Selection feedback and origin: hover and selected highlights (theme tokens), origin planes/axes/point at a fixed screen size with browser eye toggles, click-to-pick sketch planes and faces with camera animation (Finish Sketch returns), multi-select dialog inputs with pre-selection, tangent chains and face-to-edges, window/crossing box selection, shell/draft/mirror/hole dialogs

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

crates/engine/src/view.rs

@@ -143,3 +143,17 @@ pub fn home_camera(s: &Session) -> Camera {
     }
     c
 }
+
+/// Construction planes of the timeline: (feature id, name, plane).
+pub fn construction_planes(s: &Session) -> Vec<(u64, String, Plane)> {
+    use solvecraft_doc::FeatureKind;
+    let (vals, _) = s.doc.param_values();
+    s.doc
+        .features
+        .iter()
+        .filter_map(|f| match &f.kind {
+            FeatureKind::ConstructionPlane { plane } if !f.suppressed => s.doc.resolve_plane(&vals, plane, 0).ok().map(|p| (f.id, f.name.clone(), p)),
+            _ => None,
+        })
+        .collect()
+}