chore: simplify page loading logic

web/src/components/Skeleton.tsx

 import { cn } from "@/lib/utils";
 
-interface Props {
+interface SkeletonProps {
   showCreator?: boolean;
   count?: number;
 }
 
-// Memo card skeleton component for list loading states
-const MemoCardSkeleton = ({ showCreator = false, index = 0 }: { showCreator?: boolean; index?: number }) => (
-  <div className="relative flex flex-col justify-start items-start bg-card w-full px-4 py-3 mb-2 gap-2 rounded-lg border border-border animate-pulse">
-    {/* Header section */}
-    <div className="w-full flex flex-row justify-between items-center gap-2">
-      <div className="w-auto max-w-[calc(100%-8rem)] grow flex flex-row justify-start items-center">
+const skeletonBase = "bg-muted/70 rounded animate-pulse";
+
+const MemoCardSkeleton = ({ showCreator, index }: { showCreator?: boolean; index: number }) => (
+  <div className="relative flex flex-col bg-card w-full px-4 py-3 mb-2 gap-2 rounded-lg border border-border">
+    <div className="w-full flex justify-between items-center gap-2">
+      <div className="grow flex items-center max-w-[calc(100%-8rem)]">
         {showCreator ? (
-          <div className="w-full flex flex-row justify-start items-center gap-2">
-            <div className="w-8 h-8 rounded-full bg-muted shrink-0" />
-            <div className="w-full flex flex-col justify-center items-start gap-1">
-              <div className="h-4 w-24 bg-muted rounded" />
-              <div className="h-3 w-16 bg-muted rounded" />
+          <div className="w-full flex items-center gap-2">
+            <div className={cn("w-8 h-8 rounded-full shrink-0", skeletonBase)} />
+            <div className="flex flex-col gap-1">
+              <div className={cn("h-4 w-24", skeletonBase)} />
+              <div className={cn("h-3 w-16", skeletonBase)} />
             </div>
           </div>
         ) : (
-          <div className="h-4 w-32 bg-muted rounded" />
+          <div className={cn("h-4 w-32", skeletonBase)} />
         )}
       </div>
-      {/* Action buttons skeleton */}
-      <div className="flex flex-row gap-2">
-        <div className="w-4 h-4 bg-muted rounded" />
-        <div className="w-4 h-4 bg-muted rounded" />
+      <div className="flex gap-2">
+        <div className={cn("w-4 h-4", skeletonBase)} />
+        <div className={cn("w-4 h-4", skeletonBase)} />
       </div>
     </div>
-
-    {/* Content section */}
-    <div className="w-full flex flex-col gap-2">
     <div className="space-y-2">
-        <div className={cn("h-4 bg-muted rounded", index % 3 === 0 ? "w-full" : index % 3 === 1 ? "w-4/5" : "w-5/6")} />
-        <div className={cn("h-4 bg-muted rounded", index % 2 === 0 ? "w-3/4" : "w-4/5")} />
-        {index % 2 === 0 && <div className="h-4 w-2/3 bg-muted rounded" />}
-      </div>
+      <div className={cn("h-4", skeletonBase, index % 3 === 0 ? "w-full" : index % 3 === 1 ? "w-4/5" : "w-5/6")} />
+      <div className={cn("h-4", skeletonBase, index % 2 === 0 ? "w-3/4" : "w-4/5")} />
+      {index % 2 === 0 && <div className={cn("h-4 w-2/3", skeletonBase)} />}
     </div>
   </div>
 );
 
 /**
- * Skeleton loading state for memo lists.
- * Use this for initial memo list loading and pagination.
- * For generic page/route loading, use Spinner instead.
+ * Memo list loading skeleton - shows card structure while loading.
+ * Only use for memo lists in PagedMemoList component.
  */
-const Skeleton = ({ showCreator = false, count = 4 }: Props) => (
+const Skeleton = ({ showCreator = false, count = 4 }: SkeletonProps) => (
   <div className="w-full max-w-2xl mx-auto">
-    {Array.from({ length: count }).map((_, index) => (
-      <MemoCardSkeleton key={index} showCreator={showCreator} index={index} />
+    {Array.from({ length: count }, (_, i) => (
+      <MemoCardSkeleton key={i} showCreator={showCreator} index={i} />
     ))}
   </div>
 );

web/src/components/Spinner.tsx

-import { LoaderIcon } from "lucide-react";
-import { cn } from "@/lib/utils";
-
-interface Props {
-  className?: string;
-  size?: "sm" | "md" | "lg";
-}
-
-const Spinner = ({ className, size = "md" }: Props) => {
-  const sizeClasses = {
-    sm: "w-4 h-4",
-    md: "w-6 h-6",
-    lg: "w-8 h-8",
-  };
-
-  return <LoaderIcon className={cn("animate-spin", sizeClasses[size], className)} />;
-};
-
-export default Spinner;

web/src/components/UserMemoMap/UserMemoMap.tsx

@@ -8,7 +8,6 @@ import { MapContainer, Marker, Popup, useMap } from "react-leaflet";
 import MarkerClusterGroup from "react-leaflet-cluster";
 import { Link } from "react-router-dom";
 import { defaultMarkerIcon, ThemedTileLayer } from "@/components/map/map-utils";
-import Spinner from "@/components/Spinner";
 import { useInfiniteMemos } from "@/hooks/useMemoQueries";
 import { cn } from "@/lib/utils";
 import { State } from "@/types/proto/api/v1/common_pb";
@@ -64,13 +63,7 @@ const UserMemoMap = ({ creator, className }: Props) => {
 
   const memosWithLocation = useMemo(() => data?.pages.flatMap((page) => page.memos).filter((memo) => memo.location) || [], [data]);
 
-  if (isLoading) {
-    return (
-      <div className="w-full h-[380px] flex items-center justify-center rounded-xl border border-border bg-muted/30">
-        <Spinner className="w-8 h-8" />
-      </div>
-    );
-  }
+  if (isLoading) return null;
 
   const defaultCenter = { lat: 48.8566, lng: 2.3522 };
 

web/src/layouts/RootLayout.tsx

-import { Suspense, useEffect, useMemo } from "react";
+import { useEffect, useMemo } from "react";
 import { Outlet, useLocation, useSearchParams } from "react-router-dom";
 import usePrevious from "react-use/lib/usePrevious";
 import Navigation from "@/components/Navigation";
-import Spinner from "@/components/Spinner";
 import { useInstance } from "@/contexts/InstanceContext";
 import { useMemoFilterContext } from "@/contexts/MemoFilterContext";
 import useCurrentUser from "@/hooks/useCurrentUser";
@@ -47,15 +46,7 @@ const RootLayout = () => {
         </div>
       )}
       <main className="w-full h-auto grow shrink flex flex-col justify-start items-center">
-        <Suspense
-          fallback={
-            <div className="w-full h-64 flex items-center justify-center">
-              <Spinner size="lg" />
-            </div>
-          }
-        >
         <Outlet />
-        </Suspense>
       </main>
     </div>
   );

web/src/main.tsx

@@ -8,7 +8,6 @@ import { RouterProvider } from "react-router-dom";
 import "./i18n";
 import "./index.css";
 import { ErrorBoundary } from "@/components/ErrorBoundary";
-import Spinner from "@/components/Spinner";
 import { AuthProvider, useAuth } from "@/contexts/AuthContext";
 import { InstanceProvider, useInstance } from "@/contexts/InstanceContext";
 import { ViewProvider } from "@/contexts/ViewContext";
@@ -41,11 +40,7 @@ function AppInitializer({ children }: { children: React.ReactNode }) {
   }, [initAuth, initInstance]);
 
   if (!authInitialized || !instanceInitialized) {
-    return (
-      <div className="w-full h-screen flex items-center justify-center">
-        <Spinner size="lg" />
-      </div>
-    );
+    return null;
   }
 
   return <>{children}</>;

web/src/pages/AuthCallback.tsx

@@ -2,7 +2,6 @@ import { timestampDate } from "@bufbuild/protobuf/wkt";
 import { useEffect, useState } from "react";
 import { useSearchParams } from "react-router-dom";
 import { setAccessToken } from "@/auth-state";
-import Spinner from "@/components/Spinner";
 import { authServiceClient } from "@/connect";
 import { useAuth } from "@/contexts/AuthContext";
 import { absolutifyLink } from "@/helpers/utils";
@@ -110,13 +109,11 @@ const AuthCallback = () => {
     })();
   }, [searchParams, navigateTo]);
 
+  if (state.loading) return null;
+
   return (
     <div className="p-4 py-24 w-full h-full flex justify-center items-center">
-      {state.loading ? (
-        <Spinner size="lg" />
-      ) : (
       <div className="max-w-lg font-mono whitespace-pre-wrap opacity-80">{state.errorMessage}</div>
-      )}
     </div>
   );
 };

web/src/router/MemoDetailRedirect.tsx

-import { Navigate, useParams } from "react-router-dom";
-
-const MemoDetailRedirect = () => {
-  const { uid } = useParams();
-  return <Navigate to={`/memos/${uid}`} replace />;
-};
-
-export default MemoDetailRedirect;

web/src/router/index.tsx

-import type { ComponentType } from "react";
-import { lazy, Suspense } from "react";
+import { lazy } from "react";
 import { createBrowserRouter } from "react-router-dom";
 import App from "@/App";
-import Spinner from "@/components/Spinner";
 import MainLayout from "@/layouts/MainLayout";
 import RootLayout from "@/layouts/RootLayout";
 import Home from "@/pages/Home";
@@ -20,7 +18,6 @@ const Setting = lazy(() => import("@/pages/Setting"));
 const SignIn = lazy(() => import("@/pages/SignIn"));
 const SignUp = lazy(() => import("@/pages/SignUp"));
 const UserProfile = lazy(() => import("@/pages/UserProfile"));
-const MemoDetailRedirect = lazy(() => import("./MemoDetailRedirect"));
 
 import { ROUTES } from "./routes";
 
@@ -28,19 +25,6 @@ import { ROUTES } from "./routes";
 export const Routes = ROUTES;
 export { ROUTES };
 
-// Helper component to reduce Suspense boilerplate for lazy routes
-const LazyRoute = ({ component: Component }: { component: ComponentType }) => (
-  <Suspense
-    fallback={
-      <div className="w-full h-64 flex items-center justify-center">
-        <Spinner size="lg" />
-      </div>
-    }
-  >
-    <Component />
-  </Suspense>
-);
-
 const router = createBrowserRouter([
   {
     path: "/",
@@ -49,10 +33,10 @@ const router = createBrowserRouter([
       {
         path: Routes.AUTH,
         children: [
-          { path: "", element: <LazyRoute component={SignIn} /> },
-          { path: "admin", element: <LazyRoute component={AdminSignIn} /> },
-          { path: "signup", element: <LazyRoute component={SignUp} /> },
-          { path: "callback", element: <LazyRoute component={AuthCallback} /> },
+          { path: "", element: <SignIn /> },
+          { path: "admin", element: <AdminSignIn /> },
+          { path: "signup", element: <SignUp /> },
+          { path: "callback", element: <AuthCallback /> },
         ],
       },
       {
@@ -63,20 +47,18 @@ const router = createBrowserRouter([
             element: <MainLayout />,
             children: [
               { path: "", element: <Home /> },
-              { path: Routes.EXPLORE, element: <LazyRoute component={Explore} /> },
-              { path: Routes.ARCHIVED, element: <LazyRoute component={Archived} /> },
-              { path: "u/:username", element: <LazyRoute component={UserProfile} /> },
+              { path: Routes.EXPLORE, element: <Explore /> },
+              { path: Routes.ARCHIVED, element: <Archived /> },
+              { path: "u/:username", element: <UserProfile /> },
             ],
           },
-          { path: Routes.ATTACHMENTS, element: <LazyRoute component={Attachments} /> },
-          { path: Routes.INBOX, element: <LazyRoute component={Inboxes} /> },
-          { path: Routes.SETTING, element: <LazyRoute component={Setting} /> },
-          { path: "memos/:uid", element: <LazyRoute component={MemoDetail} /> },
-          // Redirect old path to new path
-          { path: "m/:uid", element: <LazyRoute component={MemoDetailRedirect} /> },
-          { path: "403", element: <LazyRoute component={PermissionDenied} /> },
-          { path: "404", element: <LazyRoute component={NotFound} /> },
-          { path: "*", element: <LazyRoute component={NotFound} /> },
+          { path: Routes.ATTACHMENTS, element: <Attachments /> },
+          { path: Routes.INBOX, element: <Inboxes /> },
+          { path: Routes.SETTING, element: <Setting /> },
+          { path: "memos/:uid", element: <MemoDetail /> },
+          { path: "403", element: <PermissionDenied /> },
+          { path: "404", element: <NotFound /> },
+          { path: "*", element: <NotFound /> },
         ],
       },
     ],