改了一下ui

apps/desktop/src/main.rs

@@ -88,7 +88,7 @@ fn start_backend_and_window(app: &tauri::App) -> Result<(), String> {
     }
 
     WebviewWindowBuilder::new(app, "main", WebviewUrl::default())
-        .title("Lumen Desktop")
+        .title("Lumen")
         .inner_size(1440.0, 900.0)
         .initialization_script(&format!("window.__BACKEND_PORT__ = {};", port))
         .build()

apps/desktop/tauri.conf.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
-  "productName": "Lumen Desktop",
+  "productName": "Lumen",
   "version": "0.1.0",
   "identifier": "com.example.mercury",
   "build": {
@@ -20,4 +20,4 @@
     },
     "useLocalToolsDir": true
   }
-}
+}

packages/ui/src/App.empty-state.test.tsx

@@ -51,4 +51,45 @@ describe("App empty state", () => {
     expect(screen.getByRole("dialog")).toBeTruthy();
     expect(screen.getByText("Choose an OPML file to merge subscriptions into your library. Existing feeds are preserved.")).toBeTruthy();
   });
+
+  it("closes the feed add menu when clicking outside", async () => {
+    const { App } = await import("./App");
+
+    render(<App />);
+
+    await waitFor(() => {
+      expect(document.querySelector(".reader-workspace")?.getAttribute("aria-busy")).toBe("false");
+    });
+
+    fireEvent.click(screen.getByTitle("Add Feed..."));
+    expect(screen.getByText("Import OPML...")).toBeTruthy();
+
+    fireEvent.mouseDown(document.body);
+
+    await waitFor(() => {
+      expect(screen.queryByText("Import OPML...")).toBeNull();
+    });
+  });
+
+  it("keeps only one feeds menu open at a time", async () => {
+    const { App } = await import("./App");
+
+    render(<App />);
+
+    await waitFor(() => {
+      expect(document.querySelector(".reader-workspace")?.getAttribute("aria-busy")).toBe("false");
+    });
+
+    fireEvent.click(screen.getByTitle("Add Feed..."));
+    expect(screen.getByText("Import OPML...")).toBeTruthy();
+
+    const feedsMenuButton = screen.getByTitle("Feeds");
+    fireEvent.mouseDown(feedsMenuButton);
+    fireEvent.click(feedsMenuButton);
+
+    await waitFor(() => {
+      expect(screen.queryByText("Import OPML...")).toBeNull();
+    });
+    expect(screen.getByText("Sync Now")).toBeTruthy();
+  });
 });

packages/ui/src/App.tsx

@@ -2292,9 +2292,44 @@ function MenuButton(props: {
   items: Array<{ label: string; action: () => void; disabled?: boolean; destructive?: boolean }>;
 }) {
   const [open, setOpen] = useState(false);
+  const rootRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    if (!open) {
+      return;
+    }
+
+    const handleMouseDown = (event: MouseEvent) => {
+      if (rootRef.current?.contains(event.target as Node)) {
+        return;
+      }
+      setOpen(false);
+    };
+
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === "Escape") {
+        setOpen(false);
+      }
+    };
+
+    window.addEventListener("mousedown", handleMouseDown);
+    window.addEventListener("keydown", handleKeyDown);
+
+    return () => {
+      window.removeEventListener("mousedown", handleMouseDown);
+      window.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [open]);
+
   return (
-    <div className="menu-root">
-      <button className="icon-button" type="button" onClick={() => setOpen(!open)} title={props.label}>
+    <div ref={rootRef} className="menu-root">
+      <button
+        className="icon-button"
+        type="button"
+        aria-expanded={open}
+        onClick={() => setOpen(!open)}
+        title={props.label}
+      >
         {props.icon ?? <MoreHorizontal size={17} aria-hidden />}
       </button>
       {open && (