feat: render teammate avatars with initials fallback on live cursors so it is always clear who each pointer belongs to

web/src/components/app/presence/CanvasCursors.tsx

@@ -14,7 +14,7 @@ export default function CanvasCursors({ cursors }: { cursors: RemoteCursor[] })
     return (
         <div className="pointer-events-none absolute inset-0 z-20 overflow-hidden">
             {cursors.map((c) => (
-                <Cursor key={c.userId} color={c.color} name={c.name} left={x + c.x * zoom} top={y + c.y * zoom} />
+                <Cursor key={c.userId} color={c.color} name={c.name} avatar={c.avatar} left={x + c.x * zoom} top={y + c.y * zoom} />
             ))}
         </div>
     );

web/src/components/app/presence/Cursor.tsx

@@ -1,17 +1,29 @@
 // Cursor — one teammate's live pointer, positioned in screen space by the layer
-// that renders it (canvas or page). A short CSS transition smooths the gaps
-// between throttled frames so movement reads as continuous.
+// that renders it (canvas or page). The label carries the person's real avatar
+// (initials fallback) next to their name so it is always clear who it is. A
+// short CSS transition smooths the gaps between throttled frames.
 
 import React from "react";
+import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
+
+function initialsOf(name: string | null): string {
+    if (!name) return "?";
+    const parts = name.trim().split(/\s+/).filter(Boolean);
+    if (parts.length === 0) return "?";
+    if (parts.length === 1) return parts[0].slice(0, 2).toUpperCase();
+    return (parts[0][0] + parts[parts.length - 1][0]).toUpperCase();
+}
 
 export default function Cursor({
     color,
     name,
+    avatar,
     left,
     top,
 }: {
     color: string;
     name: string | null;
+    avatar?: string | null;
     left: number;
     top: number;
 }) {
@@ -35,13 +47,21 @@ export default function Cursor({
                     strokeLinejoin="round"
                 />
             </svg>
-            {name ? (
-                <span
-                    className="absolute left-3.5 top-3.5 max-w-[140px] truncate rounded-full px-1.5 py-0.5 text-[10.5px] font-medium text-white shadow-sm"
+            {name || avatar ? (
+                <div
+                    className="absolute left-3 top-3.5 flex max-w-[160px] items-center gap-1 rounded-full py-0.5 pl-0.5 pr-2 shadow-sm"
                     style={{ backgroundColor: color }}
                 >
-                    {name}
-                </span>
+                    <Avatar className="size-3.5 shrink-0 ring-1 ring-white/80">
+                        {avatar ? <AvatarImage src={avatar} alt={name ?? ""} /> : null}
+                        <AvatarFallback className="bg-white/90 text-[7px] font-semibold text-slate-700">
+                            {initialsOf(name)}
+                        </AvatarFallback>
+                    </Avatar>
+                    {name ? (
+                        <span className="truncate text-[10.5px] font-medium leading-none text-white">{name}</span>
+                    ) : null}
+                </div>
             ) : null}
         </div>
     );

web/src/components/app/presence/GlobalCursors.tsx

@@ -123,7 +123,7 @@ function GlobalCursorsOverlay({ scrollRef }: { scrollRef: React.RefObject<HTMLEl
             style={{ left: r.left, top: r.top, width: r.width, height: r.height }}
         >
             {live.cursors.map((c) => (
-                <Cursor key={c.userId} color={c.color} name={c.name} left={c.x - sl} top={c.y - st} />
+                <Cursor key={c.userId} color={c.color} name={c.name} avatar={c.avatar} left={c.x - sl} top={c.y - st} />
             ))}
         </div>
     );