Add similar app recommendations from shared categories

src/ui/detail_view.rs

@@ -868,6 +868,38 @@ fn build_overview_tab(record: &AppImageRecord, db: &Rc<Database>) -> gtk::Box {
     }
     inner.append(&info_group);
 
+    // "You might also like" - similar apps from the user's library
+    if let Some(ref cats) = record.categories {
+        if let Ok(similar) = db.find_similar_apps(cats, record.id, 4) {
+            if !similar.is_empty() {
+                let similar_group = adw::PreferencesGroup::builder()
+                    .title("You might also like")
+                    .build();
+
+                for (id, name, icon_path) in &similar {
+                    let row = adw::ActionRow::builder()
+                        .title(name.as_str())
+                        .activatable(true)
+                        .build();
+
+                    let icon = widgets::app_icon(
+                        icon_path.as_deref(),
+                        name,
+                        32,
+                    );
+                    row.add_prefix(&icon);
+
+                    // Store the record ID in the widget name for navigation
+                    row.set_widget_name(&format!("similar-{}", id));
+
+                    similar_group.add(&row);
+                }
+
+                inner.append(&similar_group);
+            }
+        }
+    }
+
     clamp.set_child(Some(&inner));
     tab.append(&clamp);
     tab