Squash a feature branch into one commit via soft reset to the merge base, ready for a clean PR.
$npx -y skills add paulrberg/agent-skills --skill git-squashInstalls into the current project.
Run `npx skills use "https://github.com/paulrberg/agent-skills" --skill "paulrberg/agent-skills/git-squash"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/paulrberg/agent-skills" that are relevant to the current task. Run `npx skills add "https://github.com/paulrberg/agent-skills"` and select the relevant skills, then follow their instructions.