ee161fb3a3
- Add progress bar for restore and verify operations using progressbar/v3 - Replace in-memory blob cache with disk-based LRU cache (closes #29) - Add helper wrappers for stdin/stdout/stderr IO - Move FetchAndDecryptBlob into restore.go, remove blob_fetch_stub.go - Use v.Stdout/v.Stdin instead of os.Stdout for all user-facing output Rebased onto main, squashed to resolve conflicts.