Replace arbitrary timeouts with condition polling for reliable async tests
$npx -y skills add bobmatnyc/trusty-tools --skill condition-based-waitingInstalls into the current project.
Run `npx skills use "https://github.com/bobmatnyc/trusty-tools" --skill "bobmatnyc/trusty-tools/condition-based-waiting"` 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/bobmatnyc/trusty-tools" that are relevant to the current task. Run `npx skills add "https://github.com/bobmatnyc/trusty-tools"` and select the relevant skills, then follow their instructions.