Print remote info and verify status lines through internal/ui (closes #410)

The status and progress lines of `remote info` and `snapshot verify`
(shallow and deep) now use the `internal/ui` Begin, Complete and
Progress methods, so they carry its marker and, on a terminal, color.
The reports themselves stay plain on stdout.

Model: opus-5-5

TODO.md

@@ -24,6 +24,12 @@ owner's; a `v*` tag runs the release build in
 
 # Completed Steps
 
+- 2026-11-10: Printed the status and progress lines of `remote info`
+  and `snapshot verify` through `internal/ui`, with its marker and
+  color, as the README describes
+  ([issue #410](https://git.eeqj.de/sneak/vaultik/issues/410)). Their
+  reports stay plain.
+
 - 2026-10-15: Stopped `snapshot create --prune` pruning after a backup
   in which a volume mounted below a configured path in an earlier
   snapshot of the same name was not mounted