fix(web): worker avatars are hue-tinted rounded squares like the mockup, with the 8px status dot (CL-9663)

apps/web/src/bench/bench-pill.tsx

@@ -42,12 +42,7 @@ export function BenchPill({
           <Skeleton className="size-6 rounded-full" />
         )
       ) : (
-        <IdentityAvatar
-          kind="agent"
-          name={worker.name}
-          principalId={worker.id}
-          status={status.tone}
-        />
+        <IdentityAvatar kind="agent" name={worker.name} principalId={worker.id} />
       )}
       <b>{benchName}</b>
       <span className="bench-pill-status">{statusLine(status, worker?.name)}</span>

apps/web/src/chat/avatar.css

@@ -0,0 +1,31 @@
+/* Workers are hue-tinted rounded squares, people are ink circles. Unlayered,
+   so it wins over react-ui's utility-layer tone fill. */
+.wb-av--orange {
+  background: var(--hue-orange-bg);
+  color: var(--hue-ink);
+}
+.wb-av--blue {
+  background: var(--hue-blue-bg);
+  color: var(--hue-ink);
+}
+.wb-av--green {
+  background: var(--hue-green-bg);
+  color: var(--hue-ink);
+}
+.wb-av--person {
+  background: var(--ink);
+  color: var(--canvas);
+}
+
+/* The status dot is the only round non-initials child. */
+.wb-av > span.rounded-full {
+  width: 8px;
+  height: 8px;
+  right: -2px;
+  bottom: -2px;
+  background: var(--success);
+  --tw-ring-color: var(--surface);
+}
+.wb-av > span.rounded-full.bg-primary-emphasis {
+  background: var(--action);
+}

apps/web/src/chat/avatar.tsx

@@ -8,6 +8,7 @@ import {
 } from "@corbits/react-ui";
 
 import { agentInitials } from "@/chat/threads-api";
+import "./avatar.css";
 
 // Token references, not hex, so no product code hardcodes a color value.
 export const AVATAR_COLORS = ["--avatar-1", "--avatar-2", "--avatar-3", "--avatar-4"] as const;
@@ -32,6 +33,14 @@ export const avatarColorClass: Record<AvatarColor, string> = {
   "--avatar-4": "bg-(--avatar-4) text-black",
 };
 
+const WORKER_HUES = ["orange", "blue", "green"] as const;
+
+// Hashed off the name: each bench deploys its own copy of a worker with a new
+// principal id, so the id would recolor one worker per bench.
+function workerHueClass(name: string): string {
+  return `wb-av--${WORKER_HUES[hashPrincipal(name) % WORKER_HUES.length]}`;
+}
+
 export function hashPrincipal(principalId: string): number {
   let hash = 0;
   for (let index = 0; index < principalId.length; index += 1) {
@@ -98,7 +107,12 @@ export function WorkbenchAvatar({
       shape={kind === "person" ? "circle" : "square"}
       orbit={kind === "worker" && status === "working"}
       {...(status === undefined ? {} : { status })}
-      {...(className === undefined ? {} : { className })}
+      className={[
+        kind === "person" ? "wb-av wb-av--person" : `wb-av ${workerHueClass(name)}`,
+        className,
+      ]
+        .filter((c) => c !== undefined)
+        .join(" ")}
     />
   );
 }