diff --git a/apps/webui/next.config.ts b/apps/webui/next.config.ts
index f5b3d39..a79ac4a 100644
--- a/apps/webui/next.config.ts
+++ b/apps/webui/next.config.ts
@@ -5,9 +5,7 @@ const nextConfig: NextConfig = {
   output: 'standalone',
   transpilePackages: ['@nexumi/shared'],
   outputFileTracingRoot: path.join(__dirname, '../..'),
-  // Keep Node-only packages out of the Next server webpack bundle so they
-  // cannot break React's RSC/client boundary during page-data collection.
-  serverExternalPackages: ['@sentry/node', '@prisma/client', 'ioredis', 'bullmq']
+  serverExternalPackages: ['@prisma/client', 'ioredis', 'bullmq']
 };
 
 export default nextConfig;
diff --git a/apps/webui/package.json b/apps/webui/package.json
index 1d07fd6..910df60 100644
--- a/apps/webui/package.json
+++ b/apps/webui/package.json
@@ -23,7 +23,6 @@
     "@radix-ui/react-separator": "^1.1.12",
     "@radix-ui/react-slot": "^1.3.0",
     "@radix-ui/react-switch": "^1.3.4",
-    "@sentry/node": "^10.67.0",
     "bullmq": "^5.34.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
diff --git a/apps/webui/src/app/dashboard/page.tsx b/apps/webui/src/app/dashboard/page.tsx
index a90df44..685ad50 100644
--- a/apps/webui/src/app/dashboard/page.tsx
+++ b/apps/webui/src/app/dashboard/page.tsx
@@ -1,29 +1,9 @@
-import type { DashboardGuild } from '@nexumi/shared';
-import Link from 'next/link';
-import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
-import { Badge } from '@/components/ui/badge';
-import { Button } from '@/components/ui/button';
-import { Card, CardContent } from '@/components/ui/card';
+import { DashboardGuildGrid } from '@/components/dashboard/dashboard-guild-grid';
 import { requireAuthOrRedirect } from '@/lib/auth';
 import { env } from '@/lib/env';
 import { getManageableGuilds } from '@/lib/guilds';
 import { getLocale, t } from '@/lib/i18n';
 
-function guildIconUrl(guild: Pick<DashboardGuild, 'id' | 'icon'>): string | undefined {
-  return guild.icon ? `https://cdn.discordapp.com/icons/${guild.id}/${guild.icon}.png?size=64` : undefined;
-}
-
-function initials(name: string): string {
-  return (
-    name
-      .split(' ')
-      .filter(Boolean)
-      .slice(0, 2)
-      .map((part) => part[0]?.toUpperCase())
-      .join('') || '?'
-  );
-}
-
 function buildInviteUrl(guildId: string): string {
   const url = new URL('https://discord.com/api/oauth2/authorize');
   url.searchParams.set('client_id', env.BOT_CLIENT_ID);
@@ -38,6 +18,11 @@ export default async function DashboardGuildListPage() {
   const guilds = await getManageableGuilds(session);
   const locale = await getLocale();
 
+  const inviteUrls: Record<string, string> = {};
+  for (const guild of guilds) {
+    inviteUrls[guild.id] = buildInviteUrl(guild.id);
+  }
+
   return (
     <main className="flex min-h-screen justify-center px-6 py-10">
       <div className="w-full max-w-[1200px] space-y-6">
@@ -46,47 +31,16 @@ export default async function DashboardGuildListPage() {
           <p className="text-sm text-muted-foreground">{t(locale, 'dashboard.guildList.subtitle')}</p>
         </div>
 
-        {guilds.length === 0 ? (
-          <Card>
-            <CardContent className="py-10 text-center text-sm text-muted-foreground">
-              {t(locale, 'dashboard.guildList.empty')}
-            </CardContent>
-          </Card>
-        ) : (
-          <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
-            {guilds.map((guild) => (
-              <Card key={guild.id}>
-                <CardContent className="flex flex-col gap-4 p-5">
-                  <div className="flex items-center gap-3">
-                    <Avatar className="size-10">
-                      <AvatarImage src={guildIconUrl(guild)} alt={guild.name} />
-                      <AvatarFallback>{initials(guild.name)}</AvatarFallback>
-                    </Avatar>
-                    <div className="min-w-0">
-                      <p className="truncate font-medium">{guild.name}</p>
-                      {!guild.botPresent && (
-                        <Badge variant="outline" className="mt-1">
-                          {t(locale, 'dashboard.guildList.botMissing')}
-                        </Badge>
-                      )}
-                    </div>
-                  </div>
-                  {guild.botPresent ? (
-                    <Button asChild>
-                      <Link href={`/dashboard/${guild.id}`}>{t(locale, 'dashboard.guildList.manage')}</Link>
-                    </Button>
-                  ) : (
-                    <Button asChild variant="outline">
-                      <a href={buildInviteUrl(guild.id)} target="_blank" rel="noreferrer">
-                        {t(locale, 'dashboard.guildList.invite')}
-                      </a>
-                    </Button>
-                  )}
-                </CardContent>
-              </Card>
-            ))}
-          </div>
-        )}
+        <DashboardGuildGrid
+          guilds={guilds}
+          inviteUrls={inviteUrls}
+          labels={{
+            empty: t(locale, 'dashboard.guildList.empty'),
+            botMissing: t(locale, 'dashboard.guildList.botMissing'),
+            manage: t(locale, 'dashboard.guildList.manage'),
+            invite: t(locale, 'dashboard.guildList.invite')
+          }}
+        />
       </div>
     </main>
   );
diff --git a/apps/webui/src/components/dashboard/dashboard-guild-grid.tsx b/apps/webui/src/components/dashboard/dashboard-guild-grid.tsx
new file mode 100644
index 0000000..5fa682d
--- /dev/null
+++ b/apps/webui/src/components/dashboard/dashboard-guild-grid.tsx
@@ -0,0 +1,86 @@
+'use client';
+
+import type { DashboardGuild } from '@nexumi/shared';
+import Link from 'next/link';
+import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
+import { Badge } from '@/components/ui/badge';
+import { Button } from '@/components/ui/button';
+import { Card, CardContent } from '@/components/ui/card';
+
+function guildIconUrl(guild: Pick<DashboardGuild, 'id' | 'icon'>): string | undefined {
+  return guild.icon
+    ? `https://cdn.discordapp.com/icons/${guild.id}/${guild.icon}.png?size=64`
+    : undefined;
+}
+
+function initials(name: string): string {
+  return (
+    name
+      .split(' ')
+      .filter(Boolean)
+      .slice(0, 2)
+      .map((part) => part[0]?.toUpperCase())
+      .join('') || '?'
+  );
+}
+
+export function DashboardGuildGrid({
+  guilds,
+  inviteUrls,
+  labels
+}: {
+  guilds: DashboardGuild[];
+  inviteUrls: Record<string, string>;
+  labels: {
+    empty: string;
+    botMissing: string;
+    manage: string;
+    invite: string;
+  };
+}) {
+  if (guilds.length === 0) {
+    return (
+      <Card>
+        <CardContent className="py-10 text-center text-sm text-muted-foreground">
+          {labels.empty}
+        </CardContent>
+      </Card>
+    );
+  }
+
+  return (
+    <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+      {guilds.map((guild) => (
+        <Card key={guild.id}>
+          <CardContent className="flex flex-col gap-4 p-5">
+            <div className="flex items-center gap-3">
+              <Avatar className="size-10">
+                <AvatarImage src={guildIconUrl(guild)} alt={guild.name} />
+                <AvatarFallback>{initials(guild.name)}</AvatarFallback>
+              </Avatar>
+              <div className="min-w-0">
+                <p className="truncate font-medium">{guild.name}</p>
+                {!guild.botPresent && (
+                  <Badge variant="outline" className="mt-1">
+                    {labels.botMissing}
+                  </Badge>
+                )}
+              </div>
+            </div>
+            {guild.botPresent ? (
+              <Button asChild>
+                <Link href={`/dashboard/${guild.id}`}>{labels.manage}</Link>
+              </Button>
+            ) : (
+              <Button asChild variant="outline">
+                <a href={inviteUrls[guild.id]} target="_blank" rel="noreferrer">
+                  {labels.invite}
+                </a>
+              </Button>
+            )}
+          </CardContent>
+        </Card>
+      ))}
+    </div>
+  );
+}
diff --git a/apps/webui/src/components/ui/button.tsx b/apps/webui/src/components/ui/button.tsx
index 30ba491..a810f1e 100644
--- a/apps/webui/src/components/ui/button.tsx
+++ b/apps/webui/src/components/ui/button.tsx
@@ -1,3 +1,5 @@
+'use client';
+
 import { Slot } from '@radix-ui/react-slot';
 import { cva, type VariantProps } from 'class-variance-authority';
 import * as React from 'react';
diff --git a/apps/webui/src/instrumentation.ts b/apps/webui/src/instrumentation.ts
deleted file mode 100644
index bce497c..0000000
--- a/apps/webui/src/instrumentation.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export async function register(): Promise<void> {
-  if (process.env.NEXT_RUNTIME === 'nodejs') {
-    const { initWebuiSentry } = await import('./lib/sentry');
-    await initWebuiSentry();
-  }
-}
diff --git a/apps/webui/src/lib/sentry.ts b/apps/webui/src/lib/sentry.ts
index a0e11bd..fa1a59e 100644
--- a/apps/webui/src/lib/sentry.ts
+++ b/apps/webui/src/lib/sentry.ts
@@ -1,43 +1,20 @@
-let initialized = false;
-
+/**
+ * WebUI error reporting stub.
+ *
+ * `@sentry/node` is intentionally not used in the Next.js app: importing it
+ * (even lazily via `instrumentation.ts`) pulled OpenTelemetry into the build
+ * graph and broke page-data collection with
+ * `TypeError: createContext is not a function`. Bot-side Sentry remains in
+ * `apps/bot`. Capture here stays a structured console fallback so call sites
+ * can keep using one API.
+ */
 export async function initWebuiSentry(): Promise<void> {
-  if (initialized) {
-    return;
-  }
-  const dsn = process.env.SENTRY_DSN?.trim();
-  if (!dsn) {
-    return;
-  }
-
-  // Import only when a DSN is configured. Loading `@sentry/node` at module
-  // scope patches Node builtins and can break Next.js page-data collection
-  // (`createContext is not a function`) during `next build`.
-  const Sentry = await import('@sentry/node');
-  Sentry.init({
-    dsn,
-    environment: process.env.NODE_ENV ?? 'production',
-    release: 'nexumi-webui@0.1.0',
-    tracesSampleRate: process.env.NODE_ENV === 'production' ? 0.1 : 1.0,
-    initialScope: {
-      tags: { service: 'webui' }
-    }
-  });
-  initialized = true;
+  // no-op in WebUI
 }
 
 export async function captureWebuiException(
   error: unknown,
   context?: Record<string, unknown>
 ): Promise<void> {
-  const dsn = process.env.SENTRY_DSN?.trim();
-  if (!dsn) {
-    return;
-  }
-  const Sentry = await import('@sentry/node');
-  Sentry.withScope((scope) => {
-    if (context) {
-      scope.setExtras(context);
-    }
-    Sentry.captureException(error);
-  });
+  console.error('[webui]', error, context ?? {});
 }