Optionally sort imported add-on files by category

client/__tests__/ImportSettings.test.tsx

@@ -29,6 +29,7 @@ const baseConfig: ImportConfig = {
   libraryRoot: "/data/library",
   transferMode: "hardlink",
   autoDeleteAfterImport: false,
+  sortExtras: false,
   importPlatformIds: [],
   renamePattern: "{Title} ({Year})",
 } as unknown as ImportConfig;
@@ -107,6 +108,23 @@ describe("ImportSettings", () => {
     });
   });
 
+  it("allows category subfolders to be enabled", async () => {
+    const { apiRequest } = await import("@/lib/queryClient");
+    renderComponent();
+    await screen.findByText("Sort add-on files into subfolders");
+
+    fireEvent.click(screen.getAllByRole("switch")[4]);
+    fireEvent.click(screen.getByRole("button", { name: /save changes/i }));
+
+    await waitFor(() => {
+      expect(apiRequest).toHaveBeenCalledWith(
+        "PATCH",
+        "/api/imports/config",
+        expect.objectContaining({ sortExtras: true })
+      );
+    });
+  });
+
   it("filters platforms by search text", async () => {
     renderComponent();
     await screen.findByText("PC (Microsoft Windows)");

client/src/components/ImportSettings.tsx

@@ -291,6 +291,23 @@
                           }
                         />
                       </div>
+                      <div className="flex items-center justify-between">
+                        <div className="space-y-0.5">
+                          <Label>Sort add-on files into subfolders</Label>
+                          <p className="text-xs text-muted-foreground">
+                            For directory imports, place detected DLC, updates, and extras in
+                            <code> dlc/</code>, <code>update/</code>, and <code>extra/</code>{" "}
+                            subfolders inside the game folder. Single-file imports keep their
+                            existing layout.
+                          </p>
+                        </div>
+                        <Switch
+                          checked={localConfig.sortExtras}
+                          onCheckedChange={(checked) =>
+                            setLocalConfig({ ...localConfig, sortExtras: checked })
+                          }
+                        />
+                      </div>
                     </div>
 
                     <Separator className="mb-6" />

migrations/0026_chemical_nightmare.sql

@@ -0,0 +1 @@
+ALTER TABLE `user_settings` ADD `sort_extras` integer DEFAULT false NOT NULL;