Custom PDF templates crash-looped my reMarkable, and what the fix costs

Every morning at six, a container on my home server builds a fresh notebook and pushes it to my reMarkable, the same routine from rewriting the daily journal generator to stop generating PDFs and ship native, device-templated notebooks instead. That part hasn&rsquo;t changed since. Pages still just reference a built-in template by name, and the tablet draws the background itself. What I wanted to…