remove grid view for streams

- Reduces surface area
- Reduces options for people (less cognitive load)
- One way to use the product
- List view works better for keyboard shortcuts
- List view has basics such as recency

js/src/features/particles/particle-grid-view.tsx

@@ -1,51 +0,0 @@
-import { useNavigate } from "react-router-dom";
-import { Radio } from "lucide-react";
-import { Progress } from "@/components/ui/progress";
-import type { StreamParticle } from "@/hooks/use-stream-particles";
-import { StreamCard } from "@/features/particles/stream-card";
-import { StreamContextMenu } from "@/features/particles/stream-context-menu";
-
-interface ParticleGridViewProps {
-  streams: StreamParticle[];
-  networkId: string;
-  isLoading: boolean;
-  selectedIndex?: number | null;
-}
-
-export function ParticleGridView({ streams, networkId, isLoading, selectedIndex }: ParticleGridViewProps) {
-  const navigate = useNavigate();
-
-  if (isLoading) {
-    return <Progress />;
-  }
-
-  if (streams.length === 0) {
-    return (
-      <div className="mx-auto flex h-full max-w-sm flex-col items-center justify-center gap-2 px-4 text-center">
-        <Radio className="text-muted-foreground size-8" />
-        <p className="text-muted-foreground text-sm">
-          No recent streams yet. Start a conversation using the keyboard
-          shortcuts below.
-        </p>
-      </div>
-    );
-  }
-
-  return (
-    <div className="grid grid-cols-3 gap-3 px-3">
-      {streams.map((stream, index) => (
-        <StreamContextMenu key={stream.id} particle={stream} networkId={networkId}>
-          <div ref={index === selectedIndex ? (el) => el?.scrollIntoView({ block: "nearest" }) : undefined}>
-            <StreamCard
-              particle={stream}
-              networkId={networkId}
-              onClick={() => navigate(`/${networkId}/${stream.id}`)}
-              isSelected={index === selectedIndex}
-              shortcutKey={index < 9 ? index + 1 : undefined}
-            />
-          </div>
-        </StreamContextMenu>
-      ))}
-    </div>
-  );
-}