task: lint-enforcement-upgrade created: 2026-01-31 completed: 2026-01-31 phase: COMPLETE description: | Upgraded lint enforcement from warn to deny to prevent regression. before_count: 3 current_count: 0 summary: fixed: - "Cargo.toml - upgraded unwrap_used, expect_used, panic from warn to deny" enforcement: - "CLAUDE.md - enhanced No Unwrap rule with enforcement note" documentation: - ".claude/guides/local/quality-checks.md - added Enforced Lints section"