refactor(ui-egui): move sign_ui.rs into tools/

crates/ui-egui/src/lib.rs

@@ -56,7 +56,6 @@ mod ocr_ui;
 mod optimize_ui;
 mod search_ui;
 pub mod side_panels;
-mod sign_ui;
 mod stamps_ui;
 mod standards_ui;
 /// Header & footer / watermark / background dialog types (tests and automation).
@@ -166,6 +165,7 @@ use tools::measure_ui;
 use tools::object_ui;
 pub use tools::prepare;
 use tools::redact_ui;
+use tools::sign_ui;
 
 /// Files dropped on a document's page grid or its Pages panel.
 struct GridDrop {

crates/ui-egui/src/tools.rs

@@ -12,3 +12,4 @@ pub(super) mod measure_ui;
 pub(super) mod object_ui;
 pub mod prepare;
 pub(super) mod redact_ui;
+pub(super) mod sign_ui;