* fix(cli): snapshot counts and lists the stills that are on disk, and fails when some are not
The summary counted frames the run had captured, not files that exist, and printed paths
relative to the project. It now checks every still on disk, prints absolute paths, says
"N of M" when some are missing or empty, names them, and exits non-zero.
* fix(cli): snapshot says when it clears an earlier run's stills from the folder
Without --keep, a run removes the stills an earlier run left in the folder before it captures,
so two runs into one -o folder silently erased the first. The behaviour stays; the console
and --json now say "cleared N stills from an earlier run in <folder>". The on-disk comment is
also cut to the comment limit.
* fix(cli): snapshot judges the stills it wrote, not the frames it was asked for
A --zoom target that is not visible skips a frame on purpose, with a warning, and that frame never
reaches the written list. Comparing the files on disk with the requested count turned that into a
failed run. Only a written still that is missing or empty fails now.
Miguel Ángel
eb6b2c9de9