Port BR-95 desktop to Next.js components

br95/components/windows/BlackstreamWindow.tsx

@@ -0,0 +1,33 @@
+import React from 'react';
+import WindowFrame from '../shared/WindowFrame';
+import { WindowState } from '../../hooks/useWindowManager';
+
+type Props = {
+  state: WindowState;
+  onClose: (id: string) => void;
+  onMinimize: (id: string) => void;
+  onMaximize: (id: string) => void;
+  onDragStart: (id: string, event: React.MouseEvent) => void;
+  onFocus: (id: string) => void;
+};
+
+export default function BlackstreamWindow({ state, ...handlers }: Props) {
+  return (
+    <WindowFrame id="blackstream" title="BlackStream" icon="📺" state={state} {...handlers}>
+      <div className="window-inner">
+        <div className="content-header">
+          <h2>Trending Streams</h2>
+          <p>OS demos, agent orchestration runs, and live RoadChain dashboards</p>
+        </div>
+        <div className="content-body">
+          <div
+            className="card"
+            style={{ height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: 13, color: 'var(--br-muted)' }}
+          >
+            Embedded stream player coming soon.
+          </div>
+        </div>
+      </div>
+    </WindowFrame>
+  );
+}