feat: integrate SimpleCADAPI 2.0.2 CAD workflows

SimpleCADAPI/docs/api/select.md

@@ -15,3 +15,15 @@ def select(items: Iterable[Any]) -> Query
 ## Description
 
 Start a QL query over a shape collection or selector scope.
+
+For topology-aware selection, use `ql.faces()`, `ql.edges()`, `ql.wires()`,
+`ql.vertices()`, or `ql.solids()`. `ShapeSelector.intersection(other)` forms a
+serializable set intersection. `selector.shared_boundary(other,
+to_kind="edge")` intersects the boundaries of two selectors. Edge selectors
+also support `incident_to(face_selector, ..., distinct=True)` and
+`incident_face_count(exactly=2)` to select edges by exact incident Face
+witnesses and reject open or non-manifold edges.
+
+These selectors resolve by topology identity, not enumeration order, area,
+normal, or position heuristics. Their `to_dict()` payloads can be restored with
+`ql.selector_from_dict(...)`.