{"feature_id":"FIX-03","agent":"reviewer","verdict":"APPROVED","summary":"Grid justify-center replaced with justify-items-center in categories, brands, and search pages. Product cards now center when fewer than 4 per row.","evidence":["cd project && npm run lint/typecheck: passed","git diff confirmed exact changes","npm test: 123 passed"],"timestamp":"2026-08-17T16:33:18Z"}