fix(backup): upload dataset via HF API to bypass xet rejection

feat(backup): switch HF sync to single overwrite zip archive

fix: precompile servers and avoid runtime tsc on HF

fix: include TypeScript toolchain in runtime server deps

feat: add HF repo backup restore and log-triggered snapshots

fix: make HF Docker build resilient to lockfile mismatch

chore: reset repository history with clean initial import