as too harsh.
Any tips would be much appreciated 😭