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

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

crates/sketch/src/virtual_corner_tests.rs

@@ -1,7 +1,7 @@
 #![allow(clippy::unwrap_used, clippy::panic)]
 
 use crate::{Constraint, ConstraintKind, CurveKind, Sketch};
-use solvecraft_geom::Vec2;
+use solidcraft_geom::Vec2;
 
 fn point(sk: &mut Sketch, x: f64, y: f64) -> usize {
     sk.add_point(Vec2::new(x, y), None).unwrap()