- fix(ml): resolve all 12 warnings (unused imports, Debug impls, lifetimes) - chore: remove broken vendor/candle-optimisers gitlink - chore: replace tokio features=["full"] with workspace defaults in 5 crates - chore: remove unused plotters dep from services/load_tests - feat(api_gateway): feature-gate MFA deps behind optional 'mfa' feature Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>