Merge PR #306: surface About command in Manage ribbon (#302)

src/modules/draw/mod.rs

@@ -1,6 +1,5 @@
 // Draw module — Draw, Modify, Annotation and Layer tools.
 
-mod about;
 mod changelog;
 pub mod clipboard;
 pub mod defaults;

src/modules/manage/about.rs

@@ -1,6 +1,5 @@
 use crate::modules::{IconKind, ModuleEvent, ToolDef};
 
-#[allow(dead_code)]
 pub fn tool() -> ToolDef {
     ToolDef {
         id: "ABOUT",

src/modules/manage/mod.rs

@@ -1,5 +1,6 @@
 // Manage module — customization and drawing cleanup tools.
 
+mod about;
 mod audit;
 mod cui_export;
 mod cui_import;
@@ -75,6 +76,11 @@ impl CadModule for ManageModule {
                         RibbonItem::Tool(audit::tool()),
                     ],
                 },
+                // ── Application ───────────────────────────────────────────────────
+                RibbonGroup {
+                    title: "Application",
+                    tools: vec![RibbonItem::LargeTool(about::tool())],
+                },
             ]
         })
     }