Files
gott/wwwroot/js/chat.js
T
Meleki c9b1523e86 feat: Auto-Retry bei prompt-too-long – History dynamisch kürzen
- Bei API 400 'prompt is too long' / 'exceed context limit':
  - 20% der ältesten Messages aus In-Memory-History entfernen
  - TrimMessagesCleanly() verhindert Trennung von tool_use/tool_result-Paaren
  - Retry mit kürzerer History (max 5 Retries im Worker)
- Alle 3 API-Call-Stellen abgesichert (StreamChat, RunAgentChat, ChatNonStreaming)
- Frontend: Neues 'info'-Event als Warning-Bubble angezeigt
- MaxHistory 220 bleibt als Obergrenze, dynamische Kürzung bei Token-Überschreitung
2026-03-10 11:56:09 +01:00

373 lines
11 KiB
JavaScript
Raw Blame History

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// ── Helpers ──
function buildMetaBadges(d) {
const badges = [];
if (d.planMode) badges.push('📋 Plan-Modus');
badges.push(prettyModelName(d.model));
badges.push('Tokens: ' + (d.inputTokens || 0) + ' / ' + (d.outputTokens || 0));
if (d.cacheCreationTokens > 0 || d.cacheReadTokens > 0) {
badges.push('Cache: ' + (d.cacheReadTokens || 0) + ' / ' + (d.cacheCreationTokens || 0));
}
if ((d.iterations || 0) > 1) badges.push('Iterationen: ' + d.iterations);
if (d.durationMs) badges.push((d.durationMs / 1000).toFixed(1) + 's');
if (d.stopReason && d.stopReason !== 'end_turn' && d.stopReason !== 'tool_use') badges.push('Stop: ' + d.stopReason);
return badges;
}
function addChainMetaBubble(d, streamed) {
if (!d || !d.model) return;
// Chain noch nicht finalisiert (läuft noch) → nicht anzeigen
if (!d.inputTokens && !d.outputTokens && !d.durationMs) return;
if (!isChainMetaVisible(d)) return;
const div = _createChainMetaDiv(d, streamed ? 'streamed' : null);
chatEl().appendChild(div);
scrollDown();
}
// ── Stream Event Handler (shared between sendMessage + handleChoiceClick) ──
function handleStreamEvent(eventType, data) {
switch (eventType) {
case 'text_start':
if (!_streamDiv) startStreamBubble();
break;
case 'text_delta':
appendToStream(data.text);
break;
case 'text_end':
pauseStreamBubble();
break;
case 'tool_start':
endStreamBubble();
if (isToolVisible(data.name)) {
_currentToolBox = addToolBoxLoading(data.name);
} else {
_currentToolBox = null;
}
break;
case 'tool_end':
if (_currentToolBox) {
finishToolBox(_currentToolBox, data);
}
_currentToolBox = null;
break;
case 'web_search_start':
pauseStreamBubble();
_currentToolBox = addToolBoxLoading('web_search');
break;
case 'web_search_end':
if (_currentToolBox) {
finishToolBox(_currentToolBox, { name: 'web_search', result: 'Suche abgeschlossen', isError: false, sources: data.sources });
}
_currentToolBox = null;
break;
case 'user_choice':
endStreamBubble();
addChoiceBubble(data.toolCallId, data.question, data.choices);
break;
// Preparer / Review / Finalizer events (shared pattern)
case 'preparer_start': case 'review_start': case 'finalizer_start':
endStreamBubble();
addReviewBubble('start', data, eventType.split('_')[0] === 'review' ? undefined : eventType.split('_')[0]);
break;
case 'preparer_text': case 'review_text': case 'finalizer_text':
appendToReviewText(data.text);
break;
case 'preparer_tool_use': case 'review_tool_use': case 'finalizer_tool_use':
addReviewToolUse(data);
break;
case 'preparer_tool_end': case 'review_tool_end': case 'finalizer_tool_end':
finishReviewToolBox(data);
break;
case 'preparer_done':
finalizeReviewBubble(data.forwarded ? 'forwarded' : 'query', data, 'preparer');
break;
case 'review_feedback':
finalizeReviewBubble('feedback', data);
break;
case 'review_approved':
finalizeReviewBubble('approved', data);
break;
case 'finalizer_done':
finalizeReviewBubble('done', data, 'finalizer');
break;
case 'info':
addWarningBubble(data.message, true);
break;
case 'error':
endStreamBubble();
addErrorBubble(data.error, true);
break;
case 'done':
endStreamBubble();
if (data.stopReason === 'max_tokens') {
addWarningBubble('Antwort wurde abgeschnitten (max_tokens erreicht). Bitte frage nach dem Rest.', true);
}
_lastDoneChainData = null;
if (data.model) {
_lastDoneChainData = data;
} else if (data.chainId) {
// Fallback: Chain-Daten vom Server nachladen und Badge direkt rendern
// (async – _lastDoneChainData wäre im finally schon gelesen)
apiGetChain(data.chainId).then(chain => {
if (chain) addChainMetaBubble(chain, false);
}).catch(() => {});
}
setMeta(data.stopReason === 'stopped' ? 'Gestoppt' : 'Bereit');
break;
}
}
// ── Plan Mode ──
let _planModeActive = false;
function togglePlanMode() {
_planModeActive = !_planModeActive;
var btn = $('#planModeBtn');
if (btn) {
btn.classList.toggle('plan-mode-active', _planModeActive);
btn.title = _planModeActive ? 'Plan-Modus deaktivieren' : 'Plan-Modus aktivieren';
}
var input = $('#input');
if (input) {
input.placeholder = _planModeActive ? 'Plannen...' : 'Nachricht...';
}
}
// ── Chat State ──
let isStreaming = false;
let _lastDoneChainData = null; // Chain-Daten vom letzten done-Event
let _currentToolBox = null; // Aktuell laufende Tool-Box (für Stream-Events)
let _chatAbandoned = false; // true wenn User weg-navigiert während Stream läuft
let _abortController = null; // AbortController für laufenden Stream
async function clearChat() {
const archive = await apiArchive(getCurrentSessionId());
if (!archive) return;
chatEl().innerHTML = '';
lastKnownMessageId = 0;
loadedArchiveCount = 0;
_oldestLoadedSortKey = 0;
_hasMoreOlderMessages = false;
clearReply();
setMeta(`Archiviert: ${archive.chainCount} Chains, ${archive.messageCount} Messages`);
showArchiveLoadButton();
}
let _stopClickCount = 0;
function stopStreaming() {
_stopClickCount++;
if (_stopClickCount >= 2) {
// Hard-Stop: Sofortiger Abbruch (Doppel-Klick)
var btn = $('#stop');
if (btn) {
btn.classList.add('stop-hard');
btn.title = 'Hard-Stop gesendet!';
}
// SSE-Stream clientseitig sofort abbrechen
if (_abortController) _abortController.abort();
}
// Backend explizit stoppen (graceful beim 1. Klick, hard beim 2.)
var sid = getCurrentSessionId();
if (sid) apiStopChat(sid).catch(function() {});
}
// ── SSE Stream Runner (shared between sendMessage + handleChoiceClick) ──
async function _runStream(fetchPromise) {
const sendBtn = $('#send');
const stopBtn = $('#stop');
const sid = getCurrentSessionId();
sendBtn.disabled = true;
sendBtn.hidden = true;
stopBtn.hidden = false;
isStreaming = true;
_abortController = new AbortController();
_currentToolBox = null;
_chatAbandoned = false;
_stopClickCount = 0;
setMetaHtml('<span><i class="fa fa-hourglass-half"></i> Streaming...</span>');
try {
const resp = await fetchPromise(_abortController.signal);
const reader = resp.body.getReader();
const decoder = new TextDecoder();
let buffer = '';
let eventType = null;
while (true) {
const { done, value } = await reader.read();
if (done || _chatAbandoned) break;
buffer += decoder.decode(value, { stream: true });
const lines = buffer.split('\n');
buffer = lines.pop() || '';
for (const line of lines) {
if (line.startsWith('event: ')) {
eventType = line.substring(7).trim();
} else if (line.startsWith('data: ') && eventType) {
let data;
try { data = JSON.parse(line.substring(6)); } catch { continue; }
handleStreamEvent(eventType, data);
eventType = null;
}
}
}
} catch (e) {
if (_chatAbandoned) return;
endStreamBubble();
if (e.name === 'AbortError') {
setMeta('Gestoppt');
} else {
try {
const status = await apiIsStreaming(sid);
if (status.streaming) {
setMetaHtml('<span><i class="fa fa-hourglass-half"></i> Streaming... (Verbindung wiederhergestellt)</span>');
startStreamingPoll(sid, sendBtn, status.chainId);
return;
}
} catch (_) {}
addErrorBubble('Netzwerk-Fehler: ' + e.message);
}
} finally {
if (_chatAbandoned) return;
if (!isStreaming || !_streamingPollInterval) {
sendBtn.disabled = false;
sendBtn.hidden = false;
stopBtn.hidden = true;
stopBtn.classList.remove('stop-hard');
stopBtn.title = 'Antwort abbrechen';
isStreaming = false;
_abortController = null;
// Meta zurücksetzen falls kein done-Event kam (z.B. nach Stop)
var metaEl = $('#meta');
if (metaEl && metaEl.textContent.includes('Streaming')) {
setMeta(_stopClickCount > 0 ? 'Gestoppt' : 'Bereit');
}
}
endStreamBubble();
removeStreamedElements();
await pollHistory();
if (_lastDoneChainData) {
addChainMetaBubble(_lastDoneChainData, false);
_lastDoneChainData = null;
}
}
}
// ── Send Message ──
async function sendMessage() {
const input = $('#input');
const text = input.value.trim();
if (!text && pendingFiles.length === 0 && pendingRefs.length === 0) return;
// Content bauen: string oder array mit file-blocks
let content;
let bubbleText = text;
// Reply-Zitat einbauen
let msgText = text;
if (pendingReply) {
const roleLabel = pendingReply.role === 'user' ? 'User' : 'Assistant';
const timeLabel = formatTimestamp(pendingReply.timestamp) || 'Jetzt';
const quoteText = pendingReply.text.split('\n').map(l => '> ' + l).join('\n');
const quoteHeader = `> [Zitat: ${timeLabel}, ${roleLabel}]:`;
msgText = quoteHeader + '\n' + quoteText + '\n\n' + (text || '');
clearReply();
}
// Refs in den Text einbauen
if (pendingRefs.length > 0) {
const refLines = pendingRefs.map(r => {
if (r.from && r.to && r.from !== r.to) return `[Datei: ${r.path}:${r.from}-${r.to}]`;
if (r.from) return `[Datei: ${r.path}:${r.from}]`;
return `[Datei: ${r.path}]`;
});
msgText = refLines.join(' ') + '\n' + msgText;
if (pendingRefs.some(r => r.from)) {
if (pendingRefs.length > 1)
msgText += `\n<hint>Lies referenzierte Dateien mit \`cat -n\`.</hint>`;
else
msgText += `\n<hint>Lies die referenzierte Datei mit \`cat -n\`.</hint>`;
}
clearPendingRefs();
}
let inlineImages = []; // Bilder für Inline-Anzeige
if (pendingFiles.length > 0) {
content = [];
const labels = [];
for (const f of pendingFiles) {
const blockType = f.type.startsWith('image/') ? 'image' : 'document';
content.push({
type: blockType,
source: { type: 'base64', media_type: f.type, data: f.base64 },
_file_name: f.name
});
if (blockType === 'image') {
inlineImages.push({ name: f.name, dataUrl: 'data:' + f.type + ';base64,' + f.base64 });
}
labels.push('[' + (blockType === 'image' ? 'Bild' : 'Datei') + ': ' + f.name + ']');
}
if (msgText) content.push({ type: 'text', text: msgText });
bubbleText = labels.join('\n') + (msgText ? '\n' + msgText : '');
clearPendingFiles();
} else {
content = msgText;
bubbleText = msgText;
}
addUserBubble(bubbleText, true, '', null, false, null, inlineImages);
input.value = '';
input.dispatchEvent(new Event('input'));
await _runStream((signal) => apiChat(content, getCurrentSessionId(), signal, _planModeActive));
}
// ── Choice Click Handler ──
async function handleChoiceClick(toolCallId, choice, bubbleDiv) {
// Buttons deaktivieren und gewählte Option markieren
const buttons = bubbleDiv.querySelectorAll('.choice-btn');
buttons.forEach(btn => {
btn.disabled = true;
if (btn.textContent === choice) {
btn.classList.add('choice-selected');
} else {
btn.classList.add('choice-unselected');
}
});
bubbleDiv.classList.add('choice-answered');
await _runStream((signal) => apiChatChoice(getCurrentSessionId(), toolCallId, choice, signal, _planModeActive));
}