Auto QA PR (UI verification) Run the app locally, exercise the changed surfaces through a real browser, and produce concrete visual evidence — screenshots plus a pass/fail report. When a tracker is configured and a PR number is given, hand that evidence to reviewers as a PR comment (and, opt-in, sign the PR off). When there is no tracker, save the evidence as artifacts so a human can review it. Either way, the skill is read-only on source code : it never edits files, never pushes to the change's branch, and never merges. This skill never boots the app itself — provisions a runnable instance a…