- Replace 44 incorrect drop(write!()) patterns with let _ = write!()
(drop() on fmt::Result triggers clippy warning; let _ = is idiomatic)
- Fix syntax errors from botched drop→let_ replacement (extra closing paren)
- Remove unused imports in ml/src/dqn/agent.rs (std::fs::File, std::io::Read)
- Remove unused #[allow(clippy::expect_used)] in ml/src/inference.rs
- Fix backtesting_service binary re-declaring library modules (mod x instead
of use backtesting_service::x), which caused false dead_code warnings
Result: 0 warnings across all 37+ workspace crates.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>