- internal/homesick/version: new version_test.go covers String constant
and semver format validation
- internal/homesick/cli: add list, generate, clone, status, diff, and
git-repo helper tests; coverage raised from 62.5% to 71.2%
- internal/homesick/core: new helpers_test.go covers runGit pretend,
actionVerb, sayStatus, unlinkPath, linkPath, readSubdirs,
matchesIgnoredDir, confirmDestroy, ExecAll edge cases, and
Link/Unlink default castle wrappers; core_test.go and pull_test.go
extended with New constructor and PullAll quiet-mode tests;
exec_test.go extended with ExecAll no-repos-dir and error-wrap tests;
coverage raised from 75.6% to 80.2%
