fsi2 harness: RTX_FSI2O_PATCH_CONVECTION knob (tvd default / upwind / none) on the overset patch, printed in the march's coupling header and the replay's PRESCRIBED header — P5-3's near-wake dispersion test on the ny 62 fixed-motion replay; harness files under the pinned toolchain's cargo fmt

Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr

crates/specialized/rtx-fsi/tests/fsi2_harness/mod.rs

@@ -20,17 +20,17 @@ use std::cell::Cell;
 use std::sync::{Arc, RwLock};
 
 use nalgebra::Vector3;
-use rtx_cfd::solvers::incompressible::{
-    polygon_interface_velocity, polygon_signed_distance, AleBoundaries, ConvectionScheme,
-    EmbeddedBody, EmbeddedParameters, EmbeddedPisoSolver, FlowField, PoissonSolverKind, PolygonSdf,
-    SideBoundary,
-};
 use rtx_cfd::CfdConfig;
+use rtx_cfd::solvers::incompressible::{
+    AleBoundaries, ConvectionScheme, EmbeddedBody, EmbeddedParameters, EmbeddedPisoSolver,
+    FlowField, PoissonSolverKind, PolygonSdf, SideBoundary, polygon_interface_velocity,
+    polygon_signed_distance,
+};
 use rtx_fea::assembly::dof_mapping::DofComponent;
 use rtx_fea::boundary::dirichlet::{DirichletBC, DirichletType};
 use rtx_fea::boundary::{BoundaryCondition, BoundaryConditionSet, SpatialFunction};
 use rtx_fea::mesh::{Element, ElementType, MaterialId, Mesh, Node, NodeId};
-use rtx_fsi::{smooth_tractions, FluidFace, WettedSurface};
+use rtx_fsi::{FluidFace, WettedSurface, smooth_tractions};
 
 pub const L: f64 = 2.5;
 pub const H: f64 = 0.41;