feat: things

src/app_common/Model.zig

@@ -36,6 +36,8 @@ pub fn preCurrentItemsUnload(ctx: *anyopaque, tab: *Tab) void {
 }
 
 pub fn deinit(self: *@This()) void {
+    self.appState.tabPreCurrentItemsUnload.detach(&self._private.preCurrentItemsUnload);
+    self.appState.deinit();
     self.current_items_allocator.deinit();
 }