firefox 是做什么的？
Use this skill when the user wants to file good-first-bugs in Bugzilla for Firefox. A good-first-bug is a narrow, self-contained, low-risk task scoped so a first-time contributor can land it without deep context. Sources include lint warnings, small typos, dead-code removal, mechanical refactors, docs conversions, or any other small task the user points at. Produces prefilled enter_bug.cgi URLs the user clicks to submit. Trigger on phrases like "file a good first bug", "open good first bugs fo