/display page woooo

webui/src/display/ServerDisplayApp/components/DisplayChatFeed.jsx

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+// Display Chat Feed
+// Purpose: Shows the existing chat panel scaled for distance viewing.
+// Scope: Uses ChatPanel minimal mode so the display route reuses normal chat behavior without input chrome.
+import ChatPanel from '../../../components/ChatPanel/index.jsx';
+
+export default function DisplayChatFeed() {
+  const displayChatScale = 2.35;
+
+  return (
+    <section className="h-full min-h-0 overflow-hidden border-t border-slate-800 bg-black p-[0.45vw]">
+      <div
+        className="origin-top-left"
+        style={{
+          // ChatPanel is shared with the normal UI and intentionally compact.
+          // Scaling the whole panel keeps message rendering, scrolling, typing
+          // rows, and future chat behavior in one place while making the display
+          // readable. Width and height compensation reserve the unscaled layout
+          // space that becomes exactly one full chat band after transform.
+          width: `calc(100% / ${displayChatScale})`,
+          height: `calc(100% / ${displayChatScale})`,
+          transform: `scale(${displayChatScale})`,
+        }}
+      >
+        <ChatPanel minimal fillHeight hideSpectatorNotice />
+      </div>
+    </section>
+  );
+}

webui/src/display/ServerDisplayApp/components/DisplayRoverCell.jsx

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+// Display Rover Cell
+// Purpose: Shows one rover's room-readable driver and battery status.
+// Scope: Reuses shared rover/battery presentation primitives while avoiding controls, queues, and video.
+import { useTelemetryFrame } from '../../../context/TelemetryContext.jsx';
+import BatteryBar from '../../../components/BatteryBar/index.jsx';
+import RoverLabel from '../../../components/RoverLabel/index.jsx';
+import AutoFitText from '../../../mini/MiniSummaryApp/components/AutoFitText.jsx';
+import {
+  buildRoverStateText,
+  findDriverForRover,
+  formatBatteryText,
+  getDisplayBatteryVisual,
+} from '../utils.js';
+
+function classNames(...values) {
+  return values.filter(Boolean).join(' ');
+}
+
+export default function DisplayRoverCell({ rover, session }) {
+  const frame = useTelemetryFrame(rover?.id);
+  const visual = getDisplayBatteryVisual({ rover, frame });
+  const driver = findDriverForRover({ roverId: rover?.id, session });
+  const stateText = buildRoverStateText(rover, visual);
+  const batteryText = formatBatteryText(visual);
+  const active = Boolean(driver);
+  const urgent = Boolean(visual?.urgentActive);
+  const warn = Boolean(visual?.warnActive);
+  const locked = Boolean(rover?.locked);
+
+  return (
+    <article
+      className={classNames(
+        'relative min-h-0 overflow-hidden border border-slate-800 bg-black',
+        locked ? 'border-red-400 ring-4 ring-red-500/80' : '',
+        !locked && active ? 'ring-2 ring-sky-400/80' : '',
+        !locked && urgent ? 'ring-4 ring-red-500/90' : !locked && warn ? 'ring-2 ring-amber-300/80' : '',
+      )}
+    >
+      <BatteryBar visual={visual} variant="background" orientation="vertical" />
+      <div className="relative z-10 grid h-full min-h-0 grid-rows-[auto_minmax(0,1fr)_auto] gap-[0.55vh] p-[0.85vw] text-center">
+        <div className="grid min-w-0 grid-cols-[minmax(0,1fr)_auto] items-start gap-[0.8vw]">
+          <div className="min-w-0">
+            <RoverLabel
+              rover={rover}
+              fallback={rover?.id}
+              as={AutoFitText}
+              className="leading-none"
+              maxSize={76}
+              minSize={20}
+            />
+          </div>
+          {locked ? (
+            // Keep the lock warning adjacent to the rover identity so the cell
+            // remains readable while still making the locked state impossible
+            // to miss at a glance.
+            <div className="max-w-[36vw] border-4 border-red-100 bg-red-700 px-[0.9vw] py-[0.45vh] text-center text-[clamp(1.6rem,4.2vh,4.4rem)] font-black leading-none text-white">
+              <div>LOCKED</div>
+              {rover?.lockReason ? (
+                <div className="mt-[0.3vh] text-[clamp(1rem,2.4vh,2.5rem)] leading-none text-red-50">
+                  {rover.lockReason}
+                </div>
+              ) : null}
+            </div>
+          ) : null}
+        </div>
+        <div className="grid min-h-0 min-w-0 grid-cols-[minmax(0,1.45fr)_minmax(0,0.85fr)] items-center gap-[1vw]">
+          <div className="min-w-0">
+            <AutoFitText
+              className={classNames(
+                'font-black leading-none',
+                active ? 'text-white' : 'text-slate-400',
+              )}
+              maxSize={128}
+              minSize={28}
+            >
+              {driver?.label || 'Idle'}
+            </AutoFitText>
+          </div>
+          <div className="min-w-0">
+            <AutoFitText
+              className={classNames(
+                'font-black leading-none',
+                urgent ? 'text-red-100' : warn ? 'text-amber-100' : 'text-slate-100',
+              )}
+              maxSize={100}
+              minSize={24}
+            >
+              {batteryText}
+            </AutoFitText>
+          </div>
+        </div>
+        {stateText ? (
+          <div className="min-w-0 text-[clamp(0.95rem,1.8vh,1.8rem)] font-black leading-none text-amber-100">
+            {stateText}
+          </div>
+        ) : (
+          // This empty line keeps cells with and without exceptional states the
+          // same height. The grid should not jump just because one rover becomes
+          // locked or low battery while people are reading the board.
+          <div aria-hidden="true" />
+        )}
+      </div>
+    </article>
+  );
+}

webui/src/display/ServerDisplayApp/components/DisplayRoverGrid.jsx

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+// Display Rover Grid
+// Purpose: Fills the central 16:10 display band with rover driver/battery cells.
+// Scope: Keeps rover status presentation dense and label-free for room readability.
+import DisplayRoverCell from './DisplayRoverCell.jsx';
+import { gridClassForRoverCount } from '../utils.js';
+
+export default function DisplayRoverGrid({ roster = [], session }) {
+  if (!roster.length) {
+    return (
+      <section className="flex h-full min-h-0 items-center justify-center border-b border-slate-800 bg-black text-[clamp(2.5rem,7vh,7rem)] font-black text-slate-500">
+        No rovers
+      </section>
+    );
+  }
+
+  return (
+    <section className={`grid h-full min-h-0 ${gridClassForRoverCount(roster.length)} auto-rows-fr gap-0.5 bg-slate-950 p-0.5`}>
+      {roster.map((rover) => (
+        <DisplayRoverCell key={rover.id} rover={rover} session={session} />
+      ))}
+    </section>
+  );
+}

webui/src/display/ServerDisplayApp/components/OnlinePeopleStrip.jsx

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+// Online People Strip
+// Purpose: Renders a one-line, label-free list of online people for the room display.
+// Scope: Owns overflow detection and marquee-style motion without changing shared user-list components.
+import { useEffect, useMemo, useRef, useState } from 'react';
+import { formatUserName } from '../utils.js';
+
+function classNames(...values) {
+  return values.filter(Boolean).join(' ');
+}
+
+export default function OnlinePeopleStrip({ users = [] }) {
+  const viewportRef = useRef(null);
+  const trackRef = useRef(null);
+  const contentRef = useRef(null);
+  const [overflowing, setOverflowing] = useState(false);
+
+  const names = useMemo(
+    () =>
+      users
+        // The display page itself enters spectator mode, and other passive
+        // spectators are usually not relevant to people physically in the room.
+        // Filtering them keeps the top strip focused on active participants.
+        .filter((user) => user?.role !== 'spectator')
+        .map(formatUserName)
+        .filter(Boolean)
+        .sort((a, b) => a.localeCompare(b)),
+    [users],
+  );
+
+  useEffect(() => {
+    const viewport = viewportRef.current;
+    const content = contentRef.current;
+    if (!viewport || !content) return undefined;
+
+    const updateOverflow = () => {
+      // The strip only moves when it needs to. A still row is easier to read
+      // when the current online set already fits on the 16:10 display.
+      setOverflowing(content.scrollWidth > viewport.clientWidth + 4);
+    };
+
+    updateOverflow();
+    const resizeObserver = new ResizeObserver(updateOverflow);
+    resizeObserver.observe(viewport);
+    resizeObserver.observe(content);
+    return () => resizeObserver.disconnect();
+  }, [names]);
+
+  useEffect(() => {
+    const track = trackRef.current;
+    if (!track || !overflowing) return undefined;
+
+    // This animation is local to the display route, so it is created directly
+    // on the strip element instead of adding route-specific keyframes to the
+    // global stylesheet. The duplicated name row means -50% lands exactly at
+    // the start of the second copy, producing a continuous readable loop.
+    const animation = track.animate(
+      [{ transform: 'translateX(0)' }, { transform: 'translateX(-50%)' }],
+      { duration: 42000, iterations: Infinity, easing: 'linear' },
+    );
+    return () => animation.cancel();
+  }, [overflowing, names]);
+
+  const renderedNames = names.length ? names : ['No one online'];
+  const itemNodes = renderedNames.map((name, index) => (
+    <span key={`${name}-${index}`} className="shrink-0 px-[1.6vw] font-black tracking-normal text-slate-100">
+      {name}
+    </span>
+  ));
+
+  return (
+    <div ref={viewportRef} className="relative h-full min-w-0 overflow-hidden border-b border-slate-800/80 bg-black">
+      <div
+        ref={trackRef}
+        className={classNames(
+          'flex h-full w-max items-center whitespace-nowrap text-[clamp(2rem,4.2vh,4.6rem)] leading-none',
+        )}
+      >
+        <div ref={contentRef} className="flex h-full items-center">
+          {itemNodes}
+        </div>
+        {overflowing ? (
+          // The duplicate row makes the loop continuous. It is hidden from assistive
+          // tech because it is purely mechanical animation, not extra information.
+          <div className="flex h-full items-center" aria-hidden="true">
+            {itemNodes}
+          </div>
+        ) : null}
+      </div>
+    </div>
+  );
+}