diff --git a/AGENTS.md b/AGENTS.md
index f611856..96ec450 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -58,9 +58,14 @@ People trust ModelCraft with their models; a crash loses their work. **This outr
   sources. Permissively licensed code (MIT, BSD, Apache-2.0, MPL-2.0) may be read for reference;
   anything adapted is noted in ATTRIBUTION.md with its licence.
 - **Assets — absolutely essential.** ModelCraft contains **no iconography, images, fonts or
-  artwork from commercial CAE products — ever.** Icons are drawn in code. Any file asset must be
+  artwork from commercial CAE products — ever.** Icons are original artwork made with VectorCraft:
+  commit the editable `.vectorcraft` source beside the exported SVG/PNG. Any file asset must be
   original or openly licensed and **must have a row in ATTRIBUTION.md** (`cargo xtask assets`
   enforces it). Screenshots of commercial software are never committed.
+- **Test geometry is our own.** Meshing and solver test parts are built with SolidCraft and
+  committed as recipes (scripts or designs) that regenerate them; analytic shapes are generated in
+  code. No public CAD datasets (ABC, MAMBO, Thingi10K, GrabCAD) and nothing made in a commercial
+  CAD or CAE product.
 - **Everything is a command.** User-visible behaviour = a command in `crates/engine/src/cmd/*`
   (`CommandSpec`: our own dotted, lower-case id `<area>.<thing>[.<variant>]` such as
   `mesh.node.add` or `mesh.tet.generate`, never another product's keyword; label; params doc;
@@ -78,8 +83,10 @@ People trust ModelCraft with their models; a crash loses their work. **This outr
   MPa); geometry from SolidCraft is in millimetres. Z is up.
 - **Rust only.** **Never break wasm**: everything below the apps builds for
   `wasm32-unknown-unknown` (`cargo xtask wasm`, part of `cargo xtask ci`).
-- **Quality gates** before every commit: `cargo xtask ci` (fmt, assets, licences, layers, clippy
-  -D warnings, tests, wasm).
+- **Quality gates:** GitHub CI runs `cargo xtask ci` (fmt, assets, licences, layers, clippy -D
+  warnings, tests, wasm) on every PR; don't run the full gate locally. Before pushing: `cargo fmt
+  --all`, `cargo check` the touched crates, and run the tests you added or changed. Commit after
+  each working step (a layer that compiles with its tests passing), not one big commit per PR.
 - **Publishing**: `origin` is github.com/jyviko/modelcraft. Changes land through pull requests:
   branch, push, open a PR, let CI run, then `gh pr merge --squash` when green. Rebase onto `main`
   (never merge `main` into a branch); never force-push `main`. Never commit `plan/`,
diff --git a/ATTRIBUTION.md b/ATTRIBUTION.md
index 33e88a3..7402518 100644
--- a/ATTRIBUTION.md
+++ b/ATTRIBUTION.md
@@ -7,7 +7,8 @@ asset file is missing from this table.
 **Policy (mandatory):** ModelCraft contains **no iconography, images, artwork, fonts, templates,
 example decks or help text from commercial CAE products.** Every asset is original work by
 ModelCraft contributors or third-party material under an open licence. Screenshots of commercial
-software are never committed.
+software are never committed. Icons are made with VectorCraft; each icon's `.vectorcraft` source
+is committed and listed here with its exports.
 
 ## Files
 
diff --git a/docs/adr/0001-libraries.md b/docs/adr/0001-libraries.md
index 7a4fda7..9a44ec3 100644
--- a/docs/adr/0001-libraries.md
+++ b/docs/adr/0001-libraries.md
@@ -57,8 +57,9 @@ sources is in `docs/meshing/literature.md`.
 **Test geometry** follows the same rule as test data: nothing produced with a commercial CAD or
 CAE product. That excludes ABC (Onshape), MAMBO (files from commercial translators) and the HexMe
 models that come from ABC, GrabCAD or Siemens NX; HexMe's Gmsh-made models are allowed (CC-BY-4.0).
-Thingi10K (per-model Creative Commons licences, authoring tool unrecorded) is pending an owner
-decision. The default corpus is generated: SolidCraft-built parts and analytic shapes.
+Thingi10K is not used either (owner decision 2026-10-13: authoring tools unrecorded). **The test
+corpus is our own:** parts built with SolidCraft (scripts or designs authored in SolidCraft,
+committed as their recipes so the geometry is regenerated, not stored) and analytic shapes.
 
 **Commercial products** (Abaqus, Nastran, LS-DYNA, LS-PrePost, HyperMesh, ANSA, Femap, Patran,
 ANSYS) are never run, scripted or used as a source of data. Deck formats come from the vendors'
diff --git a/xtask/src/assets.rs b/xtask/src/assets.rs
index 700af3b..b446d1d 100644
--- a/xtask/src/assets.rs
+++ b/xtask/src/assets.rs
@@ -3,8 +3,29 @@
 
 use std::path::Path;
 
-const ASSET_EXT: &[&str] =
-    &["png", "jpg", "jpeg", "svg", "ico", "icns", "ttf", "otf", "woff", "woff2", "gif", "bmp", "webp", "wav", "mp3", "stl", "step", "stp", "obj"];
+const ASSET_EXT: &[&str] = &[
+    "png",
+    "jpg",
+    "jpeg",
+    "svg",
+    "ico",
+    "icns",
+    "ttf",
+    "otf",
+    "woff",
+    "woff2",
+    "gif",
+    "bmp",
+    "webp",
+    "wav",
+    "mp3",
+    "stl",
+    "step",
+    "stp",
+    "obj",
+    "vectorcraft",
+    "solidcraft",
+];
 const SKIP_DIRS: &[&str] = &["target", ".git", "plan", "dist"];
 
 fn walk(dir: &Path, root: &Path, out: &mut Vec<String>) {