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/engine/src/cmd/sketch_freeform.rs

@@ -3,8 +3,8 @@
 //! stays exact; the pieces replace the original curve.
 
 use serde_json::{Value, json};
-use solvecraft_geom::{Seg2, Vec2};
-use solvecraft_sketch::{ConstraintKind, CurveKind, Sketch};
+use solidcraft_geom::{Seg2, Vec2};
+use solidcraft_sketch::{ConstraintKind, CurveKind, Sketch};
 
 use super::sketch::add_c;
 use crate::Result;
@@ -163,7 +163,7 @@ fn add_pieces(sk: &mut Sketch, segs: &[Seg2], start: Option<usize>, end: Option<
                 CurveKind::Conic { a: prev, b: to, apex: x, rho: w / (1.0 + w) }
             }
             Seg2::Bezier { n, p } => {
-                let k = (n as usize).clamp(1, solvecraft_geom::MAX_BEZIER_DEGREE);
+                let k = (n as usize).clamp(1, solidcraft_geom::MAX_BEZIER_DEGREE);
                 let mut pts = vec![prev];
                 for q in p.iter().take(k).skip(1) {
                     pts.push(sk.add_point(*q, None)?);