1142 lines
51 KiB
JavaScript
1142 lines
51 KiB
JavaScript
// Voice Assistant — LiveKit client
|
||
const { Room, RoomEvent } = LivekitClient;
|
||
|
||
// ── Config ──────────────────────────────────────────────────────────────────
|
||
// LiveKit is reached through the same origin as the page (nginx proxies
|
||
// /livekit -> localhost:7880). Keeps a single HTTPS port and avoids mixed
|
||
// content when the UI is served over HTTPS.
|
||
const LIVEKIT_URL = `${window.location.protocol === "https:" ? "wss" : "ws"}://${window.location.host}/livekit`;
|
||
const AGENT_NAME = "voice-assistant";
|
||
|
||
const VOICES = [
|
||
{ id: "en-US-Ava:DragonHDOmniLatestNeural", name: "Ava", tag: "Dragon HD Omni" },
|
||
{ id: "en-US-JennyNeural", name: "Jenny" },
|
||
{ id: "en-US-GuyNeural", name: "Guy" },
|
||
{ id: "en-US-AndrewNeural", name: "Andrew" },
|
||
{ id: "en-US-AriaNeural", name: "Aria" },
|
||
{ id: "en-US-EmmaNeural", name: "Emma" },
|
||
{ id: "en-US-EricNeural", name: "Eric" },
|
||
{ id: "en-US-BrianNeural", name: "Brian" },
|
||
{ id: "en-US-AshleyNeural", name: "Ashley" },
|
||
{ id: "en-US-RichardNeural", name: "Richard" },
|
||
{ id: "en-US-TinaNeural", name: "Tina" },
|
||
{ id: "en-US-SteffanNeural", name: "Steffan" },
|
||
];
|
||
|
||
let historyKey = null;
|
||
const HISTORY_MAX = 50;
|
||
const MODE_KEY = "hope_conversation_mode";
|
||
|
||
// ── State ───────────────────────────────────────────────────────────────────
|
||
let room = null;
|
||
let agentParticipant = null;
|
||
let agentReady = false;
|
||
let uiState = "idle"; // idle | connecting | listening | thinking | speaking
|
||
let micLevel = 0; // 0..1, smoothed
|
||
let agentAudioLevel = 0; // 0..1, smoothed
|
||
let userSpeaking = false; // local VAD-ish flag from mic level
|
||
let wakeLock = null;
|
||
let conversationMode = localStorage.getItem(MODE_KEY) === "text" ? "text" : "voice";
|
||
let connectionPromise = null;
|
||
|
||
function escapeHtml(s) {
|
||
const d = document.createElement("div");
|
||
d.textContent = s || "";
|
||
return d.innerHTML;
|
||
}
|
||
|
||
// ── DOM ─────────────────────────────────────────────────────────────────────
|
||
const startBtn = document.getElementById("startBtn");
|
||
const stopBtn = document.getElementById("stopBtn");
|
||
const muteBtn = document.getElementById("muteBtn");
|
||
let micMuted = false;
|
||
const statusEl = document.getElementById("status");
|
||
const messagesEl = document.getElementById("messages");
|
||
const ledWallEl = document.getElementById("ledWall");
|
||
const stateLabelEl = document.getElementById("stateLabel");
|
||
const thinkingChipEl = document.getElementById("thinkingChip");
|
||
const bargeHintEl = document.getElementById("bargeHint");
|
||
const micMeterFillEl = document.getElementById("micMeterFill");
|
||
const settingsBtn = document.getElementById("settingsBtn");
|
||
const settingsSheet = document.getElementById("settingsSheet");
|
||
const sheetBackdrop = document.getElementById("sheetBackdrop");
|
||
const closeSheetBtn = document.getElementById("closeSheetBtn");
|
||
const voiceListEl = document.getElementById("voiceList");
|
||
const clearBtn = document.getElementById("clearBtn");
|
||
const tasksBtn = document.getElementById("tasksBtn");
|
||
const tasksPanel = document.getElementById("tasksPanel");
|
||
const tasksList = document.getElementById("tasksList");
|
||
const tasksBadge = document.getElementById("tasksBadge");
|
||
const closeTasksBtn = document.getElementById("closeTasksBtn");
|
||
const voiceModeBtn = document.getElementById("voiceModeBtn");
|
||
const textModeBtn = document.getElementById("textModeBtn");
|
||
const modeDescriptionEl = document.getElementById("modeDescription");
|
||
const transcriptModeLabelEl = document.getElementById("transcriptModeLabel");
|
||
const chatComposer = document.getElementById("chatComposer");
|
||
const chatInput = document.getElementById("chatInput");
|
||
const sendChatBtn = document.getElementById("sendChatBtn");
|
||
|
||
// Activity is progress only, never a second assistant transcript.
|
||
const progress = new Map();
|
||
function handleProgress(data) {
|
||
if (typeof data.request_id !== "string" || !["working", "completed", "failed"].includes(data.status) || typeof data.message !== "string") return;
|
||
progress.set(data.request_id, { ...data, updated: Date.now() });
|
||
while (progress.size > 50) progress.delete(progress.keys().next().value);
|
||
const working = [...progress.values()].filter(item => item.status === "working").length;
|
||
tasksBadge.hidden = !working; tasksBadge.textContent = String(working);
|
||
tasksList.replaceChildren();
|
||
for (const item of [...progress.values()].sort((a, b) => b.updated - a.updated)) {
|
||
const row = document.createElement("div"); row.className = "task-card";
|
||
const state = document.createElement("strong"); state.textContent = { working: "Working", completed: "Completed", failed: "Failed" }[item.status];
|
||
const text = document.createElement("p"); text.textContent = item.message;
|
||
row.append(state, text); tasksList.append(row);
|
||
}
|
||
statusEl.textContent = data.message || { working: "Hope is working…", completed: "Hope finished", failed: "Hope could not complete this request" }[data.status];
|
||
setState(working ? "thinking" : "listening");
|
||
}
|
||
function setTasksOpen(open) {
|
||
tasksPanel.hidden = !open; tasksPanel.inert = !open;
|
||
tasksPanel.classList.toggle("open", open);
|
||
tasksBtn.setAttribute("aria-expanded", String(open));
|
||
if (open) closeTasksBtn.focus(); else tasksBtn.focus();
|
||
}
|
||
tasksBtn.setAttribute("aria-expanded", "false");
|
||
tasksBtn.addEventListener("click", () => setTasksOpen(!tasksPanel.classList.contains("open")));
|
||
closeTasksBtn.addEventListener("click", () => setTasksOpen(false));
|
||
|
||
// ── Voice / text mode ──────────────────────────────────────────────────────
|
||
function updateModeUI() {
|
||
const isText = conversationMode === "text";
|
||
document.body.dataset.mode = conversationMode;
|
||
voiceModeBtn.classList.toggle("active", !isText);
|
||
textModeBtn.classList.toggle("active", isText);
|
||
voiceModeBtn.setAttribute("aria-pressed", String(!isText));
|
||
textModeBtn.setAttribute("aria-pressed", String(isText));
|
||
modeDescriptionEl.textContent = isText
|
||
? "Type when quiet is better. Switch back to voice without losing the thread."
|
||
: "Speak naturally. I’ll listen, remember, and answer in real time.";
|
||
transcriptModeLabelEl.textContent = isText ? "Shared voice and text history" : "Live voice transcript";
|
||
startBtn.innerHTML = isText
|
||
? '<span class="button-spark" aria-hidden="true"></span>Connect to Hope'
|
||
: '<span class="button-spark" aria-hidden="true"></span>Start conversation';
|
||
if (isText) {
|
||
setState(room ? "listening" : "idle");
|
||
window.setTimeout(() => chatInput.focus(), 0);
|
||
} else {
|
||
// Refresh mode-specific copy even when the underlying state is unchanged.
|
||
setState(uiState);
|
||
}
|
||
}
|
||
|
||
async function setConversationMode(mode) {
|
||
if (mode !== "voice" && mode !== "text") return;
|
||
const previousMode = conversationMode;
|
||
conversationMode = mode;
|
||
localStorage.setItem(MODE_KEY, mode);
|
||
updateModeUI();
|
||
if (mode === "voice" && previousMode === "text") {
|
||
chatInput.blur();
|
||
window.setTimeout(() => {
|
||
document.querySelector(".workspace").scrollIntoView({ block: "start", behavior: "smooth" });
|
||
}, 0);
|
||
}
|
||
|
||
if (!room || !agentReady || !room.localParticipant) return;
|
||
sendModeMessage(mode);
|
||
if (mode === "text") {
|
||
await room.localParticipant.setMicrophoneEnabled(false);
|
||
micMuted = true;
|
||
muteBtn.disabled = true;
|
||
updateMuteIcon();
|
||
stopVisualLoop();
|
||
statusEl.textContent = "Secure room · Text mode";
|
||
} else {
|
||
micMuted = false;
|
||
muteBtn.disabled = false;
|
||
updateMuteIcon();
|
||
startVisualLoop();
|
||
try {
|
||
await room.startAudio();
|
||
await room.localParticipant.setMicrophoneEnabled(true);
|
||
setupMicAnalyser();
|
||
statusEl.textContent = "Secure room · Microphone on";
|
||
} catch (err) {
|
||
// Keep the conversation usable even if this browser denies or does
|
||
// not implement microphone capture. The mute control can retry.
|
||
console.warn("Microphone could not be enabled:", err);
|
||
micMuted = true;
|
||
updateMuteIcon();
|
||
statusEl.textContent = "Voice mode · Microphone unavailable";
|
||
}
|
||
}
|
||
}
|
||
|
||
voiceModeBtn.addEventListener("click", () => setConversationMode("voice").catch(console.error));
|
||
textModeBtn.addEventListener("click", () => setConversationMode("text").catch(console.error));
|
||
|
||
// ── Audio analysers (mic + remote agent audio) ─────────────────────────────
|
||
let micCtx = null;
|
||
let micAnalyser = null;
|
||
let micBuf = null;
|
||
let remoteCtx = null;
|
||
let remoteAnalyser = null;
|
||
let remoteFreqBuf = null;
|
||
|
||
function setupMicAnalyser() {
|
||
try {
|
||
const pub = room.localParticipant.getTrackPublication(LivekitClient.Track.Source.Microphone);
|
||
const mst = pub && pub.track && pub.track.mediaStreamTrack;
|
||
if (mst) {
|
||
micCtx = new AudioContext();
|
||
micAnalyser = micCtx.createAnalyser();
|
||
micAnalyser.fftSize = 512;
|
||
micBuf = new Float32Array(micAnalyser.fftSize);
|
||
micCtx.createMediaStreamSource(new MediaStream([mst])).connect(micAnalyser);
|
||
}
|
||
} catch (e) { /* fall back to SDK audioLevel in the meter loop */ }
|
||
}
|
||
|
||
function setupRemoteAudioAnalyser(audioEl) {
|
||
try {
|
||
if (!audioEl.srcObject) return;
|
||
remoteCtx = new AudioContext();
|
||
remoteAnalyser = remoteCtx.createAnalyser();
|
||
remoteAnalyser.fftSize = 256;
|
||
remoteFreqBuf = new Uint8Array(remoteAnalyser.frequencyBinCount);
|
||
remoteCtx.createMediaStreamSource(audioEl.srcObject).connect(remoteAnalyser);
|
||
} catch (e) { /* analyser optional */ }
|
||
}
|
||
|
||
function teardownAudio() {
|
||
for (const ctx of [micCtx, remoteCtx]) {
|
||
if (ctx && ctx.state !== "closed") ctx.close().catch(() => {});
|
||
}
|
||
micCtx = micAnalyser = micBuf = null;
|
||
remoteCtx = remoteAnalyser = remoteFreqBuf = null;
|
||
}
|
||
|
||
// ── LED wall — a grid of dots that pulses with the agent's audio ────────────
|
||
const LED_COLS = 21;
|
||
const LED_ROWS = 21;
|
||
const LED_GROW = 1.4; // how much the dots grow toward the center
|
||
let ledDots = [];
|
||
let ledWallTime = 0;
|
||
|
||
|
||
function buildLedWall() {
|
||
const inner = Math.floor(LED_COLS / 2);
|
||
const frag = document.createDocumentFragment();
|
||
for (let r = 0; r < LED_ROWS; r++) {
|
||
for (let c = 0; c < LED_COLS; c++) {
|
||
const b = document.createElement("button");
|
||
b.type = "button";
|
||
b.className = "led-dot";
|
||
b.disabled = true;
|
||
b.tabIndex = -1;
|
||
// Radial position: 0 at the center, 1 at the corner
|
||
const dx = (c - inner) / (LED_COLS / 2);
|
||
const dy = (r - inner) / (LED_ROWS / 2);
|
||
const rad = Math.sqrt(dx * dx + dy * dy);
|
||
// Push a radial cluster toward the center; scale its base brightness down
|
||
// as it moves outward so the wall reads as a soft round bloom.
|
||
b.dataset.rad = rad.toFixed(4);
|
||
// A per-dot phase so the wave ripples rather than flashing in unison.
|
||
b.dataset.phase = (Math.sin(r * 12.9898 + c * 78.233) * 43758.5453 % 1 * Math.PI * 2).toFixed(3);
|
||
ledDots.push(b);
|
||
frag.appendChild(b);
|
||
}
|
||
}
|
||
ledWallEl.appendChild(frag);
|
||
}
|
||
|
||
// Renders one frame of the LED wall. `level` is 0..1 (agent audio when speaking,
|
||
// mic when listening). `mode` picks the palette/gradient by conversation state.
|
||
function renderLedWall(level, mode) {
|
||
ledWallTime += 1;
|
||
ledWallEl.dataset.mode = mode;
|
||
const n = ledDots.length;
|
||
for (let i = 0; i < n; i++) {
|
||
const dot = ledDots[i];
|
||
const rad = parseFloat(dot.dataset.rad);
|
||
const phase = parseFloat(dot.dataset.phase || 0);
|
||
|
||
let vis = 0;
|
||
let size = 1;
|
||
|
||
if (mode === "idle") {
|
||
// A faint, static dot matrix — present but clearly dormant.
|
||
vis = 0.16 - rad * 0.08;
|
||
size = 1;
|
||
} else if (level > 0.005) {
|
||
// Centered breathing bloom that widens and brightens with the
|
||
// signal. A soft gaussian falloff keeps it circular; a gentle
|
||
// per-dot phase ripple adds life without banding.
|
||
const lvl = Math.min(1, level * 1.3);
|
||
const falloff = Math.exp(-rad * rad * (2.0 - lvl * 1.1));
|
||
const ripple = 0.62 + 0.38 * Math.sin(ledWallTime * 0.32 + phase);
|
||
vis = falloff * (0.35 + lvl) * ripple;
|
||
size = 1 + (1 - rad) * LED_GROW * lvl;
|
||
// Keep listening dimmer than speaking so the wall leans into the
|
||
// agent's output.
|
||
if (mode !== "speaking") vis *= 0.55;
|
||
} else {
|
||
// Powered state with no signal (e.g. thinking gap) — soft breathing.
|
||
const breathe = 0.5 + 0.5 * Math.sin(ledWallTime * 0.12 + phase);
|
||
vis = 0.14 - rad * 0.06 + 0.04 * breathe;
|
||
size = 1 + (1 - rad) * 0.3;
|
||
}
|
||
|
||
vis = Math.max(0.02, Math.min(1, vis));
|
||
// Dot grows toward the center and sits on a subtle 4px grid inset.
|
||
const px = (2 * size).toFixed(1);
|
||
dot.style.setProperty("--sz", `${px}px`);
|
||
dot.style.opacity = vis.toFixed(3);
|
||
}
|
||
}
|
||
|
||
function readMicLevel() {
|
||
let level = 0;
|
||
if (micAnalyser && micBuf) {
|
||
micAnalyser.getFloatTimeDomainData(micBuf);
|
||
for (let i = 0; i < micBuf.length; i++) level = Math.max(level, Math.abs(micBuf[i]));
|
||
} else if (room && room.localParticipant) {
|
||
level = room.localParticipant.audioLevel || 0;
|
||
}
|
||
// Smooth so the orb pulses rather than flickers
|
||
micLevel = micLevel * 0.6 + level * 0.4;
|
||
return micLevel;
|
||
}
|
||
|
||
function readAgentAudioLevel() {
|
||
let level = 0;
|
||
if (remoteAnalyser && remoteFreqBuf) {
|
||
remoteAnalyser.getByteFrequencyData(remoteFreqBuf);
|
||
for (let i = 0; i < remoteFreqBuf.length; i++) level = Math.max(level, remoteFreqBuf[i]);
|
||
level /= 255;
|
||
} else if (agentParticipant && agentParticipant.audioLevel !== undefined) {
|
||
level = agentParticipant.audioLevel || 0;
|
||
}
|
||
agentAudioLevel = agentAudioLevel * 0.6 + level * 0.4;
|
||
return agentAudioLevel;
|
||
}
|
||
|
||
// ── State machine ───────────────────────────────────────────────────────────
|
||
const STATE_LABELS = {
|
||
voice: {
|
||
idle: "Ready when you are",
|
||
connecting: "Opening a secure room",
|
||
listening: "Listening",
|
||
thinking: "Thinking it through",
|
||
speaking: "Hope is speaking",
|
||
},
|
||
text: {
|
||
idle: "Ready to type",
|
||
connecting: "Opening a secure room",
|
||
listening: "Text chat ready",
|
||
thinking: "Hope is writing",
|
||
speaking: "Hope replied",
|
||
},
|
||
};
|
||
|
||
function setState(next) {
|
||
uiState = next;
|
||
ledWallEl.dataset.state = next;
|
||
stateLabelEl.textContent = STATE_LABELS[conversationMode][next] || next;
|
||
|
||
// Thinking timer: show the "thinking..." chip if it lingers past 2s
|
||
if (next === "thinking") {
|
||
thinkingChipEl.hidden = true;
|
||
setTimeout(() => {
|
||
if (uiState === "thinking") thinkingChipEl.hidden = false;
|
||
}, 2000);
|
||
} else {
|
||
thinkingChipEl.hidden = true;
|
||
}
|
||
|
||
// Barge-in hint only while the agent is speaking
|
||
bargeHintEl.hidden = next !== "speaking";
|
||
|
||
if (next === "idle") {
|
||
micLevel = 0;
|
||
agentAudioLevel = 0;
|
||
userSpeaking = false;
|
||
}
|
||
}
|
||
|
||
updateModeUI();
|
||
|
||
function inferState() {
|
||
if (!room || !room.localParticipant) return "idle";
|
||
if (!agentParticipant) return "connecting";
|
||
readMicLevel();
|
||
readAgentAudioLevel();
|
||
userSpeaking = micLevel > 0.035;
|
||
if (agentAudioLevel > 0.02) return "speaking";
|
||
if (userSpeaking) return "listening";
|
||
// Once agent audio ends, return to listening. The previous implementation
|
||
// converted speaking → thinking forever, leaving the UI apparently frozen.
|
||
if (uiState === "speaking") return "listening";
|
||
if (uiState === "thinking") return "thinking";
|
||
return "listening";
|
||
}
|
||
|
||
// ── Visual loop: drives orb + meter + state inference ───────────────────────
|
||
let visualTimer = null;
|
||
function startVisualLoop() {
|
||
if (visualTimer) clearInterval(visualTimer);
|
||
visualTimer = setInterval(() => {
|
||
if (!room || !room.localParticipant) return;
|
||
setState(inferState());
|
||
|
||
// Mic meter (thin bar under the status line)
|
||
micMeterFillEl.style.width = `${Math.min(100, Math.round(micLevel * 250))}%`;
|
||
|
||
// LED wall: pulse on the agent's rendered audio when speaking, the mic
|
||
// while listening, and hold a faint matrix when idle.
|
||
if (uiState === "speaking") {
|
||
renderLedWall(agentAudioLevel, "speaking");
|
||
} else if (uiState === "listening" && userSpeaking) {
|
||
renderLedWall(micLevel, "listening");
|
||
} else {
|
||
renderLedWall(0, "idle");
|
||
}
|
||
|
||
// Agent audio visualizer bars on the latest agent bubble
|
||
const viz = messagesEl.querySelector(".message-row.agent:last-of-type .audio-viz");
|
||
if (viz) {
|
||
let level = 0;
|
||
if (remoteAnalyser && remoteFreqBuf) {
|
||
for (let i = 0; i < remoteFreqBuf.length; i++) level = Math.max(level, remoteFreqBuf[i]);
|
||
level /= 255;
|
||
}
|
||
const bars = viz.children;
|
||
for (let i = 0; i < bars.length; i++) {
|
||
// Per-bar phase offset so the bars dance rather than move in lockstep
|
||
const h = Math.max(0.15, level * (0.6 + 0.4 * Math.sin(Date.now() / 120 + i * 1.3)));
|
||
bars[i].style.height = `${h * 100}%`;
|
||
}
|
||
}
|
||
}, 80);
|
||
}
|
||
|
||
function stopVisualLoop() {
|
||
if (visualTimer) clearInterval(visualTimer);
|
||
visualTimer = null;
|
||
micMeterFillEl.style.width = "0%";
|
||
renderLedWall(0, "idle");
|
||
}
|
||
|
||
// ── Conversation history (localStorage) ─────────────────────────────────────
|
||
function loadHistory() {
|
||
try {
|
||
if (!historyKey) return [];
|
||
const raw = localStorage.getItem(historyKey);
|
||
if (!raw) return [];
|
||
const arr = JSON.parse(raw);
|
||
return Array.isArray(arr) ? arr.filter(msg => msg && ["user", "agent", "system"].includes(msg.role) && typeof msg.text === "string").slice(-HISTORY_MAX) : [];
|
||
} catch (e) { return []; }
|
||
}
|
||
|
||
function persistHistory() {
|
||
try {
|
||
if (!historyKey) return;
|
||
localStorage.setItem(historyKey, JSON.stringify(history.slice(-HISTORY_MAX)));
|
||
} catch (e) { /* storage full or unavailable */ }
|
||
}
|
||
|
||
let history = [];
|
||
|
||
const DELIVERY_MARKERS = /\[(?:appreciative|calm|concerned|curious|encouraging|excited|happy|joking|quiet|reassuring|reflective|sad|serious|surprised|sympathetic|urgent|whispering|laughter|sighing|breathing|neutral)\]\s*/gi;
|
||
|
||
function cleanSpokenText(text) {
|
||
return String(text || "").replace(DELIVERY_MARKERS, "").trim();
|
||
}
|
||
|
||
function formatTimestamp(ts) {
|
||
if (!ts) return "";
|
||
return new Date(ts).toLocaleTimeString([], { hour: "numeric", minute: "2-digit" });
|
||
}
|
||
|
||
function renderMessage(msg) {
|
||
const wrap = document.createElement("div");
|
||
wrap.className = `message-row ${msg.role}`;
|
||
wrap.dataset.ts = formatTimestamp(msg.ts);
|
||
|
||
if (msg.role === "agent") {
|
||
const dot = document.createElement("span");
|
||
dot.className = "avatar-dot";
|
||
wrap.appendChild(dot);
|
||
}
|
||
|
||
const bubble = document.createElement("div");
|
||
bubble.className = "bubble";
|
||
bubble.textContent = cleanSpokenText(msg.text);
|
||
if (msg.role === "agent") {
|
||
const viz = document.createElement("span");
|
||
viz.className = "audio-viz";
|
||
for (let i = 0; i < 5; i++) viz.appendChild(document.createElement("i"));
|
||
bubble.appendChild(viz);
|
||
}
|
||
wrap.appendChild(bubble);
|
||
messagesEl.appendChild(wrap);
|
||
messagesEl.scrollTop = messagesEl.scrollHeight;
|
||
}
|
||
|
||
function addMessage(role, text) {
|
||
clearPartials();
|
||
const msg = { role, text, ts: Date.now() };
|
||
history.push(msg);
|
||
persistHistory();
|
||
renderMessage(msg);
|
||
return msg;
|
||
}
|
||
|
||
// Partial transcripts render greyed and update in place until a final arrives.
|
||
function addPartial(role, text) {
|
||
const rows = messagesEl.querySelectorAll(".message-row.partial");
|
||
let last = null;
|
||
for (const r of rows) last = r;
|
||
if (last && last.dataset.role === role) {
|
||
last.querySelector(".bubble").textContent = cleanSpokenText(text);
|
||
messagesEl.scrollTop = messagesEl.scrollHeight;
|
||
return;
|
||
}
|
||
const wrap = document.createElement("div");
|
||
wrap.className = `message-row ${role} partial`;
|
||
wrap.dataset.role = role;
|
||
if (role === "agent") {
|
||
const dot = document.createElement("span");
|
||
dot.className = "avatar-dot";
|
||
wrap.appendChild(dot);
|
||
}
|
||
const bubble = document.createElement("div");
|
||
bubble.className = "bubble partial";
|
||
bubble.textContent = cleanSpokenText(text);
|
||
wrap.appendChild(bubble);
|
||
messagesEl.appendChild(wrap);
|
||
messagesEl.scrollTop = messagesEl.scrollHeight;
|
||
}
|
||
|
||
function clearPartials() {
|
||
messagesEl.querySelectorAll(".message-row.partial").forEach((el) => el.remove());
|
||
}
|
||
|
||
function renderHistory() {
|
||
messagesEl.innerHTML = "";
|
||
for (const msg of history) renderMessage(msg);
|
||
messagesEl.scrollTop = messagesEl.scrollHeight;
|
||
}
|
||
|
||
clearBtn.addEventListener("click", () => {
|
||
history = [];
|
||
persistHistory();
|
||
clearPartials();
|
||
renderHistory();
|
||
});
|
||
|
||
renderHistory();
|
||
|
||
// ── Transcripts ─────────────────────────────────────────────────────────────
|
||
// Primary: livekit-agents built-in text stream (word-by-word when available).
|
||
function registerTranscriptionStream(rm) {
|
||
try {
|
||
rm.registerTextStreamHandler("lk.transcription", async (reader, participantInfo) => {
|
||
const text = await reader.readAll();
|
||
if (rm !== room || !HopeAuth.user || !text || !text.trim()) return;
|
||
const sender = rm.remoteParticipants.get(participantInfo?.identity);
|
||
if (!sender || !isAgent(sender)) return;
|
||
const attrs = (reader.info && reader.info.attributes) || {};
|
||
const trackId = attrs["lk.transcribed_track_id"] || "";
|
||
// Distinguish user vs agent by the transcribed track's owner.
|
||
let role = "agent";
|
||
if (participantInfo && participantInfo.identity === AGENT_NAME) {
|
||
role = "agent";
|
||
} else if (trackId) {
|
||
for (const p of rm.remoteParticipants.values()) {
|
||
const pub = p.getTrackPublication(trackId);
|
||
if (pub) { role = isAgent(p) ? "agent" : "user"; break; }
|
||
}
|
||
}
|
||
// Use partial rendering: updates the same row in place until final.
|
||
addPartial(role, text.trim());
|
||
});
|
||
} catch (e) {
|
||
// Older SDKs may not support registerTextStreamHandler — the data
|
||
// channel handler below still covers transcripts.
|
||
console.warn("text stream registration failed:", e);
|
||
}
|
||
}
|
||
|
||
// Secondary: agent publishes {type:"transcript"} on topic "transcript".
|
||
function handleDataPacket(payload, participant, topic) {
|
||
try {
|
||
const msg = JSON.parse(new TextDecoder().decode(payload));
|
||
if (!HopeAuth.user || !participant || !isAgent(participant)) return;
|
||
if (msg.type === "agent_ready" && topic === "conversation-control") {
|
||
agentReady = true;
|
||
} else if (msg.type === "transcript" && topic === "transcript") {
|
||
if (!["agent", "user"].includes(msg.role) || typeof msg.text !== "string") return;
|
||
addMessage(msg.role, msg.text);
|
||
if (msg.role === "agent") setState(conversationMode === "text" ? "listening" : "speaking");
|
||
} else if (msg.type === "assistant_progress" && topic === "assistant-progress") {
|
||
handleProgress(msg);
|
||
}
|
||
} catch (e) {
|
||
console.warn("bad data packet", e);
|
||
}
|
||
}
|
||
|
||
// ── Account model settings (server saved; never browser persisted) ──────────
|
||
const modelSettingsForm = document.getElementById("modelSettingsForm");
|
||
const modelSelect = document.getElementById("modelSelect");
|
||
const thinkingLevelSelect = document.getElementById("thinkingLevelSelect");
|
||
const saveModelSettingsBtn = document.getElementById("saveModelSettings");
|
||
const retryModelSettingsBtn = document.getElementById("retryModelSettings");
|
||
const modelSettingsStatus = document.getElementById("modelSettingsStatus");
|
||
const thinkingLevelNote = document.getElementById("thinkingLevelNote");
|
||
const THINKING_LEVELS = [
|
||
["none", "Off"], ["minimal", "Minimal"], ["low", "Low"],
|
||
["medium", "Medium"], ["high", "High"], ["xhigh", "Extra high"],
|
||
];
|
||
const THINKING_NOTE = "Thinking requests may be limited or ignored by the selected model.";
|
||
let settingsAccount = null;
|
||
let settingsGeneration = 0;
|
||
let settingsAbort = null;
|
||
let settingsBusy = false;
|
||
let modelCatalog = [];
|
||
let catalogAvailable = false;
|
||
let savedModelSettings = null;
|
||
|
||
function accountIdentity() {
|
||
return HopeAuth.user ? String(HopeAuth.user.id) : null;
|
||
}
|
||
function settingsResponseIsCurrent(account, generation) {
|
||
return account !== null && account === accountIdentity() && account === settingsAccount && generation === settingsGeneration;
|
||
}
|
||
function settingsOption(value, label) {
|
||
const option = document.createElement("option");
|
||
option.value = value; option.textContent = label;
|
||
return option;
|
||
}
|
||
function setSettingsStatus(message, state = "") {
|
||
modelSettingsStatus.textContent = message;
|
||
modelSettingsStatus.dataset.state = state;
|
||
}
|
||
function updateSettingsControls() {
|
||
const available = !!HopeAuth.user && catalogAvailable && !settingsBusy;
|
||
modelSelect.disabled = !available;
|
||
thinkingLevelSelect.disabled = !available;
|
||
const model = modelCatalog.find(item => item.id === modelSelect.value);
|
||
const valid = model && model.thinking_levels.includes(thinkingLevelSelect.value);
|
||
const changed = savedModelSettings && (modelSelect.value !== savedModelSettings.model || thinkingLevelSelect.value !== savedModelSettings.thinking_level);
|
||
saveModelSettingsBtn.disabled = !available || !valid || !changed;
|
||
retryModelSettingsBtn.disabled = settingsBusy;
|
||
saveModelSettingsBtn.textContent = settingsBusy && modelSettingsForm.dataset.operation === "save" ? "Saving…" : "Save";
|
||
modelSettingsForm.setAttribute("aria-busy", String(settingsBusy));
|
||
}
|
||
function renderThinkingLevels(preferred) {
|
||
const model = modelCatalog.find(item => item.id === modelSelect.value);
|
||
const levels = model?.thinking_levels || [];
|
||
thinkingLevelSelect.replaceChildren();
|
||
for (const [value, label] of THINKING_LEVELS) {
|
||
if (levels.includes(value) || value === preferred) thinkingLevelSelect.append(settingsOption(value, label));
|
||
}
|
||
if (!thinkingLevelSelect.options.length) thinkingLevelSelect.append(settingsOption("", "No thinking levels available"));
|
||
if ([...thinkingLevelSelect.options].some(option => option.value === preferred)) thinkingLevelSelect.value = preferred;
|
||
updateSettingsControls();
|
||
}
|
||
function renderSavedModelSettings() {
|
||
modelSelect.replaceChildren();
|
||
for (const model of modelCatalog) modelSelect.append(settingsOption(model.id, model.name || model.id));
|
||
if (savedModelSettings && !modelCatalog.some(model => model.id === savedModelSettings.model)) {
|
||
modelSelect.prepend(settingsOption(savedModelSettings.model, `${savedModelSettings.model} (saved; unavailable)`));
|
||
}
|
||
if (!modelSelect.options.length) modelSelect.append(settingsOption("", "Model catalog unavailable"));
|
||
if (savedModelSettings) modelSelect.value = savedModelSettings.model;
|
||
renderThinkingLevels(savedModelSettings?.thinking_level);
|
||
}
|
||
function resetModelSettings(user) {
|
||
settingsGeneration++;
|
||
settingsAbort?.abort(); settingsAbort = null;
|
||
settingsAccount = user ? String(user.id) : null;
|
||
settingsBusy = false; catalogAvailable = false; modelCatalog = []; savedModelSettings = null;
|
||
modelSettingsForm.dataset.operation = "";
|
||
modelSelect.replaceChildren(settingsOption("", "Open settings to load models"));
|
||
thinkingLevelSelect.replaceChildren(settingsOption("", "Open settings to load thinking levels"));
|
||
thinkingLevelNote.textContent = THINKING_NOTE;
|
||
retryModelSettingsBtn.hidden = true;
|
||
setSettingsStatus("Open settings to load your saved preferences.");
|
||
updateSettingsControls();
|
||
}
|
||
function readSavedSettings(data) {
|
||
if (!data?.settings || typeof data.settings.model !== "string" || !THINKING_LEVELS.some(([level]) => level === data.settings.thinking_level)) {
|
||
throw new Error("The server did not return valid saved settings.");
|
||
}
|
||
return { model: data.settings.model, thinking_level: data.settings.thinking_level };
|
||
}
|
||
async function loadModelSettings() {
|
||
const account = accountIdentity();
|
||
if (!account || settingsBusy) return;
|
||
if (settingsAccount !== account) resetModelSettings(HopeAuth.user);
|
||
const generation = ++settingsGeneration;
|
||
settingsAbort?.abort(); settingsAbort = new AbortController();
|
||
settingsBusy = true; modelSettingsForm.dataset.operation = "load";
|
||
retryModelSettingsBtn.hidden = true;
|
||
setSettingsStatus("Loading your saved model settings…"); updateSettingsControls();
|
||
try {
|
||
const data = await HopeAuth.request("/api/settings/model", { signal: settingsAbort.signal });
|
||
if (!settingsResponseIsCurrent(account, generation)) return;
|
||
savedModelSettings = readSavedSettings(data);
|
||
modelCatalog = Array.isArray(data.models) ? data.models.filter(model => typeof model?.id === "string" && Array.isArray(model.thinking_levels)).map(model => ({
|
||
id: model.id, name: typeof model.name === "string" ? model.name : model.id,
|
||
thinking_levels: model.thinking_levels.filter(level => THINKING_LEVELS.some(([value]) => value === level)),
|
||
})) : [];
|
||
catalogAvailable = data.catalog_available === true && modelCatalog.length > 0;
|
||
thinkingLevelNote.textContent = typeof data.thinking_note === "string" && data.thinking_note ? data.thinking_note : THINKING_NOTE;
|
||
renderSavedModelSettings();
|
||
retryModelSettingsBtn.hidden = catalogAvailable;
|
||
setSettingsStatus(catalogAvailable ? (data.message || "Your saved settings are loaded. Choose preferences, then Save.") : `${data.message || "Model catalog unavailable."} Your saved preferences are shown; retry to make changes.`, catalogAvailable ? "" : "error");
|
||
} catch (error) {
|
||
if (!settingsResponseIsCurrent(account, generation)) return;
|
||
catalogAvailable = false;
|
||
retryModelSettingsBtn.hidden = false;
|
||
// Keep this account's last saved display when a refresh fails.
|
||
renderSavedModelSettings();
|
||
setSettingsStatus(`Could not load model settings: ${error.message} Retry to load your saved preferences.`, "error");
|
||
} finally {
|
||
if (settingsResponseIsCurrent(account, generation)) {
|
||
settingsBusy = false; settingsAbort = null; updateSettingsControls();
|
||
}
|
||
}
|
||
}
|
||
modelSelect.addEventListener("change", () => {
|
||
const previous = thinkingLevelSelect.value;
|
||
const model = modelCatalog.find(item => item.id === modelSelect.value);
|
||
renderThinkingLevels(model?.thinking_levels.includes(previous) ? previous : model?.thinking_levels[0]);
|
||
setSettingsStatus("Unsaved changes. Save to apply them to your account.");
|
||
});
|
||
thinkingLevelSelect.addEventListener("change", () => {
|
||
updateSettingsControls(); setSettingsStatus("Unsaved changes. Save to apply them to your account.");
|
||
});
|
||
retryModelSettingsBtn.addEventListener("click", loadModelSettings);
|
||
modelSettingsForm.addEventListener("submit", async event => {
|
||
event.preventDefault(); updateSettingsControls();
|
||
if (saveModelSettingsBtn.disabled) return;
|
||
const account = accountIdentity(), generation = ++settingsGeneration;
|
||
const settings = { model: modelSelect.value, thinking_level: thinkingLevelSelect.value };
|
||
settingsAbort = new AbortController(); settingsBusy = true; modelSettingsForm.dataset.operation = "save";
|
||
retryModelSettingsBtn.hidden = true;
|
||
setSettingsStatus("Saving your model settings…"); updateSettingsControls();
|
||
try {
|
||
const data = await HopeAuth.request("/api/settings/model", { method: "PUT", body: JSON.stringify(settings), signal: settingsAbort.signal });
|
||
if (!settingsResponseIsCurrent(account, generation)) return;
|
||
savedModelSettings = readSavedSettings(data); renderSavedModelSettings();
|
||
setSettingsStatus(data.message || "Saved. Your next request will use these account settings; your conversation continues uninterrupted.", "success");
|
||
} catch (error) {
|
||
if (!settingsResponseIsCurrent(account, generation)) return;
|
||
retryModelSettingsBtn.hidden = false;
|
||
setSettingsStatus(`Could not save settings: ${error.message} Your changes are not confirmed saved. Try Save again, or Retry to reload saved preferences.`, "error");
|
||
} finally {
|
||
if (settingsResponseIsCurrent(account, generation)) {
|
||
settingsBusy = false; settingsAbort = null; updateSettingsControls();
|
||
}
|
||
}
|
||
});
|
||
|
||
// ── Voice settings sheet ────────────────────────────────────────────────────
|
||
function currentVoiceId() {
|
||
const saved = localStorage.getItem("preferred_voice");
|
||
return VOICES.some((v) => v.id === saved) ? saved : VOICES[0].id;
|
||
}
|
||
|
||
function renderVoiceList() {
|
||
voiceListEl.innerHTML = "";
|
||
const active = currentVoiceId();
|
||
for (const v of VOICES) {
|
||
const card = document.createElement("div");
|
||
card.className = "voice-card" + (v.id === active ? " active" : "");
|
||
card.dataset.voice = v.id;
|
||
|
||
const name = document.createElement("span");
|
||
name.className = "voice-name";
|
||
name.textContent = v.name + (v.tag ? ` (${v.tag})` : "");
|
||
|
||
const selected = v.id === active;
|
||
card.setAttribute("role", "radio");
|
||
card.setAttribute("aria-checked", String(selected));
|
||
card.tabIndex = 0;
|
||
card.appendChild(name);
|
||
card.addEventListener("click", () => selectVoice(v.id));
|
||
card.addEventListener("keydown", (event) => {
|
||
if (event.key === "Enter" || event.key === " ") {
|
||
event.preventDefault();
|
||
selectVoice(v.id);
|
||
}
|
||
});
|
||
voiceListEl.appendChild(card);
|
||
}
|
||
}
|
||
|
||
function selectVoice(voiceId) {
|
||
localStorage.setItem("preferred_voice", voiceId);
|
||
renderVoiceList();
|
||
if (room && agentParticipant) {
|
||
sendVoiceMessage(voiceId);
|
||
const v = VOICES.find((x) => x.id === voiceId);
|
||
addMessage("system", `Voice changed to ${v ? v.name : voiceId}`);
|
||
}
|
||
}
|
||
|
||
function openSheet() {
|
||
if (!HopeAuth.user) return;
|
||
renderVoiceList();
|
||
settingsSheet.hidden = false; settingsSheet.inert = false;
|
||
document.getElementById("authenticatedApp").inert = true;
|
||
sheetBackdrop.hidden = false;
|
||
settingsSheet.classList.add("open");
|
||
settingsBtn.setAttribute("aria-expanded", "true");
|
||
loadModelSettings();
|
||
// The catalog is loading, so the first stable enabled control is Close.
|
||
sheetFocusableControls()[0]?.focus();
|
||
}
|
||
|
||
function closeSheet() {
|
||
settingsSheet.classList.remove("open");
|
||
settingsSheet.hidden = true; settingsSheet.inert = true;
|
||
document.getElementById("authenticatedApp").inert = false;
|
||
settingsBtn.setAttribute("aria-expanded", "false");
|
||
sheetBackdrop.hidden = true;
|
||
settingsBtn.focus();
|
||
}
|
||
|
||
function sheetFocusableControls() {
|
||
return [...settingsSheet.querySelectorAll('button, select, input, textarea, a[href], [tabindex]')].filter(el =>
|
||
!el.disabled && el.tabIndex >= 0 && !el.closest('[hidden], [inert]') &&
|
||
el.getClientRects().length > 0 && getComputedStyle(el).visibility !== "hidden"
|
||
);
|
||
}
|
||
settingsBtn.setAttribute("aria-expanded", "false");
|
||
settingsBtn.addEventListener("click", openSheet);
|
||
closeSheetBtn.addEventListener("click", closeSheet);
|
||
sheetBackdrop.addEventListener("click", closeSheet);
|
||
document.addEventListener("keydown", (event) => {
|
||
if (event.key === "Tab" && settingsSheet.classList.contains("open")) {
|
||
const focusable = sheetFocusableControls();
|
||
const first = focusable[0], last = focusable[focusable.length - 1];
|
||
if (!focusable.includes(document.activeElement)) { event.preventDefault(); first?.focus(); }
|
||
else if (event.shiftKey && document.activeElement === first) { event.preventDefault(); last?.focus(); }
|
||
else if (!event.shiftKey && document.activeElement === last) { event.preventDefault(); first?.focus(); }
|
||
}
|
||
if (event.key !== "Escape") return;
|
||
if (settingsSheet.classList.contains("open")) closeSheet();
|
||
if (tasksPanel.classList.contains("open")) setTasksOpen(false);
|
||
});
|
||
// ── Wake lock ───────────────────────────────────────────────────────────────
|
||
async function acquireWakeLock() {
|
||
try {
|
||
if ("wakeLock" in navigator) {
|
||
wakeLock = await navigator.wakeLock.request("screen");
|
||
}
|
||
} catch (e) { /* not critical */ }
|
||
}
|
||
|
||
function releaseWakeLock() {
|
||
if (wakeLock) {
|
||
wakeLock.release().catch(() => {});
|
||
wakeLock = null;
|
||
}
|
||
}
|
||
|
||
// ── Agent detection ─────────────────────────────────────────────────────────
|
||
// The agent may already be in the room before we join (it persists between
|
||
// page loads), so scan remoteParticipants after connect AND watch for new
|
||
// joins — ParticipantConnected does not fire for pre-existing participants.
|
||
function isAgent(participant) {
|
||
// kind is the numeric proto enum; ParticipantKind.AGENT === 4.
|
||
// Prefer the SDK's own getter where available.
|
||
if (participant.isAgent !== undefined && participant.isAgent !== null) {
|
||
return participant.isAgent;
|
||
}
|
||
return participant.kind === (LivekitClient.ParticipantKind?.AGENT ?? 4);
|
||
}
|
||
|
||
function findAgent(rm) {
|
||
if (!rm) return null;
|
||
for (const p of rm.remoteParticipants.values()) {
|
||
if (isAgent(p)) return p;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
function markAgentFound(rm, participant) {
|
||
if (rm !== room || !HopeAuth.user) return;
|
||
agentParticipant = participant;
|
||
statusEl.textContent = conversationMode === "text"
|
||
? "Hope joined · Text chat ready"
|
||
: "Hope joined · Preparing microphone…";
|
||
// Synchronize voice and interaction mode when the agent joins.
|
||
sendVoiceMessage(currentVoiceId(), rm);
|
||
sendModeMessage(conversationMode, rm);
|
||
}
|
||
|
||
async function createRoom(token, attempt) {
|
||
const newRoom = new Room({
|
||
adaptiveStream: true,
|
||
dynacast: true,
|
||
});
|
||
|
||
room = newRoom;
|
||
// Listen for the agent joining after us
|
||
newRoom.on(RoomEvent.ParticipantConnected, (participant) => {
|
||
if (newRoom === room && isAgent(participant)) markAgentFound(newRoom, participant);
|
||
});
|
||
|
||
// Attach and play incoming audio tracks (agent TTS)
|
||
newRoom.on(RoomEvent.TrackSubscribed, (track, publication, participant) => {
|
||
if (newRoom === room && isAgent(participant) && track.kind === LivekitClient.Track.Kind.Audio) {
|
||
const el = track.attach();
|
||
el.id = `audio-${participant.identity}-${publication.trackSid}`;
|
||
document.body.appendChild(el);
|
||
// Remote audio analyser drives the orb + visualizer while speaking
|
||
setupRemoteAudioAnalyser(el);
|
||
}
|
||
});
|
||
|
||
newRoom.on(RoomEvent.TrackUnsubscribed, (track) => {
|
||
track.detach().forEach((el) => el.remove());
|
||
});
|
||
|
||
// Browsers block audio playback until a user gesture; show an unlock
|
||
// button if the page loads without one.
|
||
newRoom.on(RoomEvent.AudioPlaybackStatusChanged, () => {
|
||
if (newRoom !== room) return;
|
||
if (!newRoom.canPlaybackAudio) {
|
||
const existing = document.getElementById("audioUnlockBtn");
|
||
if (!existing) {
|
||
const btn = document.createElement("button");
|
||
btn.id = "audioUnlockBtn";
|
||
btn.className = "btn btn-primary";
|
||
btn.textContent = "Tap to enable audio";
|
||
btn.classList.add("audio-unlock");
|
||
btn.onclick = () => { newRoom.startAudio(); btn.remove(); };
|
||
document.body.appendChild(btn);
|
||
}
|
||
} else {
|
||
const existing = document.getElementById("audioUnlockBtn");
|
||
if (existing) existing.remove();
|
||
}
|
||
});
|
||
|
||
// Live text stream (word-by-word transcripts)
|
||
registerTranscriptionStream(newRoom);
|
||
|
||
// Data channel: transcripts (secondary source) + voice control
|
||
newRoom.on(RoomEvent.DataReceived, (payload, participant, kind, topic) => {
|
||
if (newRoom === room) handleDataPacket(payload, participant, topic);
|
||
});
|
||
|
||
// Guard with `=== room` so a stale (retry-discarded) connection cannot
|
||
// clobber UI state of the active one.
|
||
newRoom.on(RoomEvent.ConnectionQualityChanged, (participant, quality) => {
|
||
if (participant === newRoom.localParticipant && newRoom === room) {
|
||
if (![...progress.values()].some(item => item.status === "working")) statusEl.textContent = `Secure room · ${quality} connection`;
|
||
}
|
||
});
|
||
|
||
newRoom.on(RoomEvent.Disconnected, () => {
|
||
if (newRoom !== room) return;
|
||
stopConversation();
|
||
});
|
||
await newRoom.connect(LIVEKIT_URL, token, { autoSubscribe: true });
|
||
checkAttempt(attempt);
|
||
const existing = findAgent(newRoom);
|
||
if (existing) markAgentFound(newRoom, existing);
|
||
return newRoom;
|
||
}
|
||
|
||
let connectionEpoch = 0;
|
||
let tokenAbort = null;
|
||
function checkAttempt(attempt) {
|
||
if (attempt !== connectionEpoch || !HopeAuth.user || HopeAuth.user.status !== "ready") throw new Error("Connection cancelled");
|
||
}
|
||
function waitFor(condition, timeout, attempt) {
|
||
return new Promise((resolve, reject) => {
|
||
const deadline = Date.now() + timeout;
|
||
const tick = () => {
|
||
try { checkAttempt(attempt); } catch (error) { reject(error); return; }
|
||
if (condition()) resolve(true);
|
||
else if (Date.now() >= deadline) resolve(false);
|
||
else setTimeout(tick, 100);
|
||
};
|
||
tick();
|
||
});
|
||
}
|
||
function cleanupRoom() {
|
||
const stale = room; room = null; agentParticipant = null; agentReady = false;
|
||
if (stale) stale.disconnect().catch(() => {});
|
||
teardownAudio(); stopVisualLoop(); releaseWakeLock();
|
||
document.querySelectorAll('[id^="audio-"]').forEach(el => el.remove());
|
||
document.getElementById("audioUnlockBtn")?.remove();
|
||
muteBtn.disabled = true; micMuted = false; updateMuteIcon();
|
||
}
|
||
function stopConversation() {
|
||
connectionEpoch++; tokenAbort?.abort(); tokenAbort = null; connectionPromise = null;
|
||
cleanupRoom(); statusEl.textContent = "Conversation ended"; setState("idle");
|
||
startBtn.disabled = !HopeAuth.user || HopeAuth.user.status !== "ready"; stopBtn.disabled = true;
|
||
for (const item of progress.values()) if (item.status === "working") { item.status = "failed"; item.message = "Conversation ended before completion."; }
|
||
tasksBadge.hidden = true;
|
||
}
|
||
async function connectConversation() {
|
||
if (!HopeAuth.user || HopeAuth.user.status !== "ready") throw new Error("Sign in with a ready account to connect.");
|
||
if (connectionPromise) return connectionPromise;
|
||
if (room && agentReady) return room;
|
||
const attempt = ++connectionEpoch;
|
||
startBtn.disabled = true; stopBtn.disabled = false;
|
||
const promise = (async () => {
|
||
try {
|
||
setState("connecting"); statusEl.textContent = "Opening your secure room…";
|
||
checkAttempt(attempt);
|
||
const tokenData = await fetchToken(attempt); checkAttempt(attempt);
|
||
await createRoom(tokenData.token, attempt); checkAttempt(attempt);
|
||
statusEl.textContent = "Inviting Hope into the room…";
|
||
if (!(await waitFor(() => !!findAgent(room), 15000, attempt))) throw new Error("Assistant did not join — try again");
|
||
if (!agentParticipant) markAgentFound(room, findAgent(room));
|
||
if (!(await waitFor(() => agentReady, 10000, attempt))) throw new Error("Assistant was not ready — try again");
|
||
checkAttempt(attempt); sendModeMessage(conversationMode);
|
||
const active = room;
|
||
if (conversationMode === "voice") {
|
||
await active.startAudio(); checkAttempt(attempt);
|
||
statusEl.textContent = "Waiting for microphone permission…";
|
||
await active.localParticipant.setMicrophoneEnabled(true);
|
||
if (attempt !== connectionEpoch) { await active.localParticipant.setMicrophoneEnabled(false); throw new Error("Connection cancelled"); }
|
||
checkAttempt(attempt); micMuted = false; setupMicAnalyser(); startVisualLoop();
|
||
statusEl.textContent = "Secure room · Microphone on";
|
||
} else {
|
||
await active.localParticipant.setMicrophoneEnabled(false); checkAttempt(attempt);
|
||
micMuted = true; stopVisualLoop(); statusEl.textContent = "Secure room · Text mode";
|
||
}
|
||
muteBtn.disabled = conversationMode !== "voice"; updateMuteIcon(); setState("listening"); return room;
|
||
} catch (error) {
|
||
if (attempt === connectionEpoch) { cleanupRoom(); statusEl.textContent = `Error: ${error.message}`; setState("idle"); startBtn.disabled = !HopeAuth.user || HopeAuth.user.status !== "ready"; stopBtn.disabled = true; }
|
||
throw error;
|
||
} finally { if (attempt === connectionEpoch) connectionPromise = null; }
|
||
})();
|
||
connectionPromise = promise;
|
||
return promise;
|
||
}
|
||
|
||
startBtn.addEventListener("click", () => {
|
||
connectConversation().catch(() => {});
|
||
});
|
||
|
||
// ── Text chat ──────────────────────────────────────────────────────────────
|
||
function resizeChatInput() {
|
||
chatInput.style.height = "auto";
|
||
chatInput.style.height = `${Math.min(chatInput.scrollHeight, 144)}px`;
|
||
}
|
||
|
||
chatInput.addEventListener("input", () => {
|
||
resizeChatInput();
|
||
sendChatBtn.disabled = !chatInput.value.trim();
|
||
});
|
||
|
||
chatInput.addEventListener("keydown", (event) => {
|
||
if (event.key === "Enter" && !event.shiftKey) {
|
||
event.preventDefault();
|
||
chatComposer.requestSubmit();
|
||
}
|
||
});
|
||
|
||
chatComposer.addEventListener("submit", async (event) => {
|
||
event.preventDefault();
|
||
const text = chatInput.value.trim();
|
||
if (!text || !HopeAuth.user || HopeAuth.user.status !== "ready") return;
|
||
|
||
sendChatBtn.disabled = true;
|
||
chatInput.disabled = true;
|
||
try {
|
||
if (conversationMode !== "text") await setConversationMode("text");
|
||
await connectConversation();
|
||
setState("thinking");
|
||
await room.localParticipant.sendText(text, { topic: "lk.chat" });
|
||
chatInput.value = "";
|
||
resizeChatInput();
|
||
} catch (err) {
|
||
console.error("Text message failed:", err);
|
||
statusEl.textContent = `Message not sent: ${err.message}`;
|
||
setState(room ? "listening" : "idle");
|
||
} finally {
|
||
chatInput.disabled = !HopeAuth.user || HopeAuth.user.status !== "ready";
|
||
sendChatBtn.disabled = !HopeAuth.user || !chatInput.value.trim();
|
||
chatInput.focus();
|
||
}
|
||
});
|
||
|
||
// ── Stop ────────────────────────────────────────────────────────────────────
|
||
stopBtn.addEventListener("click", stopConversation);
|
||
|
||
// ── Mic mute toggle ─────────────────────────────────────────────────────────
|
||
muteBtn.addEventListener("click", async () => {
|
||
if (!room || !room.localParticipant) return;
|
||
const nextMuted = !micMuted;
|
||
try {
|
||
await room.localParticipant.setMicrophoneEnabled(!nextMuted);
|
||
micMuted = nextMuted;
|
||
updateMuteIcon();
|
||
} catch (err) {
|
||
console.warn("Microphone toggle failed:", err);
|
||
statusEl.textContent = "Microphone unavailable in this browser";
|
||
}
|
||
});
|
||
|
||
function updateMuteIcon() {
|
||
const muted = muteBtn.classList.toggle("muted", micMuted);
|
||
muteBtn.setAttribute("aria-label", muted ? "Unmute microphone" : "Mute microphone");
|
||
muteBtn.title = muted ? "Unmute microphone" : "Mute microphone";
|
||
}
|
||
|
||
// ── Helper: fetch a signed access token from the token endpoint ────────────
|
||
async function fetchToken(attempt) {
|
||
checkAttempt(attempt);
|
||
tokenAbort = new AbortController();
|
||
const data = await HopeAuth.request("/token", { method: "POST", body: JSON.stringify({}), signal: tokenAbort.signal });
|
||
checkAttempt(attempt);
|
||
if (!data.token || typeof data.token !== "string") throw new Error("Token endpoint did not return a room token");
|
||
return data;
|
||
}
|
||
|
||
// ── Helper: send voice selection to the agent via data channel ─────────────
|
||
function sendVoiceMessage(voice, targetRoom) {
|
||
const r = targetRoom || room;
|
||
if (!r || !r.localParticipant) return;
|
||
const payload = new TextEncoder().encode(JSON.stringify({ type: "set_voice", voice }));
|
||
r.localParticipant.publishData(payload, {
|
||
topic: "voice-control",
|
||
reliable: true,
|
||
}).catch(() => {});
|
||
}
|
||
|
||
function sendModeMessage(mode, targetRoom) {
|
||
const r = targetRoom || room;
|
||
if (!r || !r.localParticipant) return;
|
||
const payload = new TextEncoder().encode(JSON.stringify({ type: "set_mode", mode }));
|
||
r.localParticipant.publishData(payload, {
|
||
topic: "conversation-control",
|
||
reliable: true,
|
||
}).catch(() => {});
|
||
}
|
||
|
||
HopeAuth.onChange((user, changed) => {
|
||
if (changed || !user || user.status !== "ready") stopConversation();
|
||
if (changed || settingsAccount !== (user ? String(user.id) : null)) resetModelSettings(user);
|
||
if (changed) {
|
||
historyKey = user ? `hope_history:${location.origin}:${encodeURIComponent(user.id)}` : null;
|
||
history = loadHistory(); renderHistory(); progress.clear(); tasksList.replaceChildren(); tasksBadge.hidden = true;
|
||
chatInput.value = ""; sendChatBtn.disabled = true;
|
||
setTasksOpen(false); closeSheet();
|
||
}
|
||
startBtn.disabled = !user || user.status !== "ready" || !!room || !!connectionPromise;
|
||
chatInput.disabled = !user || user.status !== "ready";
|
||
});
|
||
buildLedWall();
|