Use plain open-source CAD wording

AGENTS.md

@@ -1,6 +1,6 @@
 # SolidCraft — instructions for agents
 
-SolidCraft is an independent, clean-room, open-source, pure-Rust parametric 3D CAD application:
+SolidCraft is a clean-room, open-source, pure-Rust parametric 3D CAD application:
 sketches with a constraint solver, a parametric timeline of features, a B-rep
 kernel, and a desktop UI that agents can drive. Siblings with the same conventions live next to
 it in `storytold/`: `cadcraft` (AutoCAD-style, the closest relative), `photocraft`, `vectorcraft`,

CLAUDE.md

@@ -1,6 +1,6 @@
 # SolidCraft — instructions for agents
 
-SolidCraft is an independent, clean-room, open-source, pure-Rust parametric 3D CAD application:
+SolidCraft is a clean-room, open-source, pure-Rust parametric 3D CAD application:
 sketches with a constraint solver, a parametric timeline of features, a B-rep
 kernel, and a desktop UI that agents can drive. Siblings with the same conventions live next to
 it in `storytold/`: `cadcraft` (AutoCAD-style, the closest relative), `photocraft`, `vectorcraft`,

README.md

@@ -1,6 +1,6 @@
 # SolidCraft
 
-**An independent, open-source parametric 3D CAD application built in pure Rust.**
+**An open-source parametric 3D CAD application built in pure Rust.**
 
 Sketch, constrain, and build solids with a parametric feature timeline. Change a dimension
 and watch your model rebuild. Run it on your desktop, in your browser, or let AI agents
@@ -159,7 +159,7 @@ and licence rules, and where help is wanted most.
 
 ## Licence
 
-MIT OR Apache-2.0, at your option. Developed independently under the
+MIT OR Apache-2.0, at your option. Developed under the
 [clean-room contribution rules](CLAUDE.md); third-party code and assets retain their
 documented licences and attribution.
 

docs/book/src/introduction.md

@@ -1,6 +1,6 @@
 # SolidCraft
 
-SolidCraft is an independent, open-source parametric 3D CAD application written in pure Rust.
+SolidCraft is an open-source parametric 3D CAD application written in pure Rust.
 Sketch on a plane, constrain and dimension the sketch, turn profiles
 into solids with features on a timeline, and change a parameter to watch the whole timeline
 rebuild.