(except I manually sort through my photos on a semi-weekly basis before I upload it to Immich).

I think that would be a better approach if I weren't very lazy, I think even after the initial run I could do that since I don't take lots of pictures but I was thinking about a fire and forget sort of thing.

If you want, I can cook up a little Python script you could stick into Cron to do all the tasks you described.

Thank you so much, I asked ChatGPT and it generated the bat file below (since I'm using Windows) do you think this would work?

@echo off
REM Change directory to your photos folder
cd /d "C:\path\to\your\photos\folder"

REM Sync files to backup folder
robocopy . "C:\path\to\your\Camera_Backup" /mir /xo

REM Delete files older than 15 days
forfiles /p "C:\path\to\your\photos\folder" /s /m *.* /d -15 /c "cmd /c if @isdir==FALSE del @file"

REM Upload assets using immich cli
immich upload "C:\path\to\your\Camera_Backup" -r -a --delete