Add AppImageHub in-app catalog browser with search, categories, and install

src/window.rs

@@ -17,6 +17,7 @@ use crate::core::security;
 use crate::core::updater;
 use crate::core::watcher;
 use crate::i18n::{i18n, ni18n_f};
+use crate::ui::catalog_view;
 use crate::ui::cleanup_wizard;
 use crate::ui::dashboard;
 use crate::ui::detail_view;
@@ -150,6 +151,7 @@ impl DriftwoodWindow {
         section2.append(Some(&i18n("Find Duplicates")), Some("win.find-duplicates"));
         section2.append(Some(&i18n("Security Report")), Some("win.security-report"));
         section2.append(Some(&i18n("Disk Cleanup")), Some("win.cleanup"));
+        section2.append(Some(&i18n("Browse Catalog")), Some("win.catalog"));
         menu.append_section(None, &section2);
 
         let section3 = gio::Menu::new();
@@ -566,6 +568,16 @@ impl DriftwoodWindow {
             })
             .build();
 
+        // Catalog browser action
+        let catalog_action = gio::ActionEntry::builder("catalog")
+            .activate(|window: &Self, _, _| {
+                let db = window.database().clone();
+                let catalog_page = catalog_view::build_catalog_page(&db);
+                let nav = window.imp().navigation_view.get().unwrap();
+                nav.push(&catalog_page);
+            })
+            .build();
+
         // Show keyboard shortcuts dialog
         let shortcuts_action = gio::ActionEntry::builder("show-shortcuts")
             .activate(|window: &Self, _, _| {
@@ -595,6 +607,7 @@ impl DriftwoodWindow {
             find_duplicates_action,
             security_report_action,
             cleanup_action,
+            catalog_action,
             shortcuts_action,
             show_drop_hint_action,
         ]);
@@ -929,6 +942,9 @@ impl DriftwoodWindow {
         let db = self.database();
         let library_view = self.imp().library_view.get().unwrap();
 
+        // Ensure default catalog sources exist
+        crate::core::catalog::ensure_default_sources(db);
+
         match db.get_all_appimages() {
             Ok(records) if !records.is_empty() => {
                 library_view.populate(records);