diff --git a/src/scene/hittest.rs b/src/scene/camera_ops.rs
similarity index 99%
rename from src/scene/hittest.rs
rename to src/scene/camera_ops.rs
index f7ddf21a9..46ebe73cc 100644
--- a/src/scene/hittest.rs
+++ b/src/scene/camera_ops.rs
@@ -1,4 +1,6 @@
-// Auto-split from scene/mod.rs. Pure text-move; behaviour unchanged.
+// Camera / view operations on `Scene`: zoom, fit-all, named-view restore,
+// camera<->document sync, and per-tile grid/snap. (The actual screen-space
+// hit-testing lives in `scene::pick::hit_test`.)
 use super::*;
 
 impl Scene {
diff --git a/src/scene/mod.rs b/src/scene/mod.rs
index c6dc00dab..7247e5883 100644
--- a/src/scene/mod.rs
+++ b/src/scene/mod.rs
@@ -17,7 +17,7 @@ pub mod view;
 // blocks and/or free functions). Pure text-move from the original mod.rs.
 mod entity;
 mod group_layer;
-mod hittest;
+mod camera_ops;
 mod layout;
 mod modify;
 mod mspace;
@@ -53,7 +53,7 @@ pub use pipeline::viewcube::{
     hit_test, hit_test_cardinal, hover_id, CubeRegion, NudgeDir, VIEWCUBE_DRAW_PX, VIEWCUBE_PAD,
     VIEWCUBE_PX, VIEWCUBE_REGION_PX,
 };
-pub use pick::selection::SelectionState;
+pub use pick::selection_state::SelectionState;
 pub use model::wire_model::WireModel;
 
 use crate::command::EntityTransform;
diff --git a/src/scene/pick/mod.rs b/src/scene/pick/mod.rs
index 03381292b..419a60c57 100644
--- a/src/scene/pick/mod.rs
+++ b/src/scene/pick/mod.rs
@@ -1,5 +1,5 @@
 pub mod hit_test;
-pub mod selection;
+pub mod selection_state;
 pub mod grip;
 pub mod quadtree;
 pub mod xclip;
diff --git a/src/scene/pick/selection.rs b/src/scene/pick/selection_state.rs
similarity index 100%
rename from src/scene/pick/selection.rs
rename to src/scene/pick/selection_state.rs