~anthropic/claude-sonnet-latest → B (6:4)

Side B fixes genuine crashing bugs in shared OAuth test infrastructure (str/split called with a string instead of a regex, .getInputStream vs the correct .getRequestBody, missing nil-guards, plus a catch-all error handler) that were breaking all Playwright-based E2E auth flows—this is a real, broadly-impactful bugfix. Side A improves href display and rewrites one test to be more thorough, which is useful but narrower in scope and affects only vote-pool link rendering and one test's coverage.