docs: finish the cce-system-settings -> cce-system-interface rename

Co-Authored-By: Claude Fable 5 <[email protected]>

 CLAUDE.md                    | 2 +-
 src/widget/input/dropdown.rs | 2 +-
 src/widget/model.rs          | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 1fa347a..db90c8c 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -120,7 +120,7 @@ adding anything to this trait.
 **Runtime verification matters here.** Several scene changes are "compiles + tests pass; runtime
 verification pending" per the RFC — the headless tests can't catch paint/event regressions. When
 changing scene wiring, `cargo run` a real client (cce-files, cce-designer, cce-graph,
-cce-system-settings) to confirm behavior, not just the test suite.
+cce-system-interface) to confirm behavior, not just the test suite.
 
 ## Module map (where things live)
 
diff --git a/src/widget/input/dropdown.rs b/src/widget/input/dropdown.rs
index 89b8593..7988e0e 100644
--- a/src/widget/input/dropdown.rs
+++ b/src/widget/input/dropdown.rs
@@ -13,7 +13,7 @@
 //! - The row-rect hit expansion (`base.row_x/row_w`) is dropped, consistent with every other
 //!   migrated control: `Input::hit` tests the widget rect plus the open popover.
 //! - `Layout::intrinsic_measure_width` (new hook) preserves the `auto_width` measure behavior
-//!   (cce-system-settings sizes its page dropdown from `WidgetHost::measure`).
+//!   (cce-system-interface sizes its page dropdown from `WidgetHost::measure`).
 
 use crate::colors;
 use crate::scene::layout::{Rect, Size};
diff --git a/src/widget/model.rs b/src/widget/model.rs
index 1e80914..e057284 100644
--- a/src/widget/model.rs
+++ b/src/widget/model.rs
@@ -65,7 +65,7 @@ pub trait Layout {
 
     /// Whether `WidgetHost::measure` should prefer [`intrinsic_size`](Layout::intrinsic_size)'s
     /// width over the current rect width (Dropdown's `auto_width` measure override — hosts size
-    /// it from `measure`, e.g. cce-system-settings' page dropdown). Default: keep the legacy
+    /// it from `measure`, e.g. cce-system-interface' page dropdown). Default: keep the legacy
     /// `WidgetHost::measure` width (the current rect's).
     fn intrinsic_measure_width(&self) -> bool {
         false