Plastic: Boss (draft, root fillet, hole, ribs), Lip and Groove along a shelled body's rim (inside or outside edge, groove clearance), Snap Fit (cantilever arm with a catch)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL

crates/doc/src/eval.rs

@@ -1393,6 +1393,7 @@ fn eval_feature(doc: &Document, vals: &BTreeMap<String, Value>, f: &Feature, st:
         | FeatureKind::SheetHem { .. }
         | FeatureKind::SheetUnfold { .. }
         | FeatureKind::SheetConvert { .. } => more::sheet_eval(doc, vals, f, st),
+        FeatureKind::Boss { .. } | FeatureKind::Lip { .. } | FeatureKind::SnapFit { .. } => more::plastic_eval(vals, f, st),
         FeatureKind::Emboss { .. }
         | FeatureKind::Rib { .. }
         | FeatureKind::ReplaceFace { .. }