cloud-svc was a worse re-implementation of what restic-rest-server
already does (--private-repos + --append-only + native retention +
chunk-level dedup). Pivoting before either ships in production.
cloud-sync.jar becomes a restic CLI wrapper. ~200 LOC instead of
~2000+ in the custom-server path. Server-side prune via operator
master password (option 1 — multi-key per repo).
Open questions flagged at end of doc for confirmation.
