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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

---------

Co-authored-by: Claude Opus 5.5 <[email protected]>

docs/book/src/introduction.md

@@ -11,7 +11,7 @@ It runs as:
 
 - a **desktop app** for Windows and Linux (egui + wgpu);
 - a **web app** in the browser (wasm, WebGPU or WebGL2), [try it here](app/);
-- a **headless CLI**, `solvecraft-cli`, that runs command scripts, measures and exports;
+- a **headless CLI**, `solidcraft-cli`, that runs command scripts, measures and exports;
 - an **MCP server** that AI agents model with, headless or driving the running app.
 
 Everything the user can do is a *command* with JSON parameters. The toolbar, the dialogs, scripts,
@@ -24,7 +24,7 @@ and a plastic-enclosure subset work; surfaces, drawings, CAM and simulation are
 the [feature list](dev/features.md) lists every command by area, and the
 [reference tests](dev/oracle.md) check modelling results against analytic and FreeCAD values.
 
-Existing `.solvecraft` designs and `solvecraft-cli` commands keep their names and behavior.
+Existing `.solidcraft` designs and `solidcraft-cli` commands keep their names and behavior.
 
 This book has two halves: the **user guide** for people modelling with SolidCraft, and the
 **developer guide** for people working on it. The [command reference](reference/commands.md) is