Project dossier

Built a Linux container by hand this weekend, just for learning (no Docker/Podman)

We rolled back a prompt, watched staging recover, and then found three serverless regions still serving different instructions. One had the code default, another was reading an environment variable, and the third was holding an edge cache value from the previous deployment. An undetected model revision added one more variable, so the tidy experiment chart was basically fan fiction. We had no prompt lineage tying an immutable version to region, cache state, model metadata, and request time. I'm w