Rename SolveCraft to SolidCraft everywhere, with compatibility shims (#389)

* WIP deep rename (not for push)

* WIP2

* WIP3

* WIP4 wxs fix

* rustfmt

* Rename the remaining identifiers in merged crash-report code

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

crates/kernel/src/smooth_edges.rs

@@ -1,5 +1,5 @@
 //! Display-only tangent joins. Unknown geometry retains its existing presentation.
-use solvecraft_geom::{Mesh, Vec3};
+use solidcraft_geom::{Mesh, Vec3};
 use truck_modeling as mt;
 
 use crate::body::{Body, from_p3};
@@ -219,7 +219,7 @@ fn classify(body: &Body, mesh: &Mesh, mut work: usize) -> (Vec<bool>, Vec<bool>)
 #[allow(clippy::unwrap_used)]
 mod tests {
     use super::*;
-    use solvecraft_geom::{Loop2, Plane, Region2, Seg2, Vec2};
+    use solidcraft_geom::{Loop2, Plane, Region2, Seg2, Vec2};
 
     fn circle(radius: f64, count: usize) -> Loop2 {
         let step = std::f64::consts::TAU / count as f64;