Add sandbox files to gitignore

Author: 1-Bart-1

.gitignore

@@ -8,3 +8,26 @@ docs/build/
 results/TUDELFT_V3_LEI_KITE/polars/tutorial_testing_stall_model_n_panels_54_distribution_SPLIT_PROVIDED.pdf
 !test/data/*.bin
 CLAUDE.md
+
+# Claude Code sandbox artifacts
+.bash_profile
+.bashrc
+.gitconfig
+.gitmodules
+.profile
+.ripgreprc
+.zprofile
+.zshrc
+HEAD
+config
+objects
+refs
+hooks
+
+# IDE / tool configs
+.claude/
+.idea/
+.mcp.json
+.vscode/
+.vscode
+.idea

mwes/mwe_warntype.jl

@@ -0,0 +1,86 @@
+# Run with: julia --project mwes/mwe_warntype.jl 2>&1 | less
+# Look for red/yellow "Any" or "Union" in output
+
+using VortexStepMethod
+using VortexStepMethod: calculate_AIC_matrices!, gamma_loop!, calculate_results,
+                       calculate_velocity_induced_single_ring_semiinfinite!,
+                       calculate_velocity_induced_bound_2D!,
+                       velocity_3D_bound_vortex!,
+                       velocity_3D_trailing_vortex!,
+                       velocity_3D_trailing_vortex_semiinfinite!,
+                       cross3!, calc_norm_array!,
+                       Panel, reinit!, solve_base!
+using LinearAlgebra
+using StaticArrays
+using InteractiveUtils
+
+# Setup
+n_panels = 20
+span = 20.0
+chord = 1.0
+alpha = deg2rad(30.0)
+
+wing = Wing(n_panels, spanwise_distribution=LINEAR)
+add_section!(wing, [0.0, span/2, 0.0], [chord, span/2, 0.0], INVISCID)
+add_section!(wing, [0.0, -span/2, 0.0], [chord, -span/2, 0.0], INVISCID)
+refine!(wing)
+body_aero = BodyAerodynamics([wing])
+vel_app = [cos(alpha), 0.0, sin(alpha)] .* 20.0
+set_va!(body_aero, vel_app)
+solver = Solver(body_aero)
+
+va_norm_array = ones(n_panels)
+va_unit_array = ones(n_panels, 3)
+
+# Prepare args for individual functions
+panel = body_aero.panels[1]
+filaments = panel.filaments
+ep = panel.control_point
+velind = @MVector zeros(3)
+tempvel = @MVector zeros(3)
+va_unit = @MVector zeros(3)
+va_unit .= 1.0 / sqrt(3.0)
+work = body_aero.work_vectors
+
+sep = "=" ^ 80
+printstyled("\n$sep\n cross3!\n$sep\n"; color=:cyan)
+a = MVector{3,Float64}(1.0, 2.0, 3.0)
+b = MVector{3,Float64}(4.0, 5.0, 6.0)
+r = MVector{3,Float64}(0.0, 0.0, 0.0)
+@code_warntype cross3!(r, a, b)
+
+printstyled("\n$sep\n velocity_3D_bound_vortex!\n$sep\n"; color=:cyan)
+@code_warntype velocity_3D_bound_vortex!(
+    velind, filaments[1], ep, 1.0, 0.001, work)
+
+printstyled("\n$sep\n velocity_3D_trailing_vortex!\n$sep\n"; color=:cyan)
+@code_warntype velocity_3D_trailing_vortex!(
+    tempvel, filaments[2], ep, 1.0, 20.0, work)
+
+printstyled("\n$sep\n velocity_3D_trailing_vortex_semiinfinite!\n$sep\n";
+    color=:cyan)
+@code_warntype velocity_3D_trailing_vortex_semiinfinite!(
+    tempvel, filaments[4], va_unit, ep, 1.0, 20.0, work)
+
+printstyled("\n$sep\n calculate_velocity_induced_single_ring_semiinfinite!\n$sep\n";
+    color=:cyan)
+@code_warntype calculate_velocity_induced_single_ring_semiinfinite!(
+    velind, tempvel, filaments, ep, false, 20.0, va_unit, 1.0, 0.001, work)
+
+printstyled("\n$sep\n calculate_velocity_induced_bound_2D!\n$sep\n"; color=:cyan)
+@code_warntype calculate_velocity_induced_bound_2D!(
+    velind, panel, ep, work)
+
+printstyled("\n$sep\n calculate_AIC_matrices!\n$sep\n"; color=:cyan)
+@code_warntype calculate_AIC_matrices!(
+    body_aero, VSM, 0.001, va_norm_array, va_unit_array)
+
+printstyled("\n$sep\n gamma_loop!\n$sep\n"; color=:cyan)
+@code_warntype gamma_loop!(
+    solver, body_aero, body_aero.panels, 0.5; log=false)
+
+printstyled("\n$sep\n solve_base!\n$sep\n"; color=:cyan)
+@code_warntype solve_base!(solver, body_aero, nothing)
+
+printstyled("\n$sep\n calc_norm_array!\n$sep\n"; color=:cyan)
+@code_warntype calc_norm_array!(solver.br.va_norm_dist, solver.sol._va_dist)