chat, nicknames, user list.

webui/src/components/ChatPanel.jsx

@@ -0,0 +1,101 @@
+import { useMemo, useState } from 'react';
+import { useChat } from '../context/ChatContext.jsx';
+import { useSession } from '../context/SessionContext.jsx';
+
+function roleColors(role) {
+  switch (role) {
+    case 'admin':
+    case 'lockdown':
+    case 'lockdown-admin':
+      return 'text-amber-300';
+    case 'spectator':
+      return 'text-slate-400';
+    default:
+      return 'text-sky-300';
+  }
+}
+
+function formatTime(ts) {
+  const date = new Date(ts);
+  return `${date.getHours().toString().padStart(2, '0')}:${date.getMinutes().toString().padStart(2, '0')}`;
+}
+
+function displayName(message) {
+  return message.nickname || message.socketId?.slice(0, 6) || 'unknown';
+}
+
+export default function ChatPanel() {
+  const { session } = useSession();
+  const { messages, sendMessage, registerInputRef, onInputFocus, onInputBlur, blurChat } = useChat();
+  const [draft, setDraft] = useState('');
+  const [sending, setSending] = useState(false);
+  const canChat = session?.role !== 'spectator';
+
+  const sorted = useMemo(() => messages.slice(-200), [messages]);
+
+  async function handleSend(event) {
+    event.preventDefault();
+    if (!canChat) return;
+    const clean = draft.trim();
+    if (!clean) return;
+    setSending(true);
+    try {
+      await sendMessage(clean);
+      setDraft('');
+      blurChat();
+    } catch (err) {
+      alert(err.message);
+    } finally {
+      setSending(false);
+    }
+  }
+
+  return (
+    <section className="panel-section space-y-0.5 text-base">
+      {/* <div className="flex items-center justify-between text-sm text-slate-400">
+        <span>Chat</span>
+        <span className="text-xs text-slate-500">{sorted.length}</span>
+      </div> */}
+      <div className="surface h-48 overflow-y-auto space-y-0.5">
+        {sorted.length === 0 ? (
+          <p className="text-sm text-slate-500">No messages yet.</p>
+        ) : (
+          sorted.map((msg) => {
+            const isAdmin =
+              msg.role === 'admin' || msg.role === 'lockdown' || msg.role === 'lockdown-admin';
+            return (
+              <div
+                key={msg.id}
+                className={`surface-muted text-sm ${isAdmin ? 'border border-amber-400/30' : ''}`}
+              >
+                <div className="flex items-center gap-1 text-[0.75rem] text-slate-400">
+                  <span>{formatTime(msg.ts)}</span>
+                  <span className={`font-semibold ${roleColors(msg.role)}`}>{displayName(msg)}</span>
+                  {msg.roverId && (
+                    <span className="rounded bg-slate-800 px-1 text-[0.7rem]">rover {msg.roverId}</span>
+                  )}
+                </div>
+                <p className="text-slate-100 break-words">{msg.text}</p>
+              </div>
+            );
+          })
+        )}
+      </div>
+      <form className="flex gap-0.5" onSubmit={handleSend}>
+        <input
+          className="field-input flex-1"
+          value={draft}
+          onChange={(e) => setDraft(e.target.value)}
+          onFocus={onInputFocus}
+          onBlur={onInputBlur}
+          ref={(el) => registerInputRef(el)}
+          placeholder={canChat ? 'Type a message…' : 'Spectators cannot chat'}
+          disabled={!canChat}
+        />
+        <button type="submit" disabled={!canChat || sending} className="button-dark disabled:opacity-50">
+          {sending ? '...' : 'Send'}
+        </button>
+      </form>
+    </section>
+  );
+}

webui/src/components/KeymapSettings.jsx

@@ -21,6 +21,7 @@ const KEY_ACTIONS = [
   { id: 'cameraDown', label: 'Camera Down', group: 'Camera' },
   { id: 'driveMacro', label: 'Drive Macro', group: 'Macros' },
   { id: 'dockMacro', label: 'Dock Macro', group: 'Macros' },
+  { id: 'chatFocus', label: 'Toggle Chat', group: 'Chat' },
 ];
 
 function groupActions(actions) {

webui/src/components/TelemetryPanel.jsx

@@ -22,13 +22,13 @@ export default function TelemetryPanel() {
   const rawSnippet = frame?.raw ? frame.raw : null;
   const roster = session?.roster ?? [];
   const activeDriverId = roverId ? session?.activeDrivers?.[roverId] : null;
-  const driverLabel = !roverId
-    ? 'n/a'
-    : activeDriverId
-    ? activeDriverId === session?.socketId
-      ? 'You'
-      : activeDriverId.slice(0, 6)
-    : 'Available';
+  const driverLabel = useMemo(() => {
+    if (!roverId) return 'n/a';
+    if (!activeDriverId) return 'Available';
+    if (activeDriverId === session?.socketId) return 'You';
+    const user = (session?.users || []).find((entry) => entry.socketId === activeDriverId);
+    return user?.nickname || activeDriverId.slice(0, 6);
+  }, [activeDriverId, roverId, session?.socketId, session?.users]);
   const isAdmin = useMemo(
     () => session?.role === 'admin' || session?.role === 'lockdown' || session?.role === 'lockdown-admin',
     [session?.role],

webui/src/components/UserListPanel.jsx

@@ -0,0 +1,134 @@
+import { useEffect, useMemo, useRef, useState } from 'react';
+import { useSession } from '../context/SessionContext.jsx';
+import { useSettingsNamespace } from '../settings/index.js';
+
+function roleColors(role) {
+  switch (role) {
+    case 'admin':
+    case 'lockdown':
+    case 'lockdown-admin':
+      return 'text-amber-300';
+    case 'spectator':
+      return 'text-slate-400';
+    default:
+      return 'text-sky-300';
+  }
+}
+
+function formatLabel(user, selfId) {
+  if (!user) return '';
+  const base = user.nickname || user.socketId?.slice(0, 6) || 'unknown';
+  if (user.socketId && user.socketId === selfId) {
+    return `${base} (you)`;
+  }
+  return base;
+}
+
+export default function UserListPanel() {
+  const { session, setNickname } = useSession();
+  const { value, save } = useSettingsNamespace('profile', { nickname: '' });
+  const [nicknameInput, setNicknameInput] = useState(value.nickname || '');
+  const [saving, setSaving] = useState(false);
+  const hasSyncedRef = useRef(false);
+  const canSetNickname = session?.role !== 'spectator';
+  const users = session?.users ?? [];
+  const selfId = session?.socketId || null;
+
+  useEffect(() => {
+    setNicknameInput(value.nickname || '');
+  }, [value.nickname]);
+
+  useEffect(() => {
+    if (hasSyncedRef.current) return;
+    if (!canSetNickname) return;
+    if (!session?.socketId) return;
+    if (!nicknameInput) return;
+    hasSyncedRef.current = true;
+    setNickname(nicknameInput).catch(() => {
+      hasSyncedRef.current = false;
+    });
+  }, [canSetNickname, nicknameInput, session?.socketId, setNickname]);
+
+  const sorted = useMemo(
+    () =>
+      [...users].sort((a, b) => {
+        if (a.socketId === selfId) return -1;
+        if (b.socketId === selfId) return 1;
+        return (a.nickname || '').localeCompare(b.nickname || '');
+      }),
+    [selfId, users],
+  );
+
+  async function handleSave(event) {
+    event.preventDefault();
+    if (!canSetNickname) return;
+    const trimmed = (nicknameInput || '').trim().slice(0, 32);
+    if (!trimmed) return;
+    setSaving(true);
+    try {
+      await setNickname(trimmed);
+      save({ nickname: trimmed });
+    } catch (err) {
+      alert(err.message);
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return (
+    <section className="panel-section space-y-0.5 text-base">
+      <div className="space-y-0.5">
+        {/* <p className="text-sm text-slate-400">Nickname</p> */}
+        <form className="flex gap-0.5" onSubmit={handleSave}>
+          <input
+            className="field-input flex-1"
+            value={nicknameInput}
+            onChange={(e) => setNicknameInput(e.target.value)}
+            maxLength={32}
+            placeholder="Enter a nickname"
+            disabled={!canSetNickname}
+          />
+          <button type="submit" disabled={!canSetNickname || saving} className="button-dark disabled:opacity-50">
+            {saving ? 'Saving…' : 'Save'}
+          </button>
+        </form>
+        {!canSetNickname && <p className="text-xs text-slate-500">Spectators cannot set nicknames.</p>}
+      </div>
+
+      <div className="space-y-0.5">
+        <div className="flex items-center justify-between text-sm text-slate-400">
+          <span>Users</span>
+          <span className="text-xs text-slate-500">{sorted.length}</span>
+        </div>
+        <div className="surface h-48 overflow-y-auto space-y-0.5">
+          {sorted.length === 0 ? (
+            <p className="text-sm text-slate-500">Waiting for users…</p>
+          ) : (
+            sorted.map((user) => {
+              const isAdmin =
+                user.role === 'admin' || user.role === 'lockdown' || user.role === 'lockdown-admin';
+              return (
+                <div
+                  key={user.socketId}
+                  className="surface-muted flex items-center justify-between gap-0.5 text-sm"
+                >
+                  <div>
+                    <p className={`font-semibold ${roleColors(user.role)}`}>{formatLabel(user, selfId)}</p>
+                    <p className="text-[0.7rem] text-slate-400">
+                      {user.roverId ? `Driving ${user.roverId}` : 'No rover'}
+                    </p>
+                  </div>
+                  {isAdmin && (
+                    <span className="rounded bg-amber-500/30 px-1 text-[0.7rem] text-amber-200">
+                      Admin
+                    </span>
+                  )}
+                </div>
+              );
+            })
+          )}
+        </div>
+      </div>
+    </section>
+  );
+}

webui/src/components/VideoTile.jsx

@@ -195,11 +195,13 @@ function BatteryBar({ charge, config, status }) {
       <div className="flex items-center justify-between text-xs text-slate-400">
         <span>{status}</span>
       </div>
-      <div className="relative h-4 w-full bg-zinc-900">
-        <div className={`h-full transition-[width] ${barClass}`} style={{ width: `${percentDisplay}%` }} />
-        <span className="absolute inset-0 flex items-center justify-center text-xs font-semibold text-black/80">
-          Battery {percentText}
-        </span>
+      <div className="relative h-4 w-full bg-zinc-900 flex">
+        <div className={`h-full transition-[width] ${barClass}`} style={{ width: `${percentDisplay}%` }}>
+          <span className="inset-0 flex items-center justify-center text-xs font-semibold text-black/80">
+            Battery {percentText}
+          </span>
+        </div>
+
       </div>
     </div>
   );