Fix GitHub PR

Overview

Systematically read, evaluate, implement, and resolve all review comments AND CI test failures on a GitHub PR — one issue at a time, with tests and commits after each fix.

Core principle: Never mark a comment as resolved without verified implementation and passing specs. Never claim CI is fixed without confirmed green status.

The Process

Phase 1: Setup

1. Identify the PR

   If a PR number was provided, use it directly. Otherwise, detect the PR from the current branch: