impl-review

Create a pull request for the current branch using `gh`.

Add a new best practice to the appropriate doc. Checks for duplicates,

Check if a failing test is a known upstream flake in Chromium's LUCI Analysis

Delete local branches whose PRs have been merged upstream. Checks GitHub PR

Audit and fix best practices docs for stale references, duplicates, obsolete

Force-push a branch and all its downstream branches to origin. Auto-detects

Re-run failed CI jobs for a brave/brave-core PR. Detects failure stage and

Run all preflight checks (format, gn_check, presubmit, build, tests) to make