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/kernel/src/fuzz.rs

@@ -1,9 +1,9 @@
-//! Robustness checks on random inputs (`solvecraft-cli fuzz`, docs/robustness.md): a small
+//! Robustness checks on random inputs (`solidcraft-cli fuzz`, docs/robustness.md): a small
 //! seeded random generator, and the boolean volume identity on random pairs of primitives
 //! placed on a coarse grid, so coincident faces and tangencies come up often.
 
 use serde::Serialize;
-use solvecraft_geom::Vec3;
+use solidcraft_geom::Vec3;
 
 use crate::{Body, BoolOp, boolean, box_solid, cylinder, measure, sphere, torus};