style: cargo fmt + clippy under stable 1.96 (CI toolchain) — black_box->std::hint, cmp_owned, empty-format; make rust-ci green on main

Author: claude

src/codegen/scaffold.rs

@@ -1637,7 +1637,7 @@ description = "Chapel distributed computing -iser"
             !repo
                 .files
                 .iter()
-                .any(|f| f.path == std::path::Path::new("src/interface/abi/Types.idr"))
+                .any(|f| f.path == *"src/interface/abi/Types.idr")
         );
     }