feat(voice): add dashscope & zhipu ASR, in-page mic input

This commit is contained in:
zhayujie
2026-05-20 22:36:37 +08:00
parent fff7326209
commit 2b90f377e6
9 changed files with 786 additions and 34 deletions

View File

@@ -59,6 +59,7 @@ const I18N = {
models_embedding_saved_title: '向量模型已更新',
models_embedding_saved_msg: '请在聊天框输入 /memory rebuild-index 重建索引。',
models_embedding_saved_ok: '去执行',
models_pick_provider: '待选择',
models_clear_confirm_title: '清除厂商凭据',
models_clear_confirm_msg: '确认清除该厂商的 API Key 与 Base URL 吗?相关能力将不再可用。',
cancel: '取消',
@@ -153,6 +154,12 @@ const I18N = {
tip_clear_context: '清除上下文',
tip_attach: '添加附件',
attach_menu_file: '上传文件',
mic_idle_title: '点击录音 / 再按一次结束',
mic_recording_title: '录音中,再次点击结束',
mic_busy_title: '识别中…',
mic_permission_denied: '无法访问麦克风,请检查浏览器权限',
mic_too_short: '录音太短,请重试',
mic_error: '语音识别失败',
attach_menu_folder: '上传文件夹',
confirm_yes: '确认',
confirm_cancel: '取消',
@@ -207,6 +214,7 @@ const I18N = {
models_embedding_saved_title: 'Embedding model updated',
models_embedding_saved_msg: 'Send /memory rebuild-index in the chat to rebuild the index.',
models_embedding_saved_ok: 'Go',
models_pick_provider: 'Pick a provider',
models_clear_confirm_title: 'Clear vendor credentials',
models_clear_confirm_msg: 'Remove this vendor\'s API Key and Base URL? Capabilities relying on it will stop working.',
cancel: 'Cancel',
@@ -301,6 +309,12 @@ const I18N = {
tip_clear_context: 'Clear Context',
tip_attach: 'Add Attachment',
attach_menu_file: 'Upload File',
mic_idle_title: 'Click to record, click again to stop',
mic_recording_title: 'Recording, click to stop',
mic_busy_title: 'Transcribing…',
mic_permission_denied: 'Cannot access microphone — check browser permissions',
mic_too_short: 'Recording too short, please retry',
mic_error: 'Speech recognition failed',
attach_menu_folder: 'Upload Folder',
confirm_yes: 'Confirm',
confirm_cancel: 'Cancel',
@@ -707,6 +721,191 @@ if (!supportsDirectoryUpload && attachFolderOption) {
attachFolderOption.classList.add('hidden');
}
// ---------------- Mic button: in-page voice input via the configured ASR provider ----------------
(function setupMicButton() {
const micBtn = document.getElementById('mic-btn');
if (!micBtn) return;
if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia ||
typeof window.MediaRecorder === 'undefined') {
micBtn.style.display = 'none';
return;
}
let mediaRecorder = null;
let stream = null;
let chunks = [];
let recording = false;
const setIdle = () => {
recording = false;
micBtn.classList.remove('text-red-500', 'animate-pulse');
micBtn.classList.add('text-slate-400');
micBtn.querySelector('i').className = 'fas fa-microphone text-sm';
micBtn.title = t('mic_idle_title');
};
const setRecording = () => {
recording = true;
micBtn.classList.remove('text-slate-400');
micBtn.classList.add('text-red-500', 'animate-pulse');
micBtn.querySelector('i').className = 'fas fa-stop text-sm';
micBtn.title = t('mic_recording_title');
};
const setBusy = () => {
micBtn.classList.remove('text-red-500', 'animate-pulse', 'text-slate-400');
micBtn.classList.add('text-primary-500');
micBtn.querySelector('i').className = 'fas fa-spinner fa-spin text-sm';
micBtn.title = t('mic_busy_title');
};
const pickMimeType = () => {
const candidates = [
'audio/webm;codecs=opus',
'audio/webm',
'audio/ogg;codecs=opus',
'audio/mp4',
];
for (const m of candidates) {
if (window.MediaRecorder.isTypeSupported && MediaRecorder.isTypeSupported(m)) {
return m;
}
}
return '';
};
const stopStream = () => {
if (stream) {
stream.getTracks().forEach(t => t.stop());
stream = null;
}
};
let _micTipTimer = null;
const flashError = (msg) => {
console.warn('[mic]', msg);
// Pop a small bubble above the mic so the user actually notices it.
// The mic lives inside a relatively-positioned wrapper around the
// textarea (see chat.html), so we hang the tip off that wrapper.
const wrapper = micBtn.parentElement;
if (!wrapper) return;
let tip = wrapper.querySelector('.mic-tip');
if (!tip) {
tip = document.createElement('div');
tip.className = 'mic-tip absolute right-1 bottom-full mb-2 px-2 py-1 rounded-md '
+ 'text-xs text-white bg-slate-800/90 dark:bg-slate-700/90 shadow-md '
+ 'pointer-events-none whitespace-nowrap z-10';
wrapper.appendChild(tip);
}
tip.textContent = msg;
tip.style.opacity = '1';
if (_micTipTimer) clearTimeout(_micTipTimer);
_micTipTimer = setTimeout(() => {
tip.style.opacity = '0';
tip.style.transition = 'opacity 200ms';
setTimeout(() => tip.remove(), 250);
}, 2000);
};
const upload = async (blob, ext) => {
setBusy();
const fd = new FormData();
fd.append('file', blob, `recording.${ext}`);
try {
const resp = await fetch('/api/voice/asr', { method: 'POST', body: fd });
const data = await resp.json();
if (data.status === 'success' && data.text) {
// Voice-message UX: drop the recording into the conversation
// as a playable bubble with the caption underneath, then
// dispatch the recognised text through the regular send path.
sendVoiceMessage(data.text, data.audio_url);
} else {
flashError(data.message || t('mic_error'));
}
} catch (e) {
flashError(t('mic_error') + ': ' + e.message);
} finally {
setIdle();
}
};
const start = async () => {
try {
stream = await navigator.mediaDevices.getUserMedia({ audio: true });
} catch (e) {
flashError(t('mic_permission_denied'));
return;
}
chunks = [];
const mimeType = pickMimeType();
try {
mediaRecorder = mimeType
? new MediaRecorder(stream, { mimeType })
: new MediaRecorder(stream);
} catch (e) {
stopStream();
flashError(t('mic_error') + ': ' + e.message);
return;
}
mediaRecorder.ondataavailable = (ev) => {
if (ev.data && ev.data.size > 0) chunks.push(ev.data);
};
mediaRecorder.onstop = () => {
stopStream();
const blob = new Blob(chunks, { type: mediaRecorder.mimeType || 'audio/webm' });
// Map mime -> extension so the server picks the right file suffix.
const mt = (mediaRecorder.mimeType || 'audio/webm').split(';')[0];
const extMap = {
'audio/webm': 'webm', 'audio/ogg': 'ogg',
'audio/mp4': 'm4a', 'audio/mpeg': 'mp3',
};
const ext = extMap[mt] || 'webm';
// 256 bytes ~ container header only, no actual audio. Anything
// below that we treat as "tapped by mistake".
if (blob.size < 256) {
setIdle();
flashError(t('mic_too_short'));
return;
}
upload(blob, ext);
};
// timeslice=250ms: force the recorder to flush a chunk every 250ms.
// Without it some browsers wait for stop() before producing any data,
// which loses the audio on very short taps.
mediaRecorder.start(250);
recordStartedAt = Date.now();
setRecording();
};
let recordStartedAt = 0;
const stopWithMinDuration = () => {
const elapsed = Date.now() - recordStartedAt;
const minMs = 350;
if (elapsed < minMs) {
// Give the recorder a moment to capture at least one chunk
// before we tell it to stop.
setTimeout(() => stop(), minMs - elapsed);
} else {
stop();
}
};
const stop = () => {
if (mediaRecorder && mediaRecorder.state !== 'inactive') {
mediaRecorder.stop();
}
};
micBtn.addEventListener('click', () => {
if (recording) {
stopWithMinDuration();
} else {
start();
}
});
setIdle();
})();
// Smart auto-scroll: pause when user scrolls up, resume when near bottom
let _autoScrollEnabled = true;
const _SCROLL_THRESHOLD = 80; // px from bottom to re-enable auto-scroll
@@ -1250,6 +1449,87 @@ document.querySelectorAll('.example-card').forEach(card => {
});
});
// Voice-message variant of sendMessage(): renders a playable audio bubble
// with the ASR caption, then dispatches the recognised text to /message
// through the same SSE/loading flow as a typed message.
function sendVoiceMessage(text, audioUrl) {
text = (text || '').trim();
if (!text) return;
inputHistory.push(text);
historyIdx = -1;
historySavedDraft = '';
const ws = document.getElementById('welcome-screen');
const isFirstMessage = !!ws;
if (ws) ws.remove();
const titleInfo = isFirstMessage ? { sid: sessionId, userMsg: text } : null;
const timestamp = new Date();
addUserVoiceMessage(audioUrl, text, timestamp);
const loadingEl = addLoadingIndicator();
const body = {
session_id: sessionId,
message: text,
stream: true,
timestamp: timestamp.toISOString(),
};
const MAX_RETRIES = 2;
const RETRY_DELAY_MS = 1000;
function postWithRetry(attempt) {
fetch('/message', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(body)
})
.then(r => r.json())
.then(data => {
if (data.status === 'success') {
if (data.stream) {
startSSE(data.request_id, loadingEl, timestamp, titleInfo);
} else {
loadingContainers[data.request_id] = loadingEl;
}
} else {
loadingEl.remove();
addBotMessage(t('error_send'), new Date());
}
})
.catch(err => {
if (attempt < MAX_RETRIES) {
setTimeout(() => postWithRetry(attempt + 1), RETRY_DELAY_MS * (attempt + 1));
return;
}
loadingEl.remove();
addBotMessage(t('error_send'), new Date());
});
}
postWithRetry(0);
}
function addUserVoiceMessage(audioUrl, caption, timestamp) {
const el = document.createElement('div');
el.className = 'flex justify-end px-4 sm:px-6 py-3';
// Voice-message bubble: playable <audio> on top, ASR caption beneath.
// The bubble keeps the same primary tint as a normal user message so
// it visually slots into the conversation flow.
el.innerHTML = `
<div class="max-w-[75%] sm:max-w-[60%]">
<div class="bg-slate-100 dark:bg-white/10 text-slate-700 dark:text-slate-200 rounded-2xl px-3 py-2 msg-content user-bubble">
<audio controls preload="metadata" src="${audioUrl}"
class="block w-[260px] max-w-full h-9"></audio>
${caption ? `<div class="text-xs mt-1.5 leading-snug text-slate-500 dark:text-slate-400 whitespace-pre-wrap break-words">${escapeHtml(caption)}</div>` : ''}
</div>
<div class="text-xs text-slate-400 dark:text-slate-500 mt-1.5 text-right">${formatTime(timestamp)}</div>
</div>
`;
messagesDiv.appendChild(el);
_autoScrollEnabled = true;
scrollChatToBottom(true);
}
function sendMessage() {
const text = chatInput.value.trim();
if (!text && pendingAttachments.length === 0) return;
@@ -2573,7 +2853,12 @@ let cfgProviderValue = '';
let cfgModelValue = '';
// --- Custom dropdown helper ---
function initDropdown(el, options, selectedValue, onChange) {
function initDropdown(el, options, selectedValue, onChange, opts) {
// opts.placeholder: when set AND selectedValue is empty, render that text
// in a dim style instead of auto-selecting options[0]. Useful for
// "pick or empty" capabilities (asr / embedding) where we want the
// user to make an explicit choice.
opts = opts || {};
const textEl = el.querySelector('.cfg-dropdown-text');
const menuEl = el.querySelector('.cfg-dropdown-menu');
const selEl = el.querySelector('.cfg-dropdown-selected');
@@ -2615,8 +2900,20 @@ function initDropdown(el, options, selectedValue, onChange) {
menuEl.appendChild(item);
});
const sel = options.find(o => o.value === el._ddValue);
textEl.textContent = sel ? sel.label : (options[0] ? options[0].label : '--');
if (!sel && options[0]) el._ddValue = options[0].value;
if (sel) {
textEl.textContent = sel.label;
textEl.classList.remove('text-slate-400', 'dark:text-slate-500');
} else if (opts.placeholder && !el._ddValue) {
// No selection yet — show the placeholder in muted style.
// Do NOT write a fallback value, so the dropdown stays
// "unsaved" until the user explicitly picks.
textEl.textContent = opts.placeholder;
textEl.classList.add('text-slate-400', 'dark:text-slate-500');
} else {
textEl.textContent = options[0] ? options[0].label : '--';
textEl.classList.remove('text-slate-400', 'dark:text-slate-500');
if (options[0]) el._ddValue = options[0].value;
}
}
render();
@@ -3566,21 +3863,27 @@ function renderCapabilityBody(def, cap, body) {
// For auto-capable capabilities, an "auto" strategy means the user has
// not pinned a vendor; we honor that by selecting the empty-string
// sentinel rather than the resolved fallback provider name.
// `suggested_provider` is a UI-only preselect for embedding when nothing
// is pinned yet — purely cosmetic, not persisted until the user saves.
// `suggested_provider` is a UI-only preselect (used by embedding & ASR)
// when the user has not pinned a vendor yet — purely cosmetic, not
// persisted until the user clicks Save.
// For "pick or empty" capabilities (no current, no suggestion), we leave
// the dropdown unselected and show a muted placeholder so the user is
// nudged to pick explicitly.
const noSelectionAndNoHint = !cap.current_provider && !cap.suggested_provider;
const initialProviderValue = pendingProvider
? pendingProvider
: ((cap.strategy === 'auto' && capabilitySupportsAuto(def.id))
? ''
: (cap.current_provider
|| cap.suggested_provider
|| (ddOpts[0] && ddOpts[0].value)
|| (noSelectionAndNoHint ? '' : (ddOpts[0] && ddOpts[0].value))
|| ''));
initDropdown(
provDd,
ddOpts,
initialProviderValue,
(value) => onCapabilityProviderChange(def, value, body)
(value) => onCapabilityProviderChange(def, value, body),
noSelectionAndNoHint ? { placeholder: t('models_pick_provider') } : null
);
decorateCapabilityProviderDropdown(def, provDd, providerOpts);