open-voice-agent / src /ui /index.html
dvalle08's picture
refactor: Remove LLM to TTS handoff latency from metrics and UI
ee7cdab
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1"
/>
<title>Open Voice Agent</title>
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
:root {
--bg-primary: #0b0e13;
--bg-secondary: #131720;
--bg-tertiary: #1a2030;
--bg-card: #161c2a;
--border: #252d3f;
--border-light: #2e3a50;
--text-primary: #eef0f6;
--text-secondary: #8d95ab;
--text-muted: #5c6478;
--accent: #6c8fff;
--accent-light: #8eaaff;
--accent-glow: rgba(108, 143, 255, 0.15);
--accent-gradient: linear-gradient(135deg, #6c8fff 0%, #a78bfa 100%);
--user-color: #22c55e;
--user-bg: rgba(34, 197, 94, 0.08);
--agent-color: #6c8fff;
--agent-bg: rgba(108, 143, 255, 0.08);
--warning: #f59e0b;
--tool-accent: #f59e0b;
--post-accent: #34d399;
--critical: #ef4444;
--radius: 12px;
--radius-sm: 8px;
--radius-xs: 6px;
}
body {
font-family: 'Inter', system-ui, -apple-system, sans-serif;
margin: 0;
padding: 0;
background: var(--bg-primary);
color: var(--text-primary);
min-height: 100vh;
overflow-x: hidden;
}
/* Header */
.header {
padding: 16px 24px;
display: flex;
align-items: center;
justify-content: space-between;
border-bottom: 1px solid var(--border);
background: var(--bg-secondary);
}
.header-left {
display: flex;
align-items: center;
gap: 12px;
}
.header-right {
display: flex;
align-items: center;
gap: 10px;
}
.logo {
font-size: 18px;
font-weight: 700;
letter-spacing: -0.3px;
background: var(--accent-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.status-badge {
display: flex;
align-items: center;
gap: 6px;
padding: 4px 10px;
background: var(--bg-tertiary);
border: 1px solid var(--border);
border-radius: 20px;
font-size: 12px;
color: var(--text-secondary);
}
.meta-badge {
display: flex;
align-items: center;
gap: 6px;
padding: 4px 10px;
background: var(--bg-tertiary);
border: 1px solid var(--border);
border-radius: 20px;
font-size: 11px;
color: var(--text-secondary);
}
.meta-label {
color: var(--text-muted);
font-weight: 600;
}
.meta-value {
color: var(--text-primary);
font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
font-size: 10px;
}
.status-dot {
width: 7px;
height: 7px;
border-radius: 50%;
background: var(--text-muted);
transition: background 0.3s;
}
.status-dot.connected {
background: #22c55e;
box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}
.status-dot.connecting {
background: var(--warning);
animation: pulse-dot 1s infinite;
}
@keyframes pulse-dot {
0%, 100% { opacity: 1; }
50% { opacity: 0.4; }
}
.controls {
display: flex;
gap: 6px;
}
.controls button {
padding: 7px 14px;
border-radius: 20px;
border: 1px solid var(--border);
background: var(--bg-tertiary);
color: var(--text-primary);
cursor: pointer;
font-size: 12px;
font-weight: 500;
transition: all 0.2s;
display: flex;
align-items: center;
gap: 5px;
}
.controls button:hover:not(:disabled) {
background: var(--bg-card);
border-color: var(--border-light);
}
.controls button:disabled {
opacity: 0.35;
cursor: not-allowed;
}
.controls button.btn-primary {
background: var(--accent);
border-color: var(--accent);
color: #fff;
}
.controls button.btn-primary:hover:not(:disabled) {
background: var(--accent-light);
border-color: var(--accent-light);
}
.controls button.btn-danger {
color: var(--critical);
border-color: rgba(239, 68, 68, 0.3);
}
.controls button.btn-danger:hover:not(:disabled) {
background: rgba(239, 68, 68, 0.1);
border-color: rgba(239, 68, 68, 0.5);
}
.trace-dropdown {
position: relative;
min-width: 360px;
}
.trace-dropdown-toggle {
width: 100%;
border-radius: 10px;
border: 1px solid var(--border);
background: var(--bg-tertiary);
color: var(--text-primary);
padding: 8px 10px;
font-size: 11px;
font-weight: 600;
line-height: 1;
display: inline-flex;
align-items: center;
justify-content: space-between;
gap: 8px;
cursor: pointer;
transition: border-color 0.2s, background 0.2s;
}
.trace-dropdown-toggle:hover:not(:disabled) {
border-color: rgba(108, 143, 255, 0.45);
background: var(--bg-card);
}
.trace-dropdown-toggle:disabled {
opacity: 0.45;
cursor: not-allowed;
}
.trace-dropdown-label {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.trace-dropdown-chevron {
width: 14px;
height: 14px;
color: var(--text-secondary);
flex-shrink: 0;
transition: transform 0.2s ease;
}
.trace-dropdown-toggle[aria-expanded="true"] .trace-dropdown-chevron {
transform: rotate(180deg);
}
.trace-dropdown-menu {
position: absolute;
top: calc(100% + 6px);
right: 0;
width: min(520px, 78vw);
max-height: 320px;
overflow-y: auto;
border-radius: 10px;
border: 1px solid var(--border-light);
background: #111725;
box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
z-index: 60;
padding: 8px;
}
.trace-dropdown-empty {
font-size: 11px;
color: var(--text-muted);
padding: 8px;
}
.trace-dropdown-list {
display: flex;
flex-direction: column;
gap: 6px;
}
.trace-entry {
display: flex;
align-items: center;
justify-content: space-between;
gap: 8px;
padding: 8px;
border-radius: 8px;
border: 1px solid rgba(108, 143, 255, 0.18);
background: rgba(108, 143, 255, 0.05);
}
.trace-entry-meta {
min-width: 0;
display: flex;
flex-direction: column;
gap: 3px;
}
.trace-entry-id {
font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
font-size: 11px;
color: var(--text-primary);
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.trace-entry-time {
font-size: 10px;
color: var(--text-secondary);
}
.trace-entry-open {
flex-shrink: 0;
padding: 6px 9px;
border-radius: 7px;
border: 1px solid rgba(108, 143, 255, 0.5);
color: #b8c9ff;
text-decoration: none;
background: rgba(108, 143, 255, 0.08);
font-size: 10px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.05em;
}
.trace-entry-open:hover {
border-color: rgba(108, 143, 255, 0.7);
color: #d7e1ff;
}
/* Main layout — single column, top to bottom */
.main {
display: flex;
flex-direction: column;
height: calc(100vh - 57px);
overflow-x: hidden;
overflow-y: auto;
}
/* Waveform hero */
.waveform-section {
flex-grow: 1;
flex-shrink: 1;
min-height: 200px;
max-height: 60vh;
padding: 20px 24px 16px;
display: flex;
justify-content: center;
align-items: center;
background: radial-gradient(ellipse at center, rgba(108, 143, 255, 0.04) 0%, transparent 70%);
overflow: hidden;
}
canvas {
width: 100%;
max-width: 900px;
height: auto;
max-height: 100%;
border-radius: var(--radius-sm);
}
/* Live metrics row */
.live-metrics-row {
flex-shrink: 0;
padding: 0 24px 12px;
}
.pipeline-header {
display: flex;
align-items: baseline;
gap: 10px;
margin-bottom: 10px;
}
.pipeline-title {
font-size: 11px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--text-muted);
}
.pipeline-subtitle {
font-size: 11px;
color: var(--text-muted);
}
.pipeline-phase-label {
--phase-color: var(--accent-light);
--phase-line: rgba(108, 143, 255, 0.2);
color: var(--phase-color);
display: flex;
align-items: center;
gap: 8px;
margin: 2px 0 8px;
}
.pipeline-phase-label::before {
content: "";
width: 10px;
height: 2px;
border-radius: 999px;
background: var(--phase-color);
}
.pipeline-phase-label::after {
content: "";
flex: 1;
height: 1px;
background: var(--phase-line);
}
.pipeline-phase-label .text {
font-size: 10px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
}
.pipeline-phase-label.primary {
--phase-color: var(--accent-light);
--phase-line: rgba(108, 143, 255, 0.22);
}
.pipeline-phase-label.tool {
--phase-color: var(--tool-accent);
--phase-line: rgba(245, 158, 11, 0.22);
}
.pipeline-phase-label.post {
--phase-color: var(--post-accent);
--phase-line: rgba(52, 211, 153, 0.22);
}
.pipeline-stage-row {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 10px;
--connector-a: rgba(108, 143, 255, 0.18);
--connector-b: rgba(108, 143, 255, 0.5);
--connector-c: rgba(167, 139, 250, 0.58);
--connector-shadow: rgba(108, 143, 255, 0.18);
--connector-arrow: rgba(167, 139, 250, 0.72);
}
.pipeline-stage-row.tool-phase-row {
grid-template-columns: minmax(0, 1fr);
}
.pipeline-stage-row.post-tool-row {
grid-template-columns: repeat(2, minmax(0, 1fr));
--connector-a: rgba(52, 211, 153, 0.2);
--connector-b: rgba(52, 211, 153, 0.6);
--connector-c: rgba(16, 185, 129, 0.56);
--connector-shadow: rgba(52, 211, 153, 0.2);
--connector-arrow: rgba(52, 211, 153, 0.76);
}
.pipeline-stage-row.no-connectors .stage-card::after,
.pipeline-stage-row.no-connectors .stage-card::before {
display: none !important;
}
.stage-card[hidden] {
display: none;
}
.metric-card {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius-sm);
padding: 10px 12px;
}
.stage-card {
position: relative;
}
.stage-card::after {
content: "";
position: absolute;
top: 50%;
left: calc(100% - 6px);
width: 16px;
height: 1px;
border-radius: 999px;
background: linear-gradient(
90deg,
var(--connector-a) 0%,
var(--connector-b) 60%,
var(--connector-c) 100%
);
box-shadow: 0 0 5px var(--connector-shadow);
transform: translateY(-50%);
pointer-events: none;
z-index: 1;
}
.stage-card::before {
content: "";
position: absolute;
top: 50%;
left: calc(100% + 10px);
width: 6px;
height: 6px;
background: var(--connector-arrow);
clip-path: polygon(0 0, 100% 50%, 0 100%);
box-shadow: 0 0 6px var(--connector-shadow);
transform: translateY(-50%);
pointer-events: none;
z-index: 1;
}
.stage-card:last-child::after {
display: none;
}
.stage-card:last-child::before {
display: none;
}
.metric-card-top {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 8px;
}
.metric-step {
width: 22px;
height: 22px;
border-radius: 6px;
display: inline-grid;
place-items: center;
font-size: 11px;
font-weight: 700;
color: var(--accent-light);
background: var(--accent-glow);
border: 1px solid rgba(108, 143, 255, 0.35);
flex-shrink: 0;
}
.metric-card.theme-primary {
border-color: rgba(108, 143, 255, 0.24);
}
.metric-card.theme-tool {
background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.03));
border-color: rgba(245, 158, 11, 0.3);
}
.metric-card.theme-post {
background: linear-gradient(135deg, rgba(52, 211, 153, 0.1), rgba(16, 185, 129, 0.03));
border-color: rgba(52, 211, 153, 0.3);
}
.metric-card.theme-tool .metric-step {
color: var(--tool-accent);
background: rgba(245, 158, 11, 0.18);
border-color: rgba(245, 158, 11, 0.45);
}
.metric-card.theme-post .metric-step {
color: var(--post-accent);
background: rgba(52, 211, 153, 0.16);
border-color: rgba(52, 211, 153, 0.45);
}
.metric-card.theme-tool .metric-card-value {
color: var(--tool-accent);
}
.metric-card.theme-post .metric-card-value {
color: var(--post-accent);
}
.metric-card.theme-tool .metric-card-fill {
background: linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(245, 158, 11, 0.5));
}
.metric-card.theme-post .metric-card-fill {
background: linear-gradient(135deg, rgba(52, 211, 153, 0.95), rgba(16, 185, 129, 0.5));
}
.metric-tech-wrap {
display: inline-flex;
align-items: center;
gap: 6px;
}
.metric-tech {
font-size: 10px;
color: var(--text-secondary);
}
.metric-card-human {
font-size: 13px;
font-weight: 600;
margin-bottom: 2px;
}
.metric-card-desc {
font-size: 11px;
color: var(--text-muted);
margin-bottom: 8px;
min-height: 28px;
}
.metric-card-value-row {
display: flex;
align-items: baseline;
gap: 8px;
margin-bottom: 8px;
}
.metric-card-value {
font-size: 22px;
font-weight: 700;
line-height: 1;
font-variant-numeric: tabular-nums;
color: var(--accent-light);
transition: color 0.3s;
}
.metric-card-value.loading {
font-size: 13px;
font-weight: 600;
line-height: 1.2;
color: var(--text-muted);
}
.metric-card-value.warning { color: var(--warning); }
.metric-card-value.critical { color: var(--critical); }
.metric-card-avg {
font-size: 10px;
color: var(--text-secondary);
}
.metric-card-track {
height: 4px;
background: var(--border);
border-radius: 999px;
overflow: hidden;
}
.metric-card-fill {
height: 100%;
border-radius: 999px;
background: var(--accent-gradient);
transition: width 0.5s ease, background 0.3s;
}
.metric-card-fill.warning { background: var(--warning); }
.metric-card-fill.critical { background: var(--critical); }
.pipeline-total-card {
margin-top: 10px;
background: linear-gradient(135deg, rgba(108, 143, 255, 0.08), rgba(167, 139, 250, 0.06));
border: 1px solid rgba(108, 143, 255, 0.28);
border-radius: var(--radius-sm);
padding: 12px 14px;
}
.pipeline-total-top {
display: flex;
justify-content: space-between;
align-items: flex-end;
gap: 10px;
margin-bottom: 10px;
}
.pipeline-total-label {
font-size: 14px;
font-weight: 600;
}
.pipeline-total-tech {
font-size: 10px;
color: var(--text-secondary);
display: inline-flex;
align-items: center;
gap: 6px;
}
.pipeline-total-value-wrap {
display: flex;
flex-direction: column;
align-items: flex-end;
gap: 2px;
}
.pipeline-total-value {
font-size: 28px;
}
.pipeline-total-avg {
font-size: 11px;
color: var(--text-secondary);
}
.pipeline-total-card.post-tool {
background: linear-gradient(135deg, rgba(52, 211, 153, 0.12), rgba(16, 185, 129, 0.04));
border-color: rgba(52, 211, 153, 0.3);
}
.pipeline-total-card.post-tool .pipeline-total-value {
color: var(--post-accent);
}
.pipeline-total-card.neutral {
background: linear-gradient(135deg, rgba(141, 149, 171, 0.09), rgba(74, 85, 110, 0.04));
border-color: rgba(141, 149, 171, 0.3);
}
.pipeline-total-card.neutral .pipeline-total-value {
color: var(--text-secondary);
}
.tool-phase-shell {
margin-top: 16px;
}
.tool-phase-toggle {
width: 100%;
display: flex;
align-items: center;
gap: 8px;
border: 1px solid rgba(245, 158, 11, 0.24);
background: rgba(245, 158, 11, 0.06);
color: var(--tool-accent);
border-radius: 8px;
padding: 8px 10px;
cursor: pointer;
transition: border-color 0.2s, background 0.2s;
}
.tool-phase-toggle:hover {
border-color: rgba(245, 158, 11, 0.42);
background: rgba(245, 158, 11, 0.1);
}
.tool-phase-chevron {
width: 14px;
height: 14px;
flex-shrink: 0;
transition: transform 0.25s ease;
}
.tool-phase-toggle[aria-expanded="true"] .tool-phase-chevron {
transform: rotate(180deg);
}
.tool-phase-title {
font-size: 10px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
}
.tool-phase-count {
font-size: 11px;
color: var(--text-muted);
}
.tool-phase-toggle-spacer {
flex: 1;
}
.tool-phase-content {
margin-top: 12px;
animation: fade-in-slide 0.2s ease;
}
.tool-phase-content[hidden] {
display: none;
}
.tool-list {
margin: 6px 0 8px;
display: flex;
flex-direction: column;
gap: 4px;
}
.tool-list-item {
display: flex;
align-items: center;
justify-content: space-between;
gap: 8px;
font-size: 11px;
color: var(--text-secondary);
}
.tool-list-name {
color: rgba(245, 158, 11, 0.96);
}
.tool-list-duration {
font-variant-numeric: tabular-nums;
}
.tool-list-empty {
font-size: 11px;
color: var(--text-muted);
}
.tool-tag {
display: inline-flex;
align-items: center;
border-radius: 5px;
background: rgba(245, 158, 11, 0.16);
color: var(--tool-accent);
font-size: 9px;
font-weight: 700;
letter-spacing: 0.05em;
padding: 2px 6px;
text-transform: uppercase;
}
@keyframes fade-in-slide {
from {
opacity: 0;
transform: translateY(-6px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.tooltip {
position: relative;
display: inline-flex;
align-items: center;
}
.tooltip-trigger {
width: 16px;
height: 16px;
padding: 0;
border-radius: 50%;
border: 1px solid var(--border-light);
background: rgba(255, 255, 255, 0.02);
color: var(--text-secondary);
cursor: pointer;
font-size: 10px;
line-height: 1;
display: inline-grid;
place-items: center;
}
.tooltip-trigger:hover {
border-color: rgba(108, 143, 255, 0.4);
color: var(--text-primary);
}
.tooltip-content {
position: absolute;
right: 0;
bottom: calc(100% + 8px);
width: 220px;
padding: 8px;
border-radius: 8px;
border: 1px solid var(--border-light);
background: #111725;
color: var(--text-primary);
font-size: 11px;
line-height: 1.35;
opacity: 0;
pointer-events: none;
transform: translateY(4px);
transition: opacity 0.2s ease, transform 0.2s ease;
z-index: 20;
white-space: normal;
overflow-wrap: anywhere;
}
.tooltip.tooltip-right .tooltip-content {
left: calc(100% + 8px);
right: auto;
top: 50%;
bottom: auto;
transform: translateY(-50%) translateX(4px);
}
.tooltip:hover .tooltip-content,
.tooltip:focus-within .tooltip-content {
opacity: 1;
pointer-events: auto;
transform: translateY(0);
}
.tooltip.tooltip-right:hover .tooltip-content,
.tooltip.tooltip-right:focus-within .tooltip-content {
transform: translateY(-50%) translateX(0);
}
@media (max-width: 1100px) {
.header {
flex-wrap: wrap;
align-items: flex-start;
gap: 10px;
}
.header-right {
width: 100%;
justify-content: space-between;
flex-wrap: wrap;
}
.trace-dropdown {
flex: 1;
min-width: 280px;
}
.pipeline-stage-row {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.pipeline-stage-row.tool-phase-row {
grid-template-columns: 1fr;
}
.pipeline-stage-row.post-tool-row {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.stage-card::after {
display: none;
}
.stage-card::before {
display: none;
}
.stage-card:nth-child(odd)::after {
display: block;
}
.stage-card:nth-child(odd)::before {
display: block;
}
.stage-card:last-child::after {
display: none;
}
.stage-card:last-child::before {
display: none;
}
}
@media (max-width: 700px) {
.header {
padding: 12px 14px;
}
.header-left {
width: 100%;
justify-content: space-between;
}
.header-right {
width: 100%;
flex-direction: column;
align-items: stretch;
gap: 8px;
}
.trace-dropdown {
width: 100%;
min-width: 0;
}
.trace-dropdown-menu {
left: 0;
right: 0;
width: 100%;
}
.controls {
width: 100%;
}
.controls button {
flex: 1;
justify-content: center;
}
.waveform-section {
min-height: 160px;
padding: 14px 14px 10px;
}
.live-metrics-row {
padding: 0 14px 10px;
}
.pipeline-stage-row {
grid-template-columns: 1fr;
}
.pipeline-stage-row.post-tool-row {
grid-template-columns: 1fr;
}
.pipeline-total-top {
align-items: flex-start;
flex-direction: column;
}
.pipeline-total-value-wrap {
align-items: flex-start;
}
.stage-card::after {
display: none !important;
}
.stage-card::before {
display: none !important;
}
.tooltip.tooltip-right .tooltip-content {
left: auto;
right: 0;
top: auto;
bottom: calc(100% + 8px);
transform: translateY(4px);
}
.tooltip.tooltip-right:hover .tooltip-content,
.tooltip.tooltip-right:focus-within .tooltip-content {
transform: translateY(0);
}
}
/* Footer note */
.footer-note {
flex-shrink: 0;
padding: 8px 24px;
border-top: 1px solid var(--border);
font-size: 10px;
color: var(--text-muted);
text-align: center;
background: var(--bg-secondary);
}
.footer-note a {
color: var(--accent);
text-decoration: none;
transition: color 0.2s;
}
.footer-note a:hover {
color: var(--accent-light);
text-decoration: underline;
}
</style>
</head>
<body>
<!-- Header -->
<div class="header">
<div class="header-left">
<div class="logo">Open Voice Agent</div>
<div class="status-badge">
<div class="status-dot" id="status-dot"></div>
<span id="status">Idle</span>
</div>
</div>
<div class="header-right">
<div class="trace-dropdown" id="trace-dropdown">
<button
type="button"
class="trace-dropdown-toggle"
id="trace-dropdown-toggle"
aria-expanded="false"
aria-controls="trace-dropdown-menu"
disabled
>
<span class="trace-dropdown-label" id="trace-dropdown-label">Connect to initialize trace links.</span>
<svg class="trace-dropdown-chevron" viewBox="0 0 16 16" fill="none" aria-hidden="true">
<path d="M4 6l4 4 4-4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" />
</svg>
</button>
<div class="trace-dropdown-menu" id="trace-dropdown-menu" hidden>
<div class="trace-dropdown-empty" id="trace-dropdown-empty">No traces yet.</div>
<div class="trace-dropdown-list" id="trace-dropdown-list"></div>
</div>
</div>
<div class="controls">
<button id="connect" class="btn-primary">
<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M5 12h14"/><path d="m12 5 7 7-7 7"/></svg>
Connect
</button>
<button id="disconnect" class="btn-danger" disabled>
<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/></svg>
Disconnect
</button>
<button id="mute" disabled>
<svg id="mic-icon" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2a3 3 0 0 0-3 3v7a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3Z"/><path d="M19 10v2a7 7 0 0 1-14 0v-2"/><line x1="12" x2="12" y1="19" y2="22"/></svg>
Mute
</button>
</div>
</div>
</div>
<!-- Main single-column layout -->
<div class="main">
<!-- Waveform hero -->
<div class="waveform-section">
<canvas id="wave" width="900" height="200"></canvas>
</div>
<!-- Live metric cards -->
<div class="live-metrics-row">
<div class="pipeline-header">
<span class="pipeline-title">Voice Agent Pipeline</span>
<span class="pipeline-subtitle">Core stages from end-of-speech to first assistant audio</span>
</div>
<div class="pipeline-phase-label primary">
<span class="text">Initial Response</span>
</div>
<div class="pipeline-stage-row" id="pipeline-stage-row">
<div class="metric-card stage-card theme-primary">
<div class="metric-card-top">
<span class="metric-step">1</span>
<div class="metric-tech-wrap">
<span class="metric-tech">EOU Delay</span>
<div class="tooltip">
<button type="button" class="tooltip-trigger" aria-label="What is EOU Delay?">i</button>
<span class="tooltip-content" role="tooltip">Seconds from detected end of speech (VAD) until your turn is finalized, including transcription delay.</span>
</div>
</div>
</div>
<div class="metric-card-human">Turn Detection</div>
<div class="metric-card-desc">Finalizing when your turn is complete</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-eou">--</span>
<span class="metric-card-avg" id="live-eou-avg"></span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-eou-bar" style="width: 0%"></div>
</div>
</div>
<div class="metric-card stage-card theme-primary">
<div class="metric-card-top">
<span class="metric-step">2</span>
<div class="metric-tech-wrap">
<span class="metric-tech">LLM TTFT</span>
<div class="tooltip">
<button type="button" class="tooltip-trigger" aria-label="What is LLM TTFT?">i</button>
<span class="tooltip-content" role="tooltip">Thinking time: from LLM request start to the first generated token.</span>
</div>
</div>
</div>
<div class="metric-card-human">Thinking</div>
<div class="metric-card-desc">Generating the first token</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-llm-ttft">--</span>
<span class="metric-card-avg" id="live-llm-ttft-avg"></span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-llm-ttft-bar" style="width: 0%"></div>
</div>
</div>
<div class="metric-card stage-card theme-primary">
<div class="metric-card-top">
<span class="metric-step">3</span>
<div class="metric-tech-wrap">
<span class="metric-tech">TTS TTFB</span>
<div class="tooltip">
<button type="button" class="tooltip-trigger" aria-label="What is Voice Generation?">i</button>
<span class="tooltip-content" role="tooltip">Voice generation startup only: time from TTS request start to the first audio chunk (TTFB).</span>
</div>
</div>
</div>
<div class="metric-card-human">Voice Generation</div>
<div class="metric-card-desc">Starting audio synthesis</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-voice-generation">--</span>
<span class="metric-card-avg" id="live-voice-generation-avg"></span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-voice-generation-bar" style="width: 0%"></div>
</div>
</div>
</div>
<div class="pipeline-total-card" id="first-audio-card">
<div class="pipeline-total-top">
<div>
<div class="pipeline-total-label" id="live-total-label">Total Round-Trip</div>
<div class="pipeline-total-tech">
<span id="live-total-tech-text">End-to-End Latency</span>
<div class="tooltip tooltip-right">
<button type="button" class="tooltip-trigger" aria-label="What is End-to-End Latency?">i</button>
<span class="tooltip-content" role="tooltip" id="live-total-tooltip-text">Sum of the three stages above: EOU delay + Thinking (LLM TTFT) + Voice Generation (TTS TTFB).</span>
</div>
</div>
</div>
<div class="pipeline-total-value-wrap">
<span class="metric-card-value pipeline-total-value" id="live-total">--</span>
<span class="pipeline-total-avg" id="live-total-avg"></span>
</div>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-total-bar" style="width: 0%"></div>
</div>
</div>
<div class="tool-phase-shell" id="tool-phase-shell" hidden>
<button
type="button"
class="tool-phase-toggle"
id="tool-phase-toggle"
aria-expanded="true"
aria-controls="tool-phase-content"
>
<svg class="tool-phase-chevron" id="tool-phase-chevron" viewBox="0 0 16 16" fill="none" aria-hidden="true">
<path d="M4 6l4 4 4-4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" />
</svg>
<span class="tool-phase-title">Tool Execution</span>
<span class="tool-phase-count" id="tool-phase-count">0 tools called</span>
<span class="tool-phase-toggle-spacer"></span>
</button>
<div class="tool-phase-content" id="tool-phase-content">
<div class="pipeline-stage-row tool-phase-row no-connectors">
<div class="metric-card stage-card theme-tool" id="live-tool-card">
<div class="metric-card-top">
<span class="metric-step">
<svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true">
<path d="M12.1 3.9c-.5-.5-1.2-.7-1.9-.6l-1.5-1.5c-.2-.2-.5-.2-.7 0s-.2.5 0 .7l1.3 1.3c-.3.8-.1 1.7.5 2.3.5.5 1.2.7 1.9.6l2.5 2.5c.2.2.5.2.7 0s.2-.5 0-.7l-2.5-2.5c.1-.7-.1-1.4-.6-1.9zM3.5 12.5l3-3L5 8l-3 3c-.3.3-.3.7 0 1l.5.5c.3.3.7.3 1 0zM13.4 11.6l-5-5-.7.7 5 5c.2.2.5.2.7 0s.2-.5 0-.7zM4.1 2.6L2 4.7l1.1 1.1 1.1-.6 1.1 1.1-.6 1.1 1.1 1.1 2.1-2.1-3.8-3.8z" />
</svg>
</span>
<div class="metric-tech-wrap">
<span class="metric-tech">Tool Calls</span>
<span class="tool-tag" id="live-tool-tag">Tool Call</span>
</div>
</div>
<div class="metric-card-human" id="live-tool-title">Tool execution</div>
<div class="metric-card-desc" id="live-tool-desc">Executing external function calls</div>
<div class="tool-list" id="live-tool-list">
<div class="tool-list-empty">No tools executed.</div>
</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-tool-total">--</span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-tool-total-bar" style="width: 0%"></div>
</div>
</div>
</div>
<div class="pipeline-phase-label post">
<span class="text">Post-Tool Response</span>
</div>
<div class="pipeline-stage-row post-tool-row" id="post-tool-stage-row">
<div class="metric-card stage-card theme-post">
<div class="metric-card-top">
<span class="metric-step">5</span>
<div class="metric-tech-wrap">
<span class="metric-tech">LLM TTFT</span>
</div>
</div>
<div class="metric-card-human">Thinking</div>
<div class="metric-card-desc">Generating the first token after tools</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-post-llm-ttft">--</span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-post-llm-ttft-bar" style="width: 0%"></div>
</div>
</div>
<div class="metric-card stage-card theme-post">
<div class="metric-card-top">
<span class="metric-step">6</span>
<div class="metric-tech-wrap">
<span class="metric-tech">TTS TTFB</span>
</div>
</div>
<div class="metric-card-human">Voice Generation</div>
<div class="metric-card-desc">Starting post-tool audio synthesis</div>
<div class="metric-card-value-row">
<span class="metric-card-value" id="live-post-voice-generation">--</span>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-post-voice-generation-bar" style="width: 0%"></div>
</div>
</div>
</div>
<div class="pipeline-total-card post-tool" id="second-audio-card">
<div class="pipeline-total-top">
<div>
<div class="pipeline-total-label">Second Audio</div>
<div class="pipeline-total-tech">
<span id="live-second-audio-tech-text">Tool completion to post-tool assistant audio</span>
<span class="tool-tag">Tool→Audio</span>
</div>
</div>
<div class="pipeline-total-value-wrap">
<span class="metric-card-value pipeline-total-value" id="live-second-audio">--</span>
</div>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-second-audio-bar" style="width: 0%"></div>
</div>
</div>
</div>
<div class="pipeline-total-card neutral" id="total-turn-card">
<div class="pipeline-total-top">
<div>
<div class="pipeline-total-label">Total Turn Duration</div>
<div class="pipeline-total-tech">
<span>Complete turn including tool execution and post-tool response</span>
</div>
</div>
<div class="pipeline-total-value-wrap">
<span class="metric-card-value pipeline-total-value" id="live-total-turn">--</span>
</div>
</div>
<div class="metric-card-track">
<div class="metric-card-fill" id="live-total-turn-bar" style="width: 0%"></div>
</div>
</div>
</div>
</div>
<div class="footer-note">
{{FOOTER_POWERED_BY}}
</div>
</div>
<audio id="remote-audio" autoplay></audio>
<script src="https://unpkg.com/livekit-client/dist/livekit-client.umd.js"></script>
<script>
const LIVEKIT_URL = {{LIVEKIT_URL_JSON}};
const SESSION_BOOTSTRAP_URL = {{SESSION_BOOTSTRAP_URL_JSON}};
</script>
<script>
{{MAIN_JS}}
</script>
</body>
</html>