agent ui: SPA shell — static index.html + app.js, /api/state JSON

This commit is contained in:
müde 2026-05-15 17:15:28 +02:00
parent 6fc9862c3c
commit 124fd97288
4 changed files with 395 additions and 211 deletions

290
hive-ag3nt/assets/app.js Normal file
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@ -0,0 +1,290 @@
// Per-agent web UI. Renders title + login/online view from `/api/state`,
// tails `/events/stream` for live claude events, drives async-form
// actions (send / login/* / dashboard rebuild).
(() => {
// ─── helpers ────────────────────────────────────────────────────────────
const $ = (id) => document.getElementById(id);
const escText = (s) => String(s).replace(/[&<>"]/g, (c) =>
({ '&':'&amp;', '<':'&lt;', '>':'&gt;', '"':'&quot;' }[c])
);
const el = (tag, attrs = {}, ...children) => {
const e = document.createElement(tag);
for (const [k, v] of Object.entries(attrs)) {
if (k === 'class') e.className = v;
else if (k === 'html') e.innerHTML = v;
else e.setAttribute(k, v);
}
for (const c of children) {
if (c == null) continue;
e.append(c.nodeType ? c : document.createTextNode(c));
}
return e;
};
// ─── async-form submit (shared with dashboard) ──────────────────────────
document.addEventListener('submit', async (e) => {
const f = e.target;
if (!(f instanceof HTMLFormElement) || !f.hasAttribute('data-async')) return;
e.preventDefault();
if (f.dataset.confirm && !confirm(f.dataset.confirm)) return;
const btn = f.querySelector('button[type="submit"], button:not([type])');
const original = btn ? btn.innerHTML : '';
if (btn) { btn.disabled = true; btn.innerHTML = '<span class="spinner">◐</span>'; }
try {
const resp = await fetch(f.action, {
method: f.method || 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: new URLSearchParams(new FormData(f)),
redirect: 'manual',
});
const ok = resp.ok || resp.type === 'opaqueredirect'
|| (resp.status >= 200 && resp.status < 400);
if (!ok) {
const text = await resp.text().catch(() => '');
alert('action failed: ' + resp.status + (text ? '\n\n' + text : ''));
if (btn) { btn.disabled = false; btn.innerHTML = original; }
return;
}
// Clear text inputs the operator typed into (the form value was sent).
f.querySelectorAll('input[type="text"], input:not([type])').forEach((i) => { i.value = ''; });
refreshState();
} catch (err) {
alert('action failed: ' + err);
if (btn) { btn.disabled = false; btn.innerHTML = original; }
}
});
// ─── state rendering ────────────────────────────────────────────────────
function setHeader(label, dashboardPort) {
$('banner').textContent =
`░▒▓█▓▒░ ${label} ░▒▓█▓▒░ hyperhive ag3nt ░▒▓█▓▒░`;
const title = $('title');
title.textContent = `${label}`;
const btn = el('a', {
href: '#', class: 'btn-rebuild', id: 'rebuild-btn',
}, '↻ R3BU1LD');
btn.addEventListener('click', (e) => {
e.preventDefault();
if (!confirm(`rebuild ${label}? container will hot-reload.`)) return;
const url = `${location.protocol}//${location.hostname}:${dashboardPort}/rebuild/${label}`;
const f = document.createElement('form');
f.method = 'POST';
f.action = url;
document.body.appendChild(f);
f.submit();
});
title.append(btn);
document.title = `${label} // hyperhive`;
}
function renderOnline(label, root) {
root.append(
el('p', { class: 'status-online' }, '▓█▓▒░ harness alive — turn loop running ▓█▓▒░'),
);
const form = el('form', {
action: '/send', method: 'POST', class: 'sendform', 'data-async': '',
});
form.append(
el('input', {
name: 'body', placeholder: `message ${label} as operator…`,
required: '', autocomplete: 'off',
}),
el('button', { type: 'submit', class: 'btn btn-send' }, '◆ S3ND'),
);
root.append(form);
root.append(el('p', { class: 'meta', html:
'enqueued with <code>from: operator</code> on this agent\'s inbox; the next turn picks it up.',
}));
}
function renderNeedsLoginIdle(root) {
root.append(
el('p', { class: 'status-needs-login' }, '▓█▓▒░ NEEDS L0G1N ▓█▓▒░'),
el('p', { html:
'No Claude session in <code>~/.claude/</code>. The harness is up but the turn loop is paused until you log in.',
}),
);
const start = el('form', {
action: '/login/start', method: 'POST', 'data-async': '',
});
start.append(
el('button', { type: 'submit', class: 'btn btn-login' }, '◆ ST4RT L0G1N'),
);
root.append(start);
root.append(el('p', { class: 'meta', html:
'Spawns <code>claude auth login</code> over plain stdio pipes. The OAuth URL will appear here when claude emits it; paste the resulting code back into the form below.',
}));
}
function renderLoginInProgress(s, root) {
root.append(el('p', { class: 'status-needs-login' }, '▓█▓▒░ L0G1N 1N PR0GRESS ▓█▓▒░'));
if (s.url) {
const link = el('a', {
href: s.url, target: '_blank', rel: 'noreferrer',
}, s.url);
root.append(el('p', {}, '▶ ', link));
root.append(el('p', { class: 'meta' },
'open this URL in a browser, complete the OAuth flow, paste the resulting code below.',
));
} else {
root.append(el('p', { class: 'meta' },
'waiting for claude to emit an OAuth URL on stdout… (output below)',
));
}
if (!s.finished) {
const code = el('form', {
action: '/login/code', method: 'POST', class: 'loginform', 'data-async': '',
});
code.append(
el('input', {
name: 'code', placeholder: 'paste OAuth code here',
required: '', autocomplete: 'off',
}),
el('button', { type: 'submit', class: 'btn btn-login' }, '◆ S3ND C0DE'),
);
root.append(code);
}
const cancel = el('form', {
action: '/login/cancel', method: 'POST', 'data-async': '',
style: 'margin-top: 0.4em;',
});
cancel.append(el('button', { type: 'submit', class: 'btn btn-cancel' }, 'cancel + kill'));
root.append(cancel);
if (s.finished) {
root.append(el('p', { class: 'status-needs-login' },
`claude process exited: ${s.exit_note || 'exited'}. Start over if needed.`,
));
}
root.append(el('h3', {}, 'output'));
root.append(el('pre', { class: 'diff' }, s.output || ''));
}
let headerSet = false;
async function refreshState() {
try {
const resp = await fetch('/api/state');
if (!resp.ok) throw new Error('http ' + resp.status);
const s = await resp.json();
if (!headerSet) { setHeader(s.label, s.dashboard_port); headerSet = true; }
const root = $('status');
root.innerHTML = '';
if (s.status === 'online') renderOnline(s.label, root);
else if (s.status === 'needs_login_idle') renderNeedsLoginIdle(root);
else if (s.status === 'needs_login_in_progress') renderLoginInProgress(s.session || {}, root);
} catch (err) {
console.error('refreshState failed', err);
}
}
refreshState();
// Mid-login refresh on a short interval so the output buffer updates.
setInterval(() => {
// Cheap; api/state is small. Could subscribe to SSE state events later.
refreshState();
}, 3000);
// ─── live event stream ──────────────────────────────────────────────────
(function() {
const log = $('live');
if (!log) return;
let placeholder = log.firstChild;
function setPlaceholder(text) {
log.innerHTML = '';
const span = document.createElement('div');
span.className = 'meta';
span.textContent = text;
log.appendChild(span);
placeholder = span;
}
function clearPlaceholder() {
if (placeholder) { log.innerHTML = ''; placeholder = null; }
}
function row(cls, text) {
clearPlaceholder();
const e = document.createElement('div');
e.className = 'row ' + (cls || '');
e.textContent = text;
log.appendChild(e);
log.scrollTop = log.scrollHeight;
return e;
}
function trim(s, n) { return s.length > n ? s.slice(0, n) + '…' : s; }
function renderStream(v) {
if (v.type === 'system' && v.subtype === 'init') {
row('sys', '· session init · tools=' + (v.tools||[]).length + ' model=' + (v.model || '?'));
return;
}
if (v.type === 'rate_limit_event') {
const u = Math.round((v.rate_limit_info?.utilization || 0) * 100);
const s = v.rate_limit_info?.status || '';
row('sys', '· rate-limit util=' + u + '% (' + s + ')');
return;
}
if (v.type === 'assistant' && v.message && v.message.content) {
for (const c of v.message.content) {
if (c.type === 'text' && c.text && c.text.trim()) row('text', c.text);
else if (c.type === 'thinking') row('thinking', '· thinking …');
else if (c.type === 'tool_use') row('tool-use', '→ ' + c.name + ' ' + trim(JSON.stringify(c.input || {}), 240));
}
return;
}
if (v.type === 'user' && v.message && v.message.content) {
for (const c of v.message.content) {
if (c.type === 'tool_result') {
const txt = Array.isArray(c.content)
? c.content.map(p => p.text || '').join(' ')
: (c.content || '');
row('tool-result', '← ' + trim(txt, 300));
}
}
return;
}
if (v.type === 'result') {
row('result', '✓ done · ' + (v.subtype || '') + (v.is_error ? ' [error]' : ''));
return;
}
row('sys', '· ' + trim(JSON.stringify(v), 200));
}
function handle(ev) {
if (ev.kind === 'turn_start') {
const block = row('turn-start', '◆ TURN ← ' + ev.from);
const body = document.createElement('div');
body.className = 'turn-body';
body.textContent = ev.body;
block.appendChild(body);
return;
}
if (ev.kind === 'turn_end') {
const cls = ev.ok ? 'turn-end-ok' : 'turn-end-fail';
row(cls, (ev.ok ? '✓' : '✗') + ' turn ' + (ev.ok ? 'ok' : 'fail') + (ev.note ? ' — ' + ev.note : ''));
// Login may have just landed (or session re-enters Online). Pull
// fresh state so the form view reflects it.
refreshState();
return;
}
if (ev.kind === 'note') {
row('note', '· ' + ev.text);
return;
}
if (ev.kind === 'stream') {
const v = Object.assign({}, ev); delete v.kind;
renderStream(v);
return;
}
row('note', JSON.stringify(ev));
}
const es = new EventSource('/events/stream');
es.onopen = () => setPlaceholder('(connected — waiting for events)');
es.onmessage = (e) => {
try { handle(JSON.parse(e.data)); }
catch (err) { row('note', '[parse err] ' + e.data); }
};
es.onerror = () => {
if (es.readyState === EventSource.CONNECTING) setPlaceholder('(reconnecting…)');
else row('note', '[disconnected]');
};
})();
// Avoid unused-var lint while keeping `escText` available for future use.
void escText;
})();

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@ -0,0 +1,22 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>hyperhive agent</title>
<link rel="stylesheet" href="/static/agent.css">
</head>
<body>
<pre class="banner" id="banner">░▒▓█▓▒░ … ░▒▓█▓▒░ hyperhive ag3nt ░▒▓█▓▒░</pre>
<h2 id="title">◆ … ◆</h2>
<div class="divider">══════════════════════════════════════════════════════════════</div>
<div id="status">
<p class="meta">loading…</p>
</div>
<h3>live</h3>
<div id="live" class="live"><div class="meta">connecting…</div></div>
<script src="/static/app.js" defer></script>
</body>
</html>

View file

@ -1,103 +0,0 @@
(function() {
const log = document.getElementById('live');
let placeholder = log.firstChild;
function setPlaceholder(text) {
log.innerHTML = '';
const span = document.createElement('div');
span.className = 'meta';
span.textContent = text;
log.appendChild(span);
placeholder = span;
}
function clearPlaceholder() {
if (placeholder) { log.innerHTML = ''; placeholder = null; }
}
function row(cls, text) {
clearPlaceholder();
const el = document.createElement('div');
el.className = 'row ' + (cls || '');
el.textContent = text;
log.appendChild(el);
log.scrollTop = log.scrollHeight;
return el;
}
function trim(s, n) {
return s.length > n ? s.slice(0, n) + '…' : s;
}
function renderStream(v) {
if (v.type === 'system' && v.subtype === 'init') {
row('sys', '· session init · tools=' + (v.tools||[]).length + ' model=' + (v.model || '?'));
return;
}
if (v.type === 'rate_limit_event') {
const u = Math.round((v.rate_limit_info?.utilization || 0) * 100);
const s = v.rate_limit_info?.status || '';
row('sys', '· rate-limit util=' + u + '% (' + s + ')');
return;
}
if (v.type === 'assistant' && v.message && v.message.content) {
for (const c of v.message.content) {
if (c.type === 'text' && c.text && c.text.trim())
row('text', c.text);
else if (c.type === 'thinking')
row('thinking', '· thinking …');
else if (c.type === 'tool_use')
row('tool-use', '→ ' + c.name + ' ' + trim(JSON.stringify(c.input || {}), 240));
}
return;
}
if (v.type === 'user' && v.message && v.message.content) {
for (const c of v.message.content) {
if (c.type === 'tool_result') {
const txt = Array.isArray(c.content)
? c.content.map(p => p.text || '').join(' ')
: (c.content || '');
row('tool-result', '← ' + trim(txt, 300));
}
}
return;
}
if (v.type === 'result') {
row('result', '✓ done · ' + (v.subtype || '') + (v.is_error ? ' [error]' : ''));
return;
}
// Fallback: small one-liner for unknown events; don't spam.
row('sys', '· ' + trim(JSON.stringify(v), 200));
}
function handle(ev) {
if (ev.kind === 'turn_start') {
const block = row('turn-start', '◆ TURN ← ' + ev.from);
const body = document.createElement('div');
body.className = 'turn-body';
body.textContent = ev.body;
block.appendChild(body);
return;
}
if (ev.kind === 'turn_end') {
const cls = ev.ok ? 'turn-end-ok' : 'turn-end-fail';
const sym = ev.ok ? '✓' : '✗';
row(cls, sym + ' turn ' + (ev.ok ? 'ok' : 'fail') + (ev.note ? ' — ' + ev.note : ''));
return;
}
if (ev.kind === 'note') {
row('note', '· ' + ev.text);
return;
}
if (ev.kind === 'stream') {
const v = Object.assign({}, ev); delete v.kind;
renderStream(v);
return;
}
row('note', JSON.stringify(ev));
}
const es = new EventSource('/events/stream');
es.onopen = function() { setPlaceholder('(connected — waiting for events)'); };
es.onmessage = function(e) {
try { handle(JSON.parse(e.data)); }
catch (err) { row('note', '[parse err] ' + e.data); }
};
es.onerror = function() {
if (es.readyState === EventSource.CONNECTING) setPlaceholder('(reconnecting…)');
else row('note', '[disconnected]');
};
})();

View file

@ -1,7 +1,9 @@
//! Per-container HTTP UI. Phase 6 minimum — a status page on a host port.
//! Containers share the host's network namespace (privateNetwork = false), so
//! each instance must bind a distinct port. `HIVE_PORT` is set per agent by
//! `hive-c0re`'s generated per-agent flake (deterministic from agent name).
//! Per-container HTTP UI. SPA shape: `GET /` returns a static shell;
//! `GET /static/*` serves CSS + JS; `GET /api/state` returns the page
//! state as JSON; the JS app renders. Live events stream on
//! `/events/stream`. Action POSTs (`/send`, `/login/*`) return either a
//! 303 Redirect (for browsers that submit the form normally) or just
//! 200 OK — the JS app re-fetches `/api/state` afterwards.
use std::convert::Infallible;
use std::net::SocketAddr;
@ -12,13 +14,14 @@ use anyhow::{Context, Result};
use axum::{
Form, Router,
extract::State,
http::StatusCode,
response::{
Html, IntoResponse, Redirect, Response,
IntoResponse, Redirect, Response,
sse::{Event, KeepAlive, Sse},
},
routing::{get, post},
};
use serde::Deserialize;
use serde::{Deserialize, Serialize};
use tokio_stream::{Stream, StreamExt, wrappers::BroadcastStream};
use crate::client;
@ -66,7 +69,10 @@ pub async fn serve(
flavor,
};
let app = Router::new()
.route("/", get(index))
.route("/", get(serve_index))
.route("/static/agent.css", get(serve_css))
.route("/static/app.js", get(serve_app_js))
.route("/api/state", get(api_state))
.route("/events/stream", get(events_stream))
.route("/send", post(post_send))
.route("/login/start", post(post_login_start))
@ -82,100 +88,83 @@ pub async fn serve(
Ok(())
}
async fn index(State(state): State<AppState>) -> Html<String> {
// ---------------------------------------------------------------------------
// Static assets + state snapshot
// ---------------------------------------------------------------------------
async fn serve_index() -> impl IntoResponse {
(
[("content-type", "text/html; charset=utf-8")],
include_str!("../assets/index.html"),
)
}
async fn serve_css() -> impl IntoResponse {
(
[("content-type", "text/css")],
include_str!("../assets/agent.css"),
)
}
async fn serve_app_js() -> impl IntoResponse {
(
[("content-type", "application/javascript")],
include_str!("../assets/app.js"),
)
}
#[derive(Serialize)]
struct StateSnapshot {
label: String,
dashboard_port: u16,
/// `"online"` | `"needs_login_idle"` | `"needs_login_in_progress"`.
status: &'static str,
/// Present when `status == "needs_login_in_progress"`.
session: Option<SessionView>,
}
#[derive(Serialize)]
struct SessionView {
/// First `https://…` claude emitted on stdout, if any.
url: Option<String>,
/// Accumulated stdout + stderr.
output: String,
finished: bool,
exit_note: Option<String>,
}
async fn api_state(State(state): State<AppState>) -> axum::Json<StateSnapshot> {
drop_if_finished(&state.session);
let login = *state.login.lock().unwrap();
let session_snapshot = state.session.lock().unwrap().clone();
let body = match (login, session_snapshot) {
(LoginState::Online, _) => render_online(&state.label),
(LoginState::NeedsLogin, None) => render_needs_login_idle(),
(LoginState::NeedsLogin, Some(session)) => render_login_in_progress(&session),
let (status, session_view) = match (login, session_snapshot) {
(LoginState::Online, _) => ("online", None),
(LoginState::NeedsLogin, None) => ("needs_login_idle", None),
(LoginState::NeedsLogin, Some(s)) => (
"needs_login_in_progress",
Some(SessionView {
url: s.url(),
output: s.output(),
finished: s.finished(),
exit_note: s.exit_note(),
}),
),
};
let dashboard_port = std::env::var("HIVE_DASHBOARD_PORT")
.ok()
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(7000);
Html(format!(
"<!doctype html>\n<html lang=\"en\">\n<head>\n<meta charset=\"utf-8\">\n<title>{label} // hyperhive</title>\n{STYLE}\n</head>\n<body>\n<pre class=\"banner\">░▒▓█▓▒░ {label} ░▒▓█▓▒░ hyperhive ag3nt ░▒▓█▓▒░</pre>\n<h2>◆ {label} ◆ <a href=\"#\" id=\"rebuild-btn\" class=\"btn-rebuild\" data-port=\"{dashboard_port}\" data-label=\"{label}\">↻ R3BU1LD</a></h2>\n<div class=\"divider\">══════════════════════════════════════════════════════════════</div>\n{body}\n<script>\n(function() {{\n const b = document.getElementById('rebuild-btn');\n b.addEventListener('click', function(e) {{\n e.preventDefault();\n if (!confirm('rebuild ' + b.dataset.label + '? container will hot-reload.')) return;\n const url = window.location.protocol + '//' + window.location.hostname + ':' + b.dataset.port + '/rebuild/' + b.dataset.label;\n const form = document.createElement('form');\n form.method = 'POST';\n form.action = url;\n document.body.appendChild(form);\n form.submit();\n }});\n}})();\n</script>\n</body>\n</html>\n",
label = state.label,
))
axum::Json(StateSnapshot {
label: state.label.clone(),
dashboard_port,
status,
session: session_view,
})
}
fn render_online(label: &str) -> String {
format!(
"<p class=\"status-online\">▓█▓▒░ harness alive — turn loop running ▓█▓▒░</p>\n\
<form id=\"sendform\" class=\"sendform\">\n \
<input id=\"sendbody\" name=\"body\" placeholder=\"message {label} as operator…\" required autocomplete=\"off\">\n \
<button type=\"submit\" class=\"btn btn-send\">◆ S3ND</button>\n\
</form>\n\
<p class=\"meta\">enqueued with <code>from: operator</code> on this agent's inbox; the next turn picks it up.</p>\n\
<script>\n\
document.getElementById('sendform').addEventListener('submit', async function(e) {{\n \
e.preventDefault();\n \
const input = document.getElementById('sendbody');\n \
const body = input.value.trim();\n \
if (!body) return;\n \
const resp = await fetch('/send', {{\n \
method: 'POST',\n \
headers: {{ 'Content-Type': 'application/x-www-form-urlencoded' }},\n \
body: new URLSearchParams({{ body }}),\n \
redirect: 'manual',\n \
}});\n \
if (resp.type === 'opaqueredirect' || (resp.ok && resp.status < 400)) {{\n \
input.value = '';\n \
}} else {{\n \
alert('send failed: ' + resp.status);\n \
}}\n\
}});\n\
</script>\n\
{LIVE_PANEL}",
)
}
/// Live event tail rendered into every `/` response when the agent is online.
/// JS opens an `EventSource` on `/events/stream` and appends rows; no full-page
/// reload, so the login flow and other forms aren't clobbered.
const LIVE_PANEL: &str = concat!(
"<h3>live</h3>\n",
"<div id=\"live\" class=\"live\"><div class=\"meta\">connecting…</div></div>\n",
"<script>\n",
include_str!("../assets/live.js"),
"</script>",
);
fn render_needs_login_idle() -> String {
"<p class=\"status-needs-login\">▓█▓▒░ NEEDS L0G1N ▓█▓▒░</p>\n<p>No Claude session in <code>~/.claude/</code>. The harness is up but the turn loop is paused until you log in.</p>\n<form method=\"POST\" action=\"/login/start\">\n <button type=\"submit\" class=\"btn btn-login\">◆ ST4RT L0G1N</button>\n</form>\n<p class=\"meta\">Spawns <code>claude auth login</code> over plain stdio pipes. The OAuth URL will appear here when claude emits it; paste the resulting code back into the form below.</p>".into()
}
fn render_login_in_progress(session: &Arc<LoginSession>) -> String {
let url_block = match session.url() {
Some(url) => format!(
"<p>▶ <a href=\"{url}\" target=\"_blank\" rel=\"noreferrer\">{url}</a></p>\n<p class=\"meta\">open this URL in a browser, complete the OAuth flow, paste the resulting code below.</p>",
url = html_escape(&url),
),
None => "<p class=\"meta\">waiting for claude to emit an OAuth URL on stdout… (output below)</p>".into(),
};
let exit_badge = if session.finished() {
let note = session.exit_note().unwrap_or_else(|| "exited".into());
format!(
"<p class=\"status-needs-login\">claude process exited: {note}. Start over if needed.</p>",
note = html_escape(&note),
)
} else {
String::new()
};
let output = session.output();
let code_form = if session.finished() {
String::new()
} else {
"<form method=\"POST\" action=\"/login/code\" class=\"loginform\">\n <input name=\"code\" placeholder=\"paste OAuth code here\" required autocomplete=\"off\">\n <button type=\"submit\" class=\"btn btn-login\">◆ S3ND C0DE</button>\n</form>".into()
};
let cancel_form = "<form method=\"POST\" action=\"/login/cancel\" style=\"margin-top: 0.4em;\">\n <button type=\"submit\" class=\"btn btn-cancel\">cancel + kill</button>\n</form>".to_owned();
format!(
"<p class=\"status-needs-login\">▓█▓▒░ L0G1N 1N PR0GRESS ▓█▓▒░</p>\n{url_block}\n{code_form}\n{cancel_form}\n{exit_badge}\n<h3>output</h3>\n<pre class=\"diff\">{output}</pre>",
output = html_escape(&output),
)
}
// ---------------------------------------------------------------------------
// Action handlers
// ---------------------------------------------------------------------------
#[derive(Deserialize)]
struct SendForm {
@ -278,21 +267,7 @@ async fn post_login_cancel(State(state): State<AppState>) -> Response {
}
fn error_response(message: &str) -> Response {
(
axum::http::StatusCode::INTERNAL_SERVER_ERROR,
Html(format!(
"<!doctype html>\n<html><head>{STYLE}</head><body><h2>error</h2><pre class=\"diff\">{msg}</pre><p><a href=\"/\">← back</a></p></body></html>",
msg = html_escape(message),
)),
)
.into_response()
// Plain text — JS app surfaces in `alert()`, HTML wrapping would just
// be noise.
(StatusCode::INTERNAL_SERVER_ERROR, message.to_owned()).into_response()
}
fn html_escape(s: &str) -> String {
s.replace('&', "&amp;")
.replace('<', "&lt;")
.replace('>', "&gt;")
.replace('"', "&quot;")
}
const STYLE: &str = concat!("<style>\n", include_str!("../assets/agent.css"), "</style>",);