fix

# Fix Automatically fix formatting and linting issues across the codebase. ## Steps 1. Run `cargo fmt --all` to auto-format all Rust code. 2. Run `cargo clippy --fix --allow-dirty --allow-staged` to apply automatic clippy fixes. 3. Run `poly fmt --fix .` and `poly lint --fix .` to apply remaining formatting and lint autofixes. 4. Run `git diff` to show what was changed by the fixes. 5. Report a summary of files modified and fixes applied.