Add background job queue system for generation
- Implements sequential job queue with background worker thread (_enqueue_job, _queue_worker) - All generate routes now return job_id instead of prompt_id; frontend polls /api/queue/<id>/status - Queue management UI in navbar with live badge, job list, pause/resume/remove controls - Fix: replaced url_for() calls inside finalize callbacks with direct string paths (url_for raises RuntimeError without request context in background threads) - Batch cover generation now uses two-phase pattern: queue all jobs upfront, then poll concurrently via Promise.all so page navigation doesn't interrupt the process - Strengths gallery sweep migrated to same two-phase pattern; sgStop() cancels queued jobs server-side - LoRA weight randomisation via lora_weight_min/lora_weight_max already present in _resolve_lora_weight Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Aodhan Collins
@@ -261,52 +261,20 @@
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const previewCard = document.getElementById('preview-card');
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const previewImg = document.getElementById('preview-img');
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const clientId = 'checkpoint_detail_' + Math.random().toString(36).substring(2, 15);
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const socket = new WebSocket('{{ COMFYUI_WS_URL }}?clientId=' + clientId);
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let currentJobId = null;
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const nodeNames = {
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"3": "Sampling", "11": "Face Detailing", "13": "Hand Detailing",
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"4": "Loading Models", "16": "Character LoRA", "17": "Outfit LoRA",
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"18": "Action LoRA", "19": "Style/Detailer LoRA", "8": "Decoding Image", "9": "Saving Image"
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};
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let currentPromptId = null;
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let resolveCompletion = null;
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socket.addEventListener('message', (event) => {
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const msg = JSON.parse(event.data);
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if (msg.type === 'status') {
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if (!currentPromptId) {
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const q = msg.data.status.exec_info.queue_remaining;
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if (q > 0) progressLabel.textContent = `Queue position: ${q}`;
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}
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} else if (msg.type === 'progress') {
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if (msg.data.prompt_id !== currentPromptId) return;
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const percent = Math.round((msg.data.value / msg.data.max) * 100);
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progressBar.style.width = `${percent}%`;
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progressBar.textContent = `${percent}%`;
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} else if (msg.type === 'executing') {
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if (msg.data.prompt_id !== currentPromptId) return;
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const nodeId = msg.data.node;
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if (nodeId === null) {
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if (resolveCompletion) resolveCompletion();
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} else {
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progressLabel.textContent = nodeNames[nodeId] || 'Processing...';
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}
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}
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});
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async function waitForCompletion(promptId) {
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return new Promise((resolve) => {
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const checkResolve = () => { clearInterval(pollInterval); resolve(); };
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resolveCompletion = checkResolve;
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const pollInterval = setInterval(async () => {
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async function waitForJob(jobId) {
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return new Promise((resolve, reject) => {
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const poll = setInterval(async () => {
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try {
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const resp = await fetch(`/check_status/${promptId}`);
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const resp = await fetch(`/api/queue/${jobId}/status`);
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const data = await resp.json();
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if (data.status === 'finished') checkResolve();
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if (data.status === 'done') { clearInterval(poll); resolve(data); }
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else if (data.status === 'failed' || data.status === 'removed') { clearInterval(poll); reject(new Error(data.error || 'Job failed')); }
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else if (data.status === 'processing') progressLabel.textContent = 'Generating…';
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else progressLabel.textContent = 'Queued…';
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} catch (err) {}
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}, 2000);
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}, 1500);
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});
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}
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@@ -314,76 +282,36 @@
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const submitter = e.submitter;
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if (!submitter || submitter.value !== 'preview') return;
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e.preventDefault();
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const formData = new FormData(form);
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formData.append('action', 'preview');
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formData.append('client_id', clientId);
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progressContainer.classList.remove('d-none');
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progressBar.style.width = '0%';
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progressBar.textContent = '0%';
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progressLabel.textContent = 'Starting...';
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progressBar.style.width = '100%'; progressBar.textContent = '';
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progressBar.classList.add('progress-bar-striped', 'progress-bar-animated');
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progressLabel.textContent = 'Queuing…';
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try {
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const response = await fetch(form.getAttribute('action'), {
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method: 'POST',
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body: formData,
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headers: { 'X-Requested-With': 'XMLHttpRequest' }
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method: 'POST', body: formData, headers: { 'X-Requested-With': 'XMLHttpRequest' }
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});
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const data = await response.json();
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if (data.error) {
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alert('Error: ' + data.error);
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progressContainer.classList.add('d-none');
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return;
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}
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currentPromptId = data.prompt_id;
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progressLabel.textContent = 'Queued...';
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progressBar.style.width = '100%';
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progressBar.textContent = 'Queued';
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progressBar.classList.add('progress-bar-striped', 'progress-bar-animated');
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await waitForCompletion(currentPromptId);
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await finalizeGeneration(currentPromptId);
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currentPromptId = null;
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} catch (err) {
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console.error(err);
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alert('Request failed');
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progressContainer.classList.add('d-none');
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}
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});
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async function finalizeGeneration(promptId) {
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progressLabel.textContent = 'Saving image...';
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const url = `/checkpoint/{{ ckpt.slug }}/finalize_generation/${promptId}`;
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const formData = new FormData();
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formData.append('action', 'preview');
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try {
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const response = await fetch(url, { method: 'POST', body: formData });
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const data = await response.json();
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if (data.success) {
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previewImg.src = data.image_url;
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if (data.error) { alert('Error: ' + data.error); progressContainer.classList.add('d-none'); return; }
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currentJobId = data.job_id;
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const jobResult = await waitForJob(currentJobId);
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currentJobId = null;
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if (jobResult.result && jobResult.result.image_url) {
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previewImg.src = jobResult.result.image_url;
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if (previewCard) previewCard.classList.remove('d-none');
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const replaceBtn = document.getElementById('replace-cover-btn');
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if (replaceBtn) replaceBtn.disabled = false;
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} else {
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alert('Save failed: ' + data.error);
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}
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} catch (err) {
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console.error(err);
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alert('Finalize request failed');
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} finally {
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progressContainer.classList.add('d-none');
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}
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}
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} catch (err) { console.error(err); alert('Generation failed: ' + err.message); }
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finally { progressContainer.classList.add('d-none'); progressBar.classList.remove('progress-bar-striped', 'progress-bar-animated'); }
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});
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// Batch: Generate All Characters
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const allCharacters = [
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{% for char in characters %}{ slug: "{{ char.slug }}", name: {{ char.name | tojson }} },
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{% endfor %}
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];
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const finalizeBaseUrl = '/checkpoint/{{ ckpt.slug }}/finalize_generation';
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let stopBatch = false;
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const generateAllBtn = document.getElementById('generate-all-btn');
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@@ -419,53 +347,36 @@
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stopAllBtn.classList.remove('d-none');
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batchProgress.classList.remove('d-none');
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bootstrap.Tab.getOrCreateInstance(document.getElementById('previews-tab')).show();
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for (let i = 0; i < allCharacters.length; i++) {
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if (stopBatch) break;
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const char = allCharacters[i];
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batchBar.style.width = `${Math.round((i / allCharacters.length) * 100)}%`;
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batchLabel.textContent = `Generating ${char.name} (${i + 1} / ${allCharacters.length})`;
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const genForm = document.getElementById('generate-form');
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const fd = new FormData();
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fd.append('character_slug', char.slug);
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fd.append('action', 'preview');
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fd.append('client_id', clientId);
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try {
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progressContainer.classList.remove('d-none');
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progressBar.style.width = '0%';
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progressBar.textContent = '0%';
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progressLabel.textContent = `${char.name}: Starting...`;
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progressBar.style.width = '100%'; progressBar.textContent = '';
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progressBar.classList.add('progress-bar-striped', 'progress-bar-animated');
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progressLabel.textContent = `${char.name}: Queuing…`;
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const resp = await fetch(genForm.getAttribute('action'), {
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method: 'POST', body: fd, headers: { 'X-Requested-With': 'XMLHttpRequest' }
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});
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const data = await resp.json();
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if (data.error) { console.error(`Error for ${char.name}:`, data.error); progressContainer.classList.add('d-none'); continue; }
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currentPromptId = data.prompt_id;
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await waitForCompletion(currentPromptId);
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progressLabel.textContent = 'Saving image...';
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const finalFD = new FormData();
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finalFD.append('action', 'preview');
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const finalResp = await fetch(`${finalizeBaseUrl}/${currentPromptId}`, { method: 'POST', body: finalFD });
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const finalData = await finalResp.json();
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if (finalData.success) {
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addToPreviewGallery(finalData.image_url, char.name);
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previewImg.src = finalData.image_url;
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currentJobId = data.job_id;
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const jobResult = await waitForJob(currentJobId);
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currentJobId = null;
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if (jobResult.result && jobResult.result.image_url) {
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addToPreviewGallery(jobResult.result.image_url, char.name);
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previewImg.src = jobResult.result.image_url;
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if (previewCard) previewCard.classList.remove('d-none');
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}
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currentPromptId = null;
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} catch (err) {
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console.error(`Failed for ${char.name}:`, err);
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currentPromptId = null;
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} finally {
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progressContainer.classList.add('d-none');
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}
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} catch (err) { console.error(`Failed for ${char.name}:`, err); currentJobId = null; }
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finally { progressContainer.classList.add('d-none'); progressBar.classList.remove('progress-bar-striped', 'progress-bar-animated'); }
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}
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batchBar.style.width = '100%';
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batchLabel.textContent = stopBatch ? 'Stopped.' : 'Complete!';
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generateAllBtn.disabled = false;
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