* fix(cli): name the unzip errors when every Windows unzip tool fails
* fix(cli): a cached empty or folder Chrome counts as missing, not found
* fix(engine): skip an empty cached Chrome the same way the CLI does
* fix(engine): keep scanning the Chrome cache past a build it cannot read
* test(engine): a folder at the cached Chrome path is skipped
* fix(cli): browser ensure fails when the unzip leaves no Chrome executable
* refactor(cli): keep install debug output and report only the last unzip attempt
* fix(cli): browser ensure exits after a failure or a --force download
* fix(cli): browser checks name why Chrome could not be installed
* fix(cli): render shows why its setup step failed instead of a crash dump
* refactor(cli): build the browser download label and staged test path once
* refactor(cli): one owner for the render setup result line
* fix(cli): render setup failures report through one error line
* refactor(cli): one reader and writer for both render setup lines
Miguel Ángel