(() => {
  'use strict';

const MODEL_WORKFLOW_ENDPOINT =
  window.MODEL_WORKFLOW_ENDPOINT ||
  'https://ayambabu23--workflow-execute-workflow.modal.run/';

const MODEL_API_ENDPOINT =
  window.MODEL_API_ENDPOINT ||
  'https://vici-bio--api-execute-workflow.modal.run/';

const MODEL_STATUS_ENDPOINT =
  window.MODEL_STATUS_ENDPOINT ||
  'https://vici-bio--api-check-status.modal.run/';

  const adapter = window.ModelPageAdapter || {};

  const root = document.getElementById('model-ui');
  if (!root) return;

  const tabs = Array.from(root.querySelectorAll('.model-tab[data-tab]'));
  const resetBtn = root.querySelector('.model-reset-btn');
  const actionsWrap = root.querySelector('.model-actions');
  const presetBtns = Array.from(root.querySelectorAll('.model-preset-btn[data-example]'));

  const apiCodeEl = document.getElementById('api-code-block');
  const apiLangTabs = Array.from(root.querySelectorAll('.api-lang-tab[data-lang]'));
  const apiActionBtns = Array.from(root.querySelectorAll('.api-action-btn'));

  const executeBtnMembers = root.querySelector('.model-actions [data-ms-content="members"]');
  const executeBtnGuest = root.querySelector('.model-actions [data-ms-content="!members"]');

  const modelSlug = String(root.dataset.model || 'example-model').trim() || 'example-model';
  const modelKey = modelSlug
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, '_')
    .replace(/^_+|_+$/g, '') || 'model';

  const API_LANGS = ['python', 'curl', 'javascript'];
  let currentTab = inferInitialTab();
  let currentApiLang = 'python';
  let currentApiSnippet = { text: '', html: '' };

  let baselineState = null;
  let defaultApiJob = null;
  let isRenderingApiSnippet = false;
  
    const API_DEF_CONTENT = window.VICI_API_DEF_CONTENT || {
    'token-id': {
      title: 'Token-ID',
      html: `
        Your Vici Token ID. Send it as the <code>Token-ID</code> header.
        <span class="api-key-inline">
          Generate it in your
          <a class="api-account-link" href="/account#api" title="Open Account">
            Account
            <svg class="ext-arrow" viewBox="0 0 24 24" width="22" height="22" aria-hidden="true">
              <path fill="currentColor" d="M14 3h7v7h-2V6.41l-9.29 9.3-1.42-1.42 9.3-9.29H14V3z"></path>
              <path fill="currentColor" d="M5 5h6v2H7v10h10v-4h2v6H5V5z"></path>
            </svg>
          </a>.
        </span>
      `
    },

    'token-secret': {
      title: 'Token-Secret',
      html: `
        Your Vici Token Secret. Send it as the <code>Token-Secret</code> header.
        You only see this once when you generate it.
        <span class="api-key-inline">
          Generate it in your
          <a class="api-account-link" href="/account#api" title="Open Account">
            Account
            <svg class="ext-arrow" viewBox="0 0 24 24" width="22" height="22" aria-hidden="true">
              <path fill="currentColor" d="M14 3h7v7h-2V6.41l-9.29 9.3-1.42-1.42 9.3-9.29H14V3z"></path>
              <path fill="currentColor" d="M5 5h6v2H7v10h10v-4h2v6H5V5z"></path>
            </svg>
          </a>.
        </span>
      `
    },

		'workflow-name': {
  		title: `workflow_name / ${modelKey}.name`,
  		html: `A friendly run name shown in your Dashboard. The outer <code>workflow_name</code> and inner <code>${escapeHtml(modelKey)}.name</code> should match.`
		}
  };

  let apiDefPopoutEl = null;
  let apiDefAnchorEl = null;
  let apiDefHideTimer = null;
  let apiDynamicDefContent = {};

function tabFromHash(hash = window.location.hash) {
  const h = String(hash || '').trim().toLowerCase();
  if (h === '#basic') return 'basic';
  if (h === '#advanced') return 'advanced';
  if (h === '#api') return 'api';
  return null;
}

function syncHashToTab(tab, { replace = true } = {}) {
  const nextHash = `#${tab}`;
  if (String(window.location.hash || '').toLowerCase() === nextHash) return;

  try {
    const url = new URL(window.location.href);
    url.hash = nextHash;

    if (replace && window.history?.replaceState) {
      window.history.replaceState(null, '', url.toString());
    } else if (!replace && window.history?.pushState) {
      window.history.pushState(null, '', url.toString());
    } else {
      window.location.hash = nextHash;
    }
  } catch {
    window.location.hash = nextHash;
  }
}

function bindHashRouting() {
  window.addEventListener('hashchange', () => {
    const next = tabFromHash();
    if (!next || next === currentTab) return;
    setTab(next, { silent: true, syncHash: false });
  });
}

function inferInitialTab() {
  const fromHash = tabFromHash();
  if (fromHash) return fromHash;

  if (root.classList.contains('is-tab-api')) return 'api';
  if (root.classList.contains('is-tab-advanced')) return 'advanced';
  return 'basic';
}

  function escapeHtml(str) {
    return String(str ?? '')
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;');
  }

  function deepClone(v) {
    return JSON.parse(JSON.stringify(v));
  }

  function isPlainObject(v) {
    return Object.prototype.toString.call(v) === '[object Object]';
  }

function stripExecutionContextForApi(value) {
  const blocked = new Set(['member_id', 'msid', 'user_id', 'team_id']);

  if (Array.isArray(value)) {
    return value.map(stripExecutionContextForApi);
  }

  if (!isPlainObject(value)) {
    return value;
  }

  const out = {};
  Object.entries(value).forEach(([k, v]) => {
    if (blocked.has(k)) return;
    out[k] = stripExecutionContextForApi(v);
  });
  return out;
}

  function stableSerialize(value) {
    const sortRec = (v) => {
      if (Array.isArray(v)) return v.map(sortRec);
      if (!isPlainObject(v)) return v;
      const out = {};
      Object.keys(v).sort().forEach((k) => { out[k] = sortRec(v[k]); });
      return out;
    };
    return JSON.stringify(sortRec(value));
  }

  function canonicalizeRunName(raw) {
    let s = String(raw || '').trim();
    if (!s) return '';
    s = s.replace(/\s+/g, '_');
    try { s = s.normalize('NFKD'); } catch {}
    s = s.replace(/[^\w-]+/g, '');
    s = s.replace(/_+/g, '_').toLowerCase();
    s = s.replace(/^[^a-z0-9]+/, '');
    s = s.replace(/[^a-z0-9]+$/, '');
    return s.slice(0, 64);
  }

  const SAFE_NAME_RE = /^[a-z0-9](?:[a-z0-9_-]{1,62}[a-z0-9])?$/;

  function pulseBtn(btn, cls) {
    if (!btn) return;
    btn.classList.remove(cls);
    void btn.offsetWidth;
    btn.classList.add(cls);
    const onEnd = () => {
      btn.classList.remove(cls);
      btn.removeEventListener('animationend', onEnd);
    };
    btn.addEventListener('animationend', onEnd);
  }

  function copyTextRobust(text) {
    if (navigator.clipboard && window.isSecureContext) {
      return navigator.clipboard.writeText(text);
    }
    return new Promise((resolve, reject) => {
      try {
        const ta = document.createElement('textarea');
        ta.value = text;
        ta.setAttribute('readonly', '');
        ta.style.position = 'fixed';
        ta.style.left = '-9999px';
        ta.style.top = '-9999px';
        document.body.appendChild(ta);
        ta.select();
        ta.setSelectionRange(0, ta.value.length);
        const ok = document.execCommand('copy');
        ta.remove();
        ok ? resolve() : reject(new Error('copy failed'));
      } catch (err) {
        reject(err);
      }
    });
  }

  function getFieldKey(el, idx) {
    return (
      el.getAttribute('data-field-key') ||
      el.id ||
      el.name ||
      `${el.tagName.toLowerCase()}_${idx}`
    );
  }

  function readFieldValue(el) {
    const tag = el.tagName.toLowerCase();
    const type = (el.type || '').toLowerCase();

    if (type === 'checkbox') return !!el.checked;
    if (type === 'radio') return el.checked ? el.value : undefined;
    if (type === 'file') {
      const files = Array.from(el.files || []);
      return files.map(f => ({ name: f.name, size: f.size, type: f.type }));
    }

    if (tag === 'select' && el.multiple) {
      return Array.from(el.selectedOptions).map(o => o.value);
    }

    return el.value;
  }

  function writeFieldValue(el, value) {
    const tag = el.tagName.toLowerCase();
    const type = (el.type || '').toLowerCase();

    if (type === 'checkbox') {
      el.checked = !!value;
    } else if (type === 'radio') {
      el.checked = String(el.value) === String(value);
    } else if (type === 'file') {

    } else if (tag === 'select' && el.multiple && Array.isArray(value)) {
      Array.from(el.options).forEach(opt => { opt.selected = value.includes(opt.value); });
    } else {
      el.value = value ?? '';
    }

    el.dispatchEvent(new Event('input', { bubbles: true }));
    el.dispatchEvent(new Event('change', { bubbles: true }));
  }

function dzEl(ref, scope = document) {
  if (!ref) return null;
  if (typeof ref === 'string') return scope.querySelector(ref);
  return ref;
}

function dzDispatchValueEvents(el) {
  if (!el) return;
  el.dispatchEvent(new Event('input', { bubbles: true }));
  el.dispatchEvent(new Event('change', { bubbles: true }));
}

function dzFormatBytes(bytes) {
  const n = Number(bytes);
  if (!Number.isFinite(n) || n <= 0) return '';
  if (n < 1024) return `${n} B`;
  if (n < 1024 * 1024) return `${(n / 1024).toFixed(1).replace(/\.0$/, '')} KB`;
  return `${(n / (1024 * 1024)).toFixed(2).replace(/\.00$/, '')} MB`;
}

function dzReadFileAsText(file) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = (e) => resolve(String(e.target?.result || ''));
    reader.onerror = () => reject(new Error('Failed to read file.'));
    reader.readAsText(file);
  });
}

function readFileAsArrayBuffer(file) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = (e) => resolve(e.target?.result);
    reader.onerror = () => reject(new Error('Failed to read file.'));
    reader.readAsArrayBuffer(file);
  });
}

function readFileAsBase64(file) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = (e) => {
      const result = String(e.target?.result || '');
      const base64 = result.includes(',') ? result.split(',').pop() : result;
      resolve(base64 || '');
    };
    reader.onerror = () => reject(new Error('Failed to read file.'));
    reader.readAsDataURL(file);
  });
}

function detectHumatchColumnsFromHeaders(headers = []) {
  const cleanHeaders = (Array.isArray(headers) ? headers : [])
    .map((v) => String(v || '').trim())
    .filter(Boolean);

  if (!cleanHeaders.length) return null;

  const scored = cleanHeaders.map((header, index) => ({
    header,
    index,
    heavyScore: scoreHumatchHeader(header, 'heavy'),
    lightScore: scoreHumatchHeader(header, 'light')
  }));

  const heavyPick = [...scored]
    .sort((a, b) => (b.heavyScore - a.heavyScore) || (a.index - b.index))
    .find((row) => row.heavyScore > 0);

  const lightPick = [...scored]
    .filter((row) => row.header !== heavyPick?.header)
    .sort((a, b) => (b.lightScore - a.lightScore) || (a.index - b.index))
    .find((row) => row.lightScore > 0);

  if (!heavyPick && !lightPick) return null;

  return {
    heavy: heavyPick?.header || '',
    light: lightPick?.header || '',
    headers: cleanHeaders
  };
}

function dzDefaultMetaHtml({
  label = 'Loaded content',
  sizeBytes,
  content = '',
  includeLines = true,
  includeChars = true,
  extraBits = []
} = {}) {
  const bits = [String(label || 'Loaded content')];

  const sizeLabel = dzFormatBytes(sizeBytes);
  if (sizeLabel) bits.push(sizeLabel);

  if (includeLines) {
    const lines = String(content || '').split(/\r?\n/).length;
    bits.push(`${lines} lines`);
  }

  if (includeChars) {
    const chars = String(content || '').length;
    bits.push(`${chars.toLocaleString()} chars`);
  }

  (Array.isArray(extraBits) ? extraBits : []).forEach((v) => {
    if (v != null && String(v).trim()) bits.push(String(v));
  });

  return bits
    .map((v, i) => {
      const isSize = /(?:\d+\s?(?:KB|MB|B))$/.test(v);
      if (i === 0) return escapeHtml(v);
      return `<span class="meta-sep">•</span> <span${isSize ? ' class="meta-file-size"' : ''}>${escapeHtml(v)}</span>`;
    })
    .join(' ');
}

function createDropZoneController(config = {}) {
  const scope = config.scope || document;

  const refs = {
    drop: dzEl(config.dropZone, scope),
    input: dzEl(config.fileInput, scope),
    meta: dzEl(config.metaEl, scope),
    removeBtn: dzEl(config.removeBtn, scope),

    contentField: dzEl(config.contentField, scope),
    filenameField: dzEl(config.filenameField, scope),
    sourceField: dzEl(config.sourceField, scope)
  };

  const opts = {
    emptyMetaText: config.emptyMetaText || 'Drop file here or click to upload',
    uploadSourceValue: config.uploadSourceValue || 'upload',
    clearInputOnSet: config.clearInputOnSet !== false,
    readFile: typeof config.readFile === 'function' ? config.readFile : dzReadFileAsText,
    acceptDrop: typeof config.acceptDrop === 'function'
      ? config.acceptDrop
      : ((e) => Array.from(e.dataTransfer?.types || []).includes('Files')),
    pickFile: typeof config.pickFile === 'function'
      ? config.pickFile
      : ((files) => (files && files[0]) || null)
  };

  if (!refs.drop || !refs.input) {
    return null;
  }

  let bound = false;

  function getState() {
    const content = String(refs.contentField?.value || '');
    const filename = String(refs.filenameField?.value || '').trim();
    const source = String(refs.sourceField?.value || '').trim();
    const sizeBytes = Number(refs.drop?.dataset?.fileSizeBytes || NaN);

    return {
      content,
      filename,
      source,
      sizeBytes,
      hasContent: content.trim().length > 0
    };
  }

  function renderMeta() {
    if (!refs.drop || !refs.meta) return;

    const state = getState();
    refs.drop.classList.toggle('is-filled', state.hasContent);

    if (!state.hasContent) {
      if (typeof config.renderEmptyMeta === 'function') {
        const emptyOut = config.renderEmptyMeta({ refs, state, controller });
        if (typeof emptyOut === 'string') {
          refs.meta.innerHTML = emptyOut;
          return;
        }
      }

      refs.meta.textContent = opts.emptyMetaText;
      return;
    }

    if (typeof config.renderFilledMeta === 'function') {
      const out = config.renderFilledMeta({ refs, state, controller, formatBytes: dzFormatBytes });
      if (typeof out === 'string') {
        refs.meta.innerHTML = out;
        return;
      }
      if (out && typeof out === 'object') {
        refs.meta.innerHTML = dzDefaultMetaHtml({
          label: out.label,
          sizeBytes: out.sizeBytes ?? state.sizeBytes,
          content: out.content ?? state.content,
          includeLines: out.includeLines !== false,
          includeChars: out.includeChars !== false,
          extraBits: out.extraBits || []
        });
        return;
      }
    }

    const fallbackLabel = state.filename || (state.source ? `Loaded (${state.source})` : 'Loaded content');
    refs.meta.innerHTML = dzDefaultMetaHtml({
      label: fallbackLabel,
      sizeBytes: state.sizeBytes,
      content: state.content
    });
  }

  function setValue(text, meta = {}) {
    const nextText = String(text || '');

    if (refs.contentField) refs.contentField.value = nextText;
    if (refs.filenameField && Object.prototype.hasOwnProperty.call(meta, 'name')) {
      refs.filenameField.value = String(meta.name || '');
    }
    if (refs.sourceField && Object.prototype.hasOwnProperty.call(meta, 'source')) {
      refs.sourceField.value = String(meta.source || '');
    }

    if (refs.drop) {
      if (Number.isFinite(Number(meta.sizeBytes))) {
        refs.drop.dataset.fileSizeBytes = String(Number(meta.sizeBytes));
      } else {
        delete refs.drop.dataset.fileSizeBytes;
      }
    }

    if (refs.input && opts.clearInputOnSet) {
      refs.input.value = '';
    }

    dzDispatchValueEvents(refs.contentField);
    dzDispatchValueEvents(refs.filenameField);
    dzDispatchValueEvents(refs.sourceField);

    renderMeta();

    if (typeof config.onSet === 'function') {
      try {
        config.onSet({ refs, controller, text: nextText, meta });
      } catch (err) {
        console.error(err);
      }
    }
  }

  function clearValue(extra = {}) {
    if (refs.contentField) refs.contentField.value = '';
    if (refs.filenameField) refs.filenameField.value = '';
    if (refs.sourceField) refs.sourceField.value = '';
    if (refs.input) refs.input.value = '';
    if (refs.drop) delete refs.drop.dataset.fileSizeBytes;

    dzDispatchValueEvents(refs.contentField);
    dzDispatchValueEvents(refs.filenameField);
    dzDispatchValueEvents(refs.sourceField);

    renderMeta();

    if (typeof config.onClear === 'function') {
      try {
        config.onClear({ refs, controller, extra });
      } catch (err) {
        console.error(err);
      }
    }
  }

  async function readAndSet(file) {
    if (!file) return;

    try {
      if (typeof config.beforeRead === 'function') {
        const shouldContinue = await config.beforeRead({ refs, controller, file });
        if (shouldContinue === false) return;
      }

      const raw = await opts.readFile(file);

      let mapped = {
        text: raw,
        meta: {
          name: file.name || '',
          source: opts.uploadSourceValue,
          sizeBytes: file.size
        }
      };

      if (typeof config.mapFileToValue === 'function') {
        const custom = await config.mapFileToValue({ refs, controller, file, raw });
        if (custom && typeof custom === 'object') {
          mapped = {
            text: Object.prototype.hasOwnProperty.call(custom, 'text') ? custom.text : raw,
            meta: {
              name: file.name || '',
              source: opts.uploadSourceValue,
              sizeBytes: file.size,
              ...(custom.meta || {})
            }
          };
        }
      }

      setValue(mapped.text, mapped.meta);
    } catch (err) {
      console.error(err);
      if (typeof config.onError === 'function') {
        config.onError(err, { refs, controller, file });
      } else {
        showToast?.('error', err?.message || 'Failed to read file.');
      }
    }
  }

  function bind() {
    if (bound) return controller;
    bound = true;

    refs.drop.addEventListener('click', () => {
      refs.input.click();
    });

    refs.drop.addEventListener('keydown', (e) => {
      if (e.key === 'Enter' || e.key === ' ') {
        e.preventDefault();
        refs.input.click();
      }
    });

    refs.drop.addEventListener('dragover', (e) => {
      if (!opts.acceptDrop(e)) return;
      e.preventDefault();
      refs.drop.classList.add('dragover');
    });

    refs.drop.addEventListener('dragleave', () => {
      refs.drop.classList.remove('dragover');
    });

    refs.drop.addEventListener('drop', (e) => {
      if (!opts.acceptDrop(e)) return;
      const files = Array.from(e.dataTransfer?.files || []);
      const file = opts.pickFile(files);
      if (!file) return;

      e.preventDefault();
      refs.drop.classList.remove('dragover');
      readAndSet(file);
    });

    refs.input.addEventListener('change', () => {
      const files = Array.from(refs.input.files || []);
      const file = opts.pickFile(files);
      if (file) readAndSet(file);
    });

    refs.removeBtn?.addEventListener('click', () => {
      clearValue({ fromRemoveButton: true });
      if (config.clearToastMessage) {
        showToast?.('success', config.clearToastMessage);
      }
    });

    renderMeta();
    return controller;
  }

  function refresh() {
    renderMeta();
    return controller;
  }

  const controller = {
    refs,
    bind,
    refresh,
    getState,
    setValue,
    clearValue,
    readAndSet
  };

  return controller;
}

let humatchFileDz = null;
let lastHumatchBulkState = null;

function isHumatchModel() {
  return modelKey === 'humatch';
}

function byId(id) {
  return document.getElementById(id);
}

function clearHumatchSingleInputs() {
  const heavy = byId('heavy-seq');
  const light = byId('light-seq');

  if (heavy) writeFieldValue(heavy, '');
  if (light) writeFieldValue(light, '');
}

function clearHumatchBulkInputs() {
  if (humatchFileDz) {
    humatchFileDz.clearValue({ silent: true });
    return;
  }

  const heavyCol = byId('heavy-colname');
  const lightCol = byId('light-colname');

  if (heavyCol) writeFieldValue(heavyCol, '');
  if (lightCol) writeFieldValue(lightCol, '');
}

function parseDelimitedLine(line, delimiter) {
  const out = [];
  let cur = '';
  let inQuotes = false;

  for (let i = 0; i < line.length; i += 1) {
    const ch = line[i];

    if (ch === '"') {
      if (inQuotes && line[i + 1] === '"') {
        cur += '"';
        i += 1;
        continue;
      }
      inQuotes = !inQuotes;
      continue;
    }

    if (ch === delimiter && !inQuotes) {
      out.push(cur.trim());
      cur = '';
      continue;
    }

    cur += ch;
  }

  out.push(cur.trim());
  return out;
}

function detectDelimitedSeparator(text, extHint = '') {
  if (extHint === '.tsv') return '\t';
  if (extHint === '.csv') return ',';

  const firstLine = String(text || '')
    .split(/\r?\n/)
    .find((line) => String(line || '').trim()) || '';

  const commaCount = (firstLine.match(/,/g) || []).length;
  const tabCount = (firstLine.match(/\t/g) || []).length;
  const semiCount = (firstLine.match(/;/g) || []).length;

  if (tabCount > commaCount && tabCount > semiCount) return '\t';
  if (semiCount > commaCount) return ';';
  return ',';
}

function getHumatchHeaderColumnsFromText(text, extHint = '') {
  const firstLine = String(text || '')
    .split(/\r?\n/)
    .find((line) => String(line || '').trim());

  if (!firstLine) return [];

  const delimiter = detectDelimitedSeparator(text, extHint);
  return parseDelimitedLine(firstLine, delimiter)
    .map((v) => String(v || '').trim())
    .filter(Boolean);
}

function normalizeHumatchHeader(name) {
  return String(name || '')
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, '');
}

function scoreHumatchHeader(name, type) {
  const norm = normalizeHumatchHeader(name);
  if (!norm) return -1;

  let score = 0;

  if (type === 'heavy') {
    if (norm === 'heavy') score += 120;
    if (norm === 'vh') score += 140;
    if (norm === 'hc') score += 90;
    if (norm.includes('heavychain')) score += 220;
    if (norm.includes('heavyseq')) score += 210;
    if (norm.includes('heavysequence')) score += 210;
    if (norm.includes('heavy')) score += 100;
    if (norm.includes('vh')) score += 80;
    if (norm.includes('chainh')) score += 70;
    if (norm.endsWith('seq')) score += 10;
    if (norm.includes('sequence')) score += 10;
  } else {
    if (norm === 'light') score += 120;
    if (norm === 'vl') score += 140;
    if (norm === 'lc') score += 90;
    if (norm.includes('lightchain')) score += 220;
    if (norm.includes('lightseq')) score += 210;
    if (norm.includes('lightsequence')) score += 210;
    if (norm.includes('light')) score += 100;
    if (norm.includes('vl')) score += 80;
    if (norm.includes('chainl')) score += 70;
    if (norm.endsWith('seq')) score += 10;
    if (norm.includes('sequence')) score += 10;
  }

  return score;
}

async function tryDetectHumatchExcelColumns(file) {
  if (!window.XLSX?.read || !window.XLSX?.utils?.sheet_to_json) {
    return null;
  }

  const buffer = await readFileAsArrayBuffer(file);
  const workbook = window.XLSX.read(buffer, { type: 'array' });

  const firstSheetName = Array.isArray(workbook?.SheetNames) ? workbook.SheetNames[0] : '';
  if (!firstSheetName) return null;

  const sheet = workbook.Sheets[firstSheetName];
  if (!sheet) return null;

  const rows = window.XLSX.utils.sheet_to_json(sheet, {
    header: 1,
    raw: false,
    blankrows: false
  });

  const headers = Array.isArray(rows?.[0]) ? rows[0] : [];
  return detectHumatchColumnsFromHeaders(headers);
}

function detectHumatchColumnsFromText(text, extHint = '') {
  const headers = getHumatchHeaderColumnsFromText(text, extHint);
  return detectHumatchColumnsFromHeaders(headers);
}

function maybeAutofillHumatchColumn(id, nextValue) {
  const el = byId(id);
  if (!el || !nextValue) return;

  const current = String(el.value || '').trim();
  if (current) return;

  writeFieldValue(el, nextValue);
}

function applyHumatchDetectedColumns(detected) {
  if (!detected) return;
  maybeAutofillHumatchColumn('heavy-colname', detected.heavy);
  maybeAutofillHumatchColumn('light-colname', detected.light);
}

const HUMATCH_ALLOWED_EXTENSIONS = new Set(['csv', 'tsv', 'xlsx', 'xls']);

function getHumatchFileExtension(file) {
  const name = String(file?.name || '').trim().toLowerCase();
  const match = name.match(/\.([a-z0-9]+)$/i);
  return match ? match[1].toLowerCase() : '';
}

function validateHumatchBulkFile(file) {
  const ext = getHumatchFileExtension(file);

  if (!ext || !HUMATCH_ALLOWED_EXTENSIONS.has(ext)) {
    throw new Error('Unsupported file type. Please upload CSV, TSV, XLSX, or XLS.');
  }

  return ext;
}

function getHumatchFileFormat(file) {
  const ext = validateHumatchBulkFile(file);
  return `.${ext}`;
}

async function readHumatchBulkFilePayload(file) {
  if (!file) throw new Error('No file selected.');

  const ext = validateHumatchBulkFile(file);
  const format = `.${ext}`;

  // Plain text formats
  if (ext === 'csv' || ext === 'tsv') {
    const text = await dzReadFileAsText(file);
    if (!String(text || '').trim()) throw new Error('File is empty.');

    return {
      text: String(text),
      payloadFormat: format,
      transport: 'text',
      detectedColumns: detectHumatchColumnsFromText(String(text), format)
    };
  }

  // Excel formats
  const base64 = await readFileAsBase64(file);
  if (!String(base64 || '').trim()) throw new Error('File is empty.');

  let detectedColumns = null;

  try {
    detectedColumns = await tryDetectHumatchExcelColumns(file);
  } catch (err) {
    console.warn('Excel header parsing failed. Sending raw file to backend.', err);
  }

  return {
    text: base64,
    payloadFormat: format,
    transport: 'base64',
    detectedColumns
  };
}

function setSectionEnabled(sectionEl, enabled) {
  if (!sectionEl) return;

  const isSmoothHumatchBulk = sectionEl.id === 'humatch-bulk-section';
  const wasOpen = sectionEl.dataset.open === '1';

  if (isSmoothHumatchBulk && wasOpen !== enabled) {
    clearTimeout(sectionEl._toggleTimer);
    sectionEl.dataset.open = enabled ? '1' : '0';

    if (enabled) {
      sectionEl.classList.remove('is-hidden');
      sectionEl.style.overflow = 'hidden';
      sectionEl.style.maxHeight = '0px';
      sectionEl.style.opacity = '0';
      sectionEl.style.transform = 'translateY(-10px)';

      requestAnimationFrame(() => {
        requestAnimationFrame(() => {
          sectionEl.style.maxHeight = `${sectionEl.scrollHeight}px`;
          sectionEl.style.opacity = '1';
          sectionEl.style.transform = 'translateY(0)';
        });
      });

      sectionEl._toggleTimer = setTimeout(() => {
        sectionEl.style.maxHeight = `${sectionEl.scrollHeight}px`;
        sectionEl.style.overflow = 'hidden';
      }, 340);
} else {
  sectionEl.style.overflow = 'hidden';

  const currentHeight = sectionEl.getBoundingClientRect().height;
  sectionEl.style.maxHeight = `${Math.ceil(currentHeight)}px`;
  sectionEl.style.opacity = '1';
  sectionEl.style.transform = 'translateY(0)';

  void sectionEl.offsetHeight;

  requestAnimationFrame(() => {
    sectionEl.style.maxHeight = '0px';
    sectionEl.style.opacity = '0';
    sectionEl.style.transform = 'translateY(-10px)';
  });

  sectionEl._toggleTimer = setTimeout(() => {
    sectionEl.classList.add('is-hidden');
  }, 340);
}
  } else if (!isSmoothHumatchBulk) {
    sectionEl.classList.toggle('is-hidden', !enabled);
  } else {
    sectionEl.dataset.open = enabled ? '1' : '0';
  }

  Array.from(sectionEl.querySelectorAll('input, select, textarea, button')).forEach((el) => {
    if (el.getAttribute('data-internal-field') === 'true') return;
    el.disabled = !enabled;
  });
}

function syncHumatchUi() {
  if (!isHumatchModel()) return;

  const bulk = !!byId('humatch-bulk-toggle')?.checked;
  const mode = String(byId('humatch-mode')?.value || 'humanise').trim() || 'humanise';

  const singleSection = byId('humatch-single-section');
  const bulkSection = byId('humatch-bulk-section');
  const inputModeText = byId('humatch-input-mode-text');

  const bulkChanged = lastHumatchBulkState !== null && bulk !== lastHumatchBulkState;

  if (bulkChanged) {
    if (bulk) {
      clearHumatchSingleInputs();
    } else {
      clearHumatchBulkInputs();
    }
  }

  lastHumatchBulkState = bulk;

  setSectionEnabled(singleSection, !bulk);
  setSectionEnabled(bulkSection, bulk);

  if (inputModeText) {
    inputModeText.textContent = bulk ? 'Bulk file input' : 'Single sequence input';
  }

  const alignedInput = byId('humatch-aligned');
  const summaryInput = byId('humatch-summary');

  if (alignedInput) alignedInput.disabled = mode === 'align';
  if (summaryInput) summaryInput.disabled = mode !== 'classify';

  humatchFileDz?.refresh();
}

async function hydrateHumatchContext() {
  if (!isHumatchModel()) return;

  const userEl = byId('humatch-user-id');
  const teamEl = byId('humatch-team-id');

  const memberId = await getMemberId().catch(() => null);

  if (userEl) userEl.value = memberId || '';

  try {
    const ctx = memberId ? window.ViciContext?.payloadFor?.(memberId) : null;
    if (teamEl) teamEl.value = String(ctx?.team_id || '');
  } catch (err) {
    console.warn('Could not read Vici team context', err);
  }
}

function initHumatchUi() {
  if (!isHumatchModel()) return;

  if (currentTab === 'advanced') {
    currentTab = 'basic';
  }

  byId('humatch-mode')?.addEventListener('change', syncHumatchUi);
  byId('humatch-bulk-toggle')?.addEventListener('change', syncHumatchUi);

  if (!humatchFileDz) {
humatchFileDz = createDropZoneController({
  scope: root,
  dropZone: '#humatch-file-dropzone',
  fileInput: '#humatch-file-input',
  metaEl: '#humatch-file-meta',
  removeBtn: '#humatch-remove-file',
  contentField: '#input-file-content',
  filenameField: '#input-file-name',
  sourceField: '#input-file-format',
  emptyMetaText: 'CSV, TSV, XLSX or XLS',
mapFileToValue: async ({ file }) => {
  const payload = await readHumatchBulkFilePayload(file);

  return {
    text: payload.text,
    meta: {
      name: file.name || '',
      source: payload.payloadFormat,
      sizeBytes: file.size,
      transport: payload.transport,
      detectedColumns: payload.detectedColumns || null
    }
  };
},

onSet: ({ meta }) => {
  const transportEl = byId('input-file-transport');
  if (transportEl) writeFieldValue(transportEl, meta?.transport || '');

  if (meta?.detectedColumns) {
    applyHumatchDetectedColumns(meta.detectedColumns);
  }
},

onClear: () => {
  const heavyCol = byId('heavy-colname');
  const lightCol = byId('light-colname');
  const transportEl = byId('input-file-transport');

  if (heavyCol) writeFieldValue(heavyCol, '');
  if (lightCol) writeFieldValue(lightCol, '');
  if (transportEl) writeFieldValue(transportEl, '');
},

renderFilledMeta: ({ state }) => {
  const transport = String(byId('input-file-transport')?.value || '').trim();
  const isText = transport === 'text';

  return {
    label: state.filename || 'input file',
    content: state.content,
    includeChars: isText,
    includeLines: isText,
    extraBits: [
      state.source || '',
      transport === 'base64' ? 'binary pass-through' : 'text'
    ].filter(Boolean)
  };
},
clearToastMessage: 'Input file removed.'
});

    humatchFileDz.bind();
  }
  
  window.ViciLookup?.init?.(root);
  hydrateHumatchContext();
  syncHumatchUi();
}

function collectSerializableFields(scope = root) {
  const els = Array.from(scope.querySelectorAll('input, select, textarea'))
    .filter(el => !el.closest('[data-panel="api"]'))
    .filter(el => el.getAttribute('data-internal-field') !== 'true')
    .filter(el => !el.disabled)
    .filter(el => {
      const type = (el.type || '').toLowerCase();
      return type !== 'button' && type !== 'submit' && type !== 'reset';
    });

  const out = {};
  els.forEach((el, idx) => {
    const key = getFieldKey(el, idx);
    const val = readFieldValue(el);
    if (typeof val === 'undefined') return;

    if (Object.prototype.hasOwnProperty.call(out, key)) {
      if (!Array.isArray(out[key])) out[key] = [out[key]];
      out[key].push(val);
    } else {
      out[key] = val;
    }
  });

  return out;
}

function applySerializableFields(values = {}, scope = root) {
  const els = Array.from(scope.querySelectorAll('input, select, textarea'))
    .filter(el => !el.closest('[data-panel="api"]'))
    .filter(el => el.getAttribute('data-internal-field') !== 'true');

  els.forEach((el, idx) => {
    const key = getFieldKey(el, idx);
    if (!Object.prototype.hasOwnProperty.call(values, key)) return;

    const next = values[key];

    if (Array.isArray(next) && !el.multiple && (el.type || '').toLowerCase() !== 'checkbox') {
      return;
    }

    writeFieldValue(el, next);
  });
}

  function captureState() {
    if (typeof adapter.captureState === 'function') {
      try { return adapter.captureState({ root, modelSlug, modelKey }); }
      catch (err) { console.error(err); }
    }
    return {
      tab: currentTab,
      fields: collectSerializableFields(root)
    };
  }

function applyState(state) {
  if (!state) return;

  applySerializableFields(state.fields || {}, root);

  if (state.tab && ['basic','advanced','api'].includes(state.tab)) {
    setTab(state.tab, { silent: true });
  } else {
    setTab('basic', { silent: true });
  }

  if (isHumatchModel()) {
    syncHumatchUi();
  }
}

function isDirty() {
  if (typeof adapter.isDirty === 'function') {
    try { return !!adapter.isDirty({ root, modelSlug, modelKey, baselineState }); }
    catch (err) { console.error(err); }
  }

  if (!baselineState) return false;

  const current = captureState() || {};
  const base = baselineState || {};

  const { tab: _currentTabIgnored, ...currentComparable } = current;
  const { tab: _baseTabIgnored, ...baseComparable } = base;

  return stableSerialize(currentComparable) !== stableSerialize(baseComparable);
}

  function updateActionVisibility() {
    const dirty = isDirty();
    const hideForApi = currentTab === 'api';

    resetBtn?.classList.toggle('is-visible', dirty && !hideForApi);
    actionsWrap?.classList.toggle('is-visible', dirty && !hideForApi);
  }

function setTab(tab, { silent = false, syncHash = true, replaceHash = false } = {}) {
  if (!['basic', 'advanced', 'api'].includes(tab)) return;

  currentTab = tab;

  root.classList.remove('is-tab-basic', 'is-tab-advanced', 'is-tab-api');
  root.classList.add(`is-tab-${tab}`);

  tabs.forEach(btn => {
    const active = btn.dataset.tab === tab;
    btn.classList.toggle('is-active', active);
    btn.setAttribute('aria-selected', active ? 'true' : 'false');
    btn.setAttribute('tabindex', active ? '0' : '-1');
  });

  if (syncHash) {
    // use replace on init/internal changes, push on user tab clicks if you want browser back support
    syncHashToTab(tab, { replace: replaceHash || silent });
  }

  if (tab === 'api') renderApiSnippet();
  updateActionVisibility();

  if (!silent && typeof adapter.onTabChange === 'function') {
    try { adapter.onTabChange(tab, { root, modelSlug, modelKey }); } catch (err) { console.error(err); }
  }
}

  function initTabs() {
    tabs.forEach(btn => {
      btn.addEventListener('click', () => setTab(btn.dataset.tab));
      btn.addEventListener('keydown', (e) => {
        if (!['ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(e.key)) return;
        e.preventDefault();
        const i = tabs.indexOf(btn);
        let next = i;
        if (e.key === 'ArrowRight') next = (i + 1) % tabs.length;
        if (e.key === 'ArrowLeft') next = (i - 1 + tabs.length) % tabs.length;
        if (e.key === 'Home') next = 0;
        if (e.key === 'End') next = tabs.length - 1;
        tabs[next]?.focus();
        setTab(tabs[next]?.dataset.tab || 'basic');
      });
    });

    setTab(currentTab || 'basic', { silent: true, syncHash: true, replaceHash: true });
  }

  function buildGenericJob({ requireName = true, validate = true, toast = false } = {}) {
    const nameInput = document.getElementById('jobname');
    const rawName = String(nameInput?.value || '').trim();

    let runName = canonicalizeRunName(rawName || `my_${modelKey}_run`);

    if (nameInput && rawName && runName !== rawName) {
      nameInput.value = runName;
      if (toast) showToast?.('success', `Name adjusted to "${runName}".`);
    }

    if (requireName && !runName) {
      if (toast) showToast?.('error', 'Name is required.');
      return { error: 'Name is required.' };
    }

    if (validate && runName && !SAFE_NAME_RE.test(runName)) {
      if (toast) showToast?.('error', 'Name must be 3-64 chars using a-z, 0-9, _ or - and start/end with letter or digit.');
      return { error: 'Invalid name.' };
    }

    const allFields = collectSerializableFields(root);
    const params = { ...allFields };

    delete params.jobname;

    Object.keys(params).forEach((k) => {
      const v = params[k];
      if (Array.isArray(v)) return;
      if (typeof v !== 'string') return;
      const trimmed = v.trim();
      if (trimmed === '') return;
      if (/^-?\d+$/.test(trimmed)) params[k] = parseInt(trimmed, 10);
      else if (/^-?\d+\.\d+$/.test(trimmed)) params[k] = parseFloat(trimmed);
    });

    const inner = {
      name: runName || `my_${modelKey}_run`,
      ...params
    };

    const payload = {
      workflow_name: inner.name,
      [modelKey]: inner
    };

    return {
      job: inner,
      payload
    };
  }

function buildHumatchJob({ requireName = true, validate = true, toast = false } = {}) {
  const nameInput = document.getElementById('jobname');
  const rawName = String(nameInput?.value || '').trim();
  
  let runName = canonicalizeRunName(rawName || 'my_humatch_run');

  if (nameInput && rawName && runName !== rawName) {
    nameInput.value = runName;
    if (toast) showToast?.('success', `Name adjusted to "${runName}".`);
  }

  if (requireName && !runName) {
    if (toast) showToast?.('error', 'Name is required.');
    return { error: 'Name is required.' };
  }

  if (validate && runName && !SAFE_NAME_RE.test(runName)) {
    if (toast) showToast?.('error', 'Name must be 3-64 chars using a-z, 0-9, _ or - and start/end with letter or digit.');
    return { error: 'Invalid name.' };
  }

  const mode = String(byId('humatch-mode')?.value || 'humanise').trim() || 'humanise';
  const bulk = !!byId('humatch-bulk-toggle')?.checked;

  const inner = {
    name: runName || 'my_humatch_run',
    mode
  };

  const cachedUserId = String(byId('humatch-user-id')?.value || '').trim();
  if (cachedUserId) {
    inner.user_id = cachedUserId;
  }

if (bulk) {
  const inputFile = String(byId('input-file-content')?.value || '');
  const inputFileName = String(byId('input-file-name')?.value || '').trim();
  const inputFileFormat = String(byId('input-file-format')?.value || '').trim();
  const inputFileTransport = String(byId('input-file-transport')?.value || '').trim();
  const heavyCol = String(byId('heavy-colname')?.value || '').trim();
  const lightCol = String(byId('light-colname')?.value || '').trim();

  if (validate && !inputFile.trim()) {
    if (toast) showToast?.('error', 'Input file is required in bulk mode.');
    return { error: 'Input file is required.' };
  }

  if (validate && !inputFileName) {
    if (toast) showToast?.('error', 'File name is missing. Please re-upload the file.');
    return { error: 'File name is required.' };
  }

  if (validate && !inputFileFormat) {
    if (toast) showToast?.('error', 'File format is missing. Please re-upload the file.');
    return { error: 'File format is required.' };
  }

  if (validate && !inputFileTransport) {
    if (toast) showToast?.('error', 'File transport is missing. Please re-upload the file.');
    return { error: 'File transport is required.' };
  }

  if (validate && !heavyCol) {
    if (toast) showToast?.('error', 'Heavy column name is required in bulk mode.');
    return { error: 'Heavy column name is required.' };
  }

  if (validate && !lightCol) {
    if (toast) showToast?.('error', 'Light column name is required in bulk mode.');
    return { error: 'Light column name is required.' };
  }

  if (inputFile.trim()) inner.input_file = inputFile;
  if (inputFileName) inner.input_file_name = inputFileName;
  if (inputFileFormat) inner.input_file_format = inputFileFormat;
  if (inputFileTransport) inner.input_file_transport = inputFileTransport;
  if (heavyCol) inner.heavy_colname = heavyCol;
  if (lightCol) inner.light_colname = lightCol;
} else {
    const heavySeq = String(byId('heavy-seq')?.value || '').trim();
    const lightSeq = String(byId('light-seq')?.value || '').trim();

    if (validate && !heavySeq) {
      if (toast) showToast?.('error', 'Heavy chain sequence is required.');
      return { error: 'Heavy chain sequence is required.' };
    }

    if (validate && !lightSeq) {
      if (toast) showToast?.('error', 'Light chain sequence is required.');
      return { error: 'Light chain sequence is required.' };
    }

    if (heavySeq) inner.heavy_chain_seq = heavySeq;
    if (lightSeq) inner.light_chain_seq = lightSeq;
  }

  if (mode !== 'align') {
    inner.aligned = !!byId('humatch-aligned')?.checked;
  }

  if (mode === 'classify') {
    inner.summary = !!byId('humatch-summary')?.checked;
  }

  const payload = {
    workflow_name: inner.name,
    [modelKey]: inner
  };

  return {
    job: inner,
    payload
  };
}

function buildJob(opts = {}) {
  if (isHumatchModel()) {
    return buildHumatchJob(opts);
  }
  return buildGenericJob(opts);
}
  
  function toDefRefSafe(path) {
  return String(path)
    .replace(/[^a-zA-Z0-9._:-]+/g, '_')
    .slice(0, 180);
}

function humanizeKey(key) {
  return String(key || '')
    .replace(/\[\d+\]/g, '')
    .replace(/[_-]+/g, ' ')
    .replace(/\s+/g, ' ')
    .trim() || 'field';
}

function valueTypeLabel(v) {
  if (Array.isArray(v)) return 'array';
  if (v === null) return 'null';
  return typeof v;
}

function buildGenericPayloadDef(path, value) {
  const pathLabel = String(path || 'payload');
  const type = valueTypeLabel(value);

  let typeHint = `Expected type: <code>${escapeHtml(type)}</code>.`;
  if (type === 'string') typeHint = 'Expected type: <code>string</code>. Replace with the value for your run.';
  if (type === 'number') typeHint = 'Expected type: <code>number</code>. Use an integer or decimal that your model supports.';
  if (type === 'boolean') typeHint = 'Expected type: <code>boolean</code> (<code>true</code> or <code>false</code>).';

  let extra = 'Replace this example value with a valid value for your model.';
  const pathLower = pathLabel.toLowerCase();

  if (pathLower.endsWith('.name')) {
    extra = 'Run/job name for this model block. Keep this aligned with <code>workflow_name</code> unless your backend expects otherwise.';
  } else if (pathLower.includes('seed')) {
    extra = 'Random seed for reproducibility. Use an integer.';
  } else if (pathLower.includes('num') || pathLower.includes('count') || pathLower.includes('steps')) {
    extra = 'Numeric model parameter. Use a supported range from your model docs.';
  } else if (String(value) === '...') {
    extra = 'Placeholder. Replace with additional model-specific parameters or remove this field.';
  }

  return {
    title: pathLabel,
    html: `
      <div><code>${escapeHtml(pathLabel)}</code></div>
      <div style="margin-top:6px;">${typeHint}</div>
      <div style="margin-top:6px;">${extra}</div>
    `
  };
}

function stringifyPayloadWithMarkers(payloadObj) {
  const markers = [];
  const dynamicDefs = {};

  const mark = (value, kind = 'string', defRef = '') => {
    const token = `__MARK_${markers.length}__`;
    markers.push({ token, value, kind, defRef });
    return token;
  };

  const payload = deepClone(payloadObj);

  function walk(node, pathParts = []) {
    if (Array.isArray(node)) {
      for (let i = 0; i < node.length; i++) {
        const v = node[i];
        const childPath = [...pathParts, `[${i}]`];

        if (v && typeof v === 'object') {
          walk(v, childPath);
          continue;
        }

        const pathStr = childPath.join('.');
        const defRef = toDefRefSafe(`payload:${pathStr}`);
        dynamicDefs[defRef] = buildGenericPayloadDef(pathStr, v);

        let kind = 'string';
        if (typeof v === 'number') kind = 'number';
        else if (typeof v === 'boolean') kind = 'boolean';
        else if (v === null) kind = 'null';

        node[i] = mark(v, kind, defRef);
      }
      return;
    }

    if (!node || typeof node !== 'object') return;

    Object.keys(node).forEach((key) => {
      const v = node[key];
      const childPath = [...pathParts, key];

      // recurse into objects/arrays
      if (v && typeof v === 'object') {
        walk(v, childPath);
        return;
      }

      const pathStr = childPath.join('.');
      const isWorkflowName = pathStr === 'workflow_name';
      const isInnerModelName = pathStr === `${modelKey}.name`;

      let defRef = 'workflow-name';
      if (!isWorkflowName && !isInnerModelName) {
        defRef = toDefRefSafe(`payload:${pathStr}`);
        dynamicDefs[defRef] = buildGenericPayloadDef(pathStr, v);
      }

      let kind = 'string';
      if (typeof v === 'number') kind = 'number';
      else if (typeof v === 'boolean') kind = 'boolean';
      else if (v === null) kind = 'null';

      node[key] = mark(v, kind, defRef);
    });
  }

  walk(payload, []);

  const jsonText = JSON.stringify(payload, null, 2);

  let text = jsonText;
  let html = escapeHtml(jsonText);

  markers.forEach((m) => {
    const quotedToken = `"${m.token}"`;
    const quotedTokenHtml = `&quot;${m.token}&quot;`;

    const jsonEscaped = JSON.stringify(String(m.value));

    let textVal = jsonEscaped;
    let htmlVal = `<span class="tok-string tok-editable" data-def-ref="${escapeHtml(m.defRef)}" title="${escapeHtml(m.defRef || 'editable')}">${escapeHtml(jsonEscaped)}</span>`;

    if (m.kind === 'number') {
      textVal = String(m.value);
      htmlVal = `<span class="tok-number tok-editable" data-def-ref="${escapeHtml(m.defRef)}" title="${escapeHtml(m.defRef || 'editable')}">${escapeHtml(String(m.value))}</span>`;
    } else if (m.kind === 'boolean') {
      textVal = m.value ? 'true' : 'false';
      htmlVal = `<span class="tok-keyword tok-editable" data-def-ref="${escapeHtml(m.defRef)}" title="${escapeHtml(m.defRef || 'editable')}">${m.value ? 'true' : 'false'}</span>`;
    } else if (m.kind === 'null') {
      textVal = 'null';
      htmlVal = `<span class="tok-keyword tok-editable" data-def-ref="${escapeHtml(m.defRef)}" title="${escapeHtml(m.defRef || 'editable')}">null</span>`;
    }

    text = text.split(quotedToken).join(textVal);
    html = html.split(quotedTokenHtml).join(htmlVal);
  });

  return { text, html, defs: dynamicDefs };
}

function getApiTemplate(lang, payloadText, payloadHtml) {
  const HEREDOC_TAG = '__VICI_PAYLOAD_JSON__';

  if (lang === 'python') {
    return {
      text: [
        '# POST a model job (Python)',
        '# Set TOKEN_ID and TOKEN_SECRET to your values.',
        'import json',
        'import requests',
        '',
        `API_URL = "${MODEL_API_ENDPOINT}"`,
        'TOKEN_ID = "<TOKEN_ID>"',
        'TOKEN_SECRET = "<TOKEN_SECRET>"',
        '',
        'payload = json.loads(r"""',
        payloadText,
        '""")',
        '',
        'resp = requests.post(',
        '    API_URL,',
        '    headers={',
        '        "Content-Type": "application/json",',
        '        "Token-ID": TOKEN_ID,',
        '        "Token-Secret": TOKEN_SECRET,',
        '    },',
        '    json=payload',
        ')',
        '',
        'resp.raise_for_status()',
        'print(resp.json())'
      ].join('\n'),
      html: [
        '<span class="tok-comment"># POST a model job (Python)</span>',
        '<span class="tok-comment"># Set TOKEN_ID and TOKEN_SECRET to your values.</span>',
        '<span class="tok-keyword">import</span> <span class="tok-module">json</span>',
        '<span class="tok-keyword">import</span> <span class="tok-module">requests</span>',
        '',
        `<span class="tok-var">API_URL</span> = <span class="tok-string">"${escapeHtml(MODEL_API_ENDPOINT)}"</span>`,
        `<span class="tok-var">TOKEN_ID</span> = <span class="tok-string tok-editable" data-def-ref="token-id" title="token-id">&quot;&lt;TOKEN_ID&gt;&quot;</span>`,
        `<span class="tok-var">TOKEN_SECRET</span> = <span class="tok-string tok-editable" data-def-ref="token-secret" title="token-secret">&quot;&lt;TOKEN_SECRET&gt;&quot;</span>`,
        '',
        '<span class="tok-var">payload</span> = <span class="tok-module">json</span>.<span class="tok-fn">loads</span>(<span class="tok-string">r"""</span>',
        payloadHtml,
        '<span class="tok-string">"""</span>)',
        '',
        '<span class="tok-var">resp</span> = <span class="tok-module">requests</span>.<span class="tok-fn">post</span>(',
        '    <span class="tok-var">API_URL</span>,',
        '    <span class="tok-var">headers</span>={',
        '        <span class="tok-string">"Content-Type"</span>: <span class="tok-string">"application/json"</span>,',
        '        <span class="tok-string">"Token-ID"</span>: <span class="tok-var">TOKEN_ID</span>,',
        '        <span class="tok-string">"Token-Secret"</span>: <span class="tok-var">TOKEN_SECRET</span>,',
        '    },',
        '    <span class="tok-var">json</span>=<span class="tok-var">payload</span>',
        ')',
        '',
        '<span class="tok-var">resp</span>.<span class="tok-fn">raise_for_status</span>()',
        '<span class="tok-fn">print</span>(<span class="tok-var">resp</span>.<span class="tok-fn">json</span>())'
      ].join('\n')
    };
  }

 if (lang === 'curl') {
  return {
    text: [
      '# POST a model job (cURL)',
      '# Set TOKEN_ID and TOKEN_SECRET to your values.',
      '',
      `curl -X POST "${MODEL_API_ENDPOINT}" \\`,
      '  -H "Content-Type: application/json" \\',
      '  -H "Token-ID: <TOKEN_ID>" \\',
      '  -H "Token-Secret: <TOKEN_SECRET>" \\',
      `  --data-binary @- <<'${HEREDOC_TAG}'`,
      payloadText,
      HEREDOC_TAG
    ].join('\n'),
    html: [
      '<span class="tok-comment"># POST a model job (cURL)</span>',
      '<span class="tok-comment"># Set TOKEN_ID and TOKEN_SECRET to your values.</span>',
      '',
      `curl -X POST <span class="tok-string">"${escapeHtml(MODEL_API_ENDPOINT)}"</span> \\`,
      '  -H <span class="tok-string">"Content-Type: application/json"</span> \\',
      '  -H <span class="tok-string">"Token-ID: </span><span class="tok-string tok-editable" data-def-ref="token-id" title="token-id">&lt;TOKEN_ID&gt;</span><span class="tok-string">"</span> \\',
      '  -H <span class="tok-string">"Token-Secret: </span><span class="tok-string tok-editable" data-def-ref="token-secret" title="token-secret">&lt;TOKEN_SECRET&gt;</span><span class="tok-string">"</span> \\',
      `  --data-binary @- &lt;&lt;<span class="tok-string">'${escapeHtml(HEREDOC_TAG)}'</span>`,
      payloadHtml,
      `<span class="tok-string">${escapeHtml(HEREDOC_TAG)}</span>`
    ].join('\n')
  };
}

  return {
    text: [
      '// POST a model job (JavaScript)',
      '// Set TOKEN_ID and TOKEN_SECRET to your values.',
      '',
      '(async () => {',
      `  const API_URL = "${MODEL_API_ENDPOINT}";`,
      '  const TOKEN_ID = "<TOKEN_ID>";',
      '  const TOKEN_SECRET = "<TOKEN_SECRET>";',
      '',
      `  const payload = ${payloadText};`,
      '',
      '  const resp = await fetch(API_URL, {',
      '    method: "POST",',
      '    headers: {',
      '      "Content-Type": "application/json",',
      '      "Token-ID": TOKEN_ID,',
      '      "Token-Secret": TOKEN_SECRET,',
      '    },',
      '    body: JSON.stringify(payload),',
      '  });',
      '',
      '  if (!resp.ok) throw new Error(`Request failed: ${resp.status}`);',
      '',
      '  console.log(await resp.json());',
      '})().catch((err) => {',
      '  console.error(err);',
      '});'
    ].join('\n'),
    html: [
      '<span class="tok-comment">// POST a model job (JavaScript)</span>',
      '<span class="tok-comment">// Set TOKEN_ID and TOKEN_SECRET to your values.</span>',
      '',
      '(<span class="tok-keyword">async</span> () =&gt; {',
      `  <span class="tok-keyword">const</span> <span class="tok-var">API_URL</span> = <span class="tok-string">"${escapeHtml(MODEL_API_ENDPOINT)}"</span>;`,
      `  <span class="tok-keyword">const</span> <span class="tok-var">TOKEN_ID</span> = <span class="tok-string tok-editable" data-def-ref="token-id" title="token-id">&quot;&lt;TOKEN_ID&gt;&quot;</span>;`,
      `  <span class="tok-keyword">const</span> <span class="tok-var">TOKEN_SECRET</span> = <span class="tok-string tok-editable" data-def-ref="token-secret" title="token-secret">&quot;&lt;TOKEN_SECRET&gt;&quot;</span>;`,
      '',
      `  <span class="tok-keyword">const</span> <span class="tok-var">payload</span> = ${payloadHtml};`,
      '',
      '  <span class="tok-keyword">const</span> <span class="tok-var">resp</span> = <span class="tok-keyword">await</span> <span class="tok-fn">fetch</span>(<span class="tok-var">API_URL</span>, {',
      '    <span class="tok-string">method</span>: <span class="tok-string">"POST"</span>,',
      '    <span class="tok-string">headers</span>: {',
      '      <span class="tok-string">"Content-Type"</span>: <span class="tok-string">"application/json"</span>,',
      '      <span class="tok-string">"Token-ID"</span>: <span class="tok-var">TOKEN_ID</span>,',
      '      <span class="tok-string">"Token-Secret"</span>: <span class="tok-var">TOKEN_SECRET</span>,',
      '    },',
      '    <span class="tok-string">body</span>: <span class="tok-module">JSON</span>.<span class="tok-fn">stringify</span>(<span class="tok-var">payload</span>),',
      '  });',
      '',
      '  <span class="tok-keyword">if</span> (!<span class="tok-var">resp</span>.ok) <span class="tok-keyword">throw</span> <span class="tok-keyword">new</span> <span class="tok-module">Error</span>(<span class="tok-string">`Request failed: ${resp.status}`</span>);',
      '',
      '  <span class="tok-module">console</span>.<span class="tok-fn">log</span>(<span class="tok-keyword">await</span> <span class="tok-var">resp</span>.<span class="tok-fn">json</span>());',
      '})().<span class="tok-fn">catch</span>((<span class="tok-var">err</span>) =&gt; {',
      '  <span class="tok-module">console</span>.<span class="tok-fn">error</span>(<span class="tok-var">err</span>);',
      '});'
    ].join('\n')
  };
}

function renderApiSnippet({ forceDefault = false, toast = false } = {}) {
  if (!apiCodeEl) return;
  if (isRenderingApiSnippet) return;

  isRenderingApiSnippet = true;
  try {
    let payloadSource = null;
    apiDynamicDefContent = {};

    if (!forceDefault) {
      const built = buildJob({ requireName: false, validate: false, toast: false });
      if (built && !built.error && built.payload) {
        payloadSource = built.payload;
      }
    }

    if (!payloadSource) {
      payloadSource = deepClone(defaultApiJob || {
        workflow_name: `my_${modelKey}_run`,
        [modelKey]: {
          name: `my_${modelKey}_run`,
          param_1: 'option-a',
          param_2: 42
        }
      });
    }

payloadSource = stripExecutionContextForApi(payloadSource);

const payloadBlock = stringifyPayloadWithMarkers(payloadSource, {
  literalMode: 'json'
});
    apiDynamicDefContent = payloadBlock.defs || {};
    const snippet = getApiTemplate(currentApiLang, payloadBlock.text, payloadBlock.html);

    currentApiSnippet = snippet;
    apiCodeEl.innerHTML = snippet.html;

    if (toast) {
      showToast?.('success', forceDefault ? 'Reset API snippet to defaults.' : 'Synced API snippet from form.');
    }
  } finally {
    isRenderingApiSnippet = false;
  }
}

  function ensureApiDefPopout() {
    if (apiDefPopoutEl) return apiDefPopoutEl;

    const el = document.createElement('div');
    el.className = 'api-def-popout';
    el.setAttribute('role', 'dialog');
    el.setAttribute('aria-hidden', 'true');
    el.innerHTML = `
      <div class="api-def-popout__title"></div>
      <div class="api-def-popout__body"></div>
    `;

    el.addEventListener('mouseenter', () => {
      if (apiDefHideTimer) {
        clearTimeout(apiDefHideTimer);
        apiDefHideTimer = null;
      }
    });

    el.addEventListener('mouseleave', () => {
      scheduleHideApiDefPopout();
    });

    document.body.appendChild(el);
    apiDefPopoutEl = el;
    return el;
  }

	function getApiDefinition(defRef) {
  	return apiDynamicDefContent?.[defRef] || API_DEF_CONTENT?.[defRef] || null;
	}

  function positionApiDefPopout(anchorEl) {
    const pop = ensureApiDefPopout();
    if (!anchorEl) return;

    const a = anchorEl.getBoundingClientRect();
    const p = pop.getBoundingClientRect();
    const gap = 10;
    const margin = 12;

    let left = a.left;
    let top = a.bottom + gap;

    if (left + p.width > window.innerWidth - margin) {
      left = window.innerWidth - p.width - margin;
    }
    if (left < margin) left = margin;

    if (top + p.height > window.innerHeight - margin) {
      top = a.top - p.height - gap;
    }
    if (top < margin) top = margin;

    pop.style.left = `${Math.round(left)}px`;
    pop.style.top = `${Math.round(top)}px`;
  }

  function showApiDefPopoutFor(targetEl) {
    if (!targetEl) return;

    const defRef = targetEl.getAttribute('data-def-ref');
    if (!defRef) return;

    const def = getApiDefinition(defRef);
    if (!def) return;

    if (apiDefHideTimer) {
      clearTimeout(apiDefHideTimer);
      apiDefHideTimer = null;
    }

    const pop = ensureApiDefPopout();
    const titleEl = pop.querySelector('.api-def-popout__title');
    const bodyEl = pop.querySelector('.api-def-popout__body');

    titleEl.textContent = def.title || defRef;
    bodyEl.innerHTML = def.html || '';

    apiDefAnchorEl = targetEl;
    pop.classList.add('is-visible');
    pop.setAttribute('aria-hidden', 'false');

    positionApiDefPopout(targetEl);
  }

  function hideApiDefPopout() {
    const pop = ensureApiDefPopout();
    pop.classList.remove('is-visible');
    pop.setAttribute('aria-hidden', 'true');
    apiDefAnchorEl = null;
  }

  function scheduleHideApiDefPopout(delay = 120) {
    if (apiDefHideTimer) clearTimeout(apiDefHideTimer);
    apiDefHideTimer = setTimeout(() => {
      apiDefHideTimer = null;
      hideApiDefPopout();
    }, delay);
  }

  function bindApiDefinitionPopout() {
    if (!apiCodeEl) return;

    ensureApiDefPopout();

    apiCodeEl.addEventListener('mouseover', (e) => {
      const target = e.target.closest('.tok-editable[data-def-ref]');
      if (!target || !apiCodeEl.contains(target)) return;
      showApiDefPopoutFor(target);
    });

    apiCodeEl.addEventListener('mouseout', (e) => {
      const from = e.target.closest('.tok-editable[data-def-ref]');
      if (!from || !apiCodeEl.contains(from)) return;

      const to = e.relatedTarget;
      if (to && (from.contains(to) || ensureApiDefPopout().contains(to))) return;

      scheduleHideApiDefPopout();
    });

    apiCodeEl.addEventListener('mousemove', (e) => {
      const target = e.target.closest('.tok-editable[data-def-ref]');
      if (!target || !apiCodeEl.contains(target)) return;
      if (apiDefAnchorEl === target) positionApiDefPopout(target);
    });

    window.addEventListener('scroll', () => {
      if (apiDefAnchorEl && apiDefPopoutEl?.classList.contains('is-visible')) {
        positionApiDefPopout(apiDefAnchorEl);
      }
    }, true);

    window.addEventListener('resize', () => {
      if (apiDefAnchorEl && apiDefPopoutEl?.classList.contains('is-visible')) {
        positionApiDefPopout(apiDefAnchorEl);
      }
    });
  }

  function setApiLang(lang) {
    if (!API_LANGS.includes(lang)) return;
    currentApiLang = lang;

    apiLangTabs.forEach(btn => {
      const active = btn.dataset.lang === lang;
      btn.classList.toggle('is-active', active);
      btn.setAttribute('aria-selected', active ? 'true' : 'false');
    });

    renderApiSnippet();
  }

  function findApiActionButtons() {
    let syncBtn = null, copyBtn = null, resetApiBtn = null;

    apiActionBtns.forEach((btn, i) => {
      const label = `${btn.getAttribute('aria-label') || ''} ${btn.title || ''} ${btn.textContent || ''}`.toLowerCase();
      if (!syncBtn && label.includes('sync')) syncBtn = btn;
      else if (!copyBtn && label.includes('copy')) copyBtn = btn;
      else if (!resetApiBtn && label.includes('reset')) resetApiBtn = btn;

      // fallback by order
      if (i === 0 && !syncBtn) syncBtn = btn;
      if (i === 1 && !copyBtn) copyBtn = btn;
      if (i === 2 && !resetApiBtn) resetApiBtn = btn;
    });

    return { syncBtn, copyBtn, resetApiBtn };
  }

function getPresets() {
  if (isHumatchModel()) {
    return {
      coltuximab: {
        jobname: 'humatch_Coltuximab',
        'humatch-mode': 'humanise',
        'humatch-aligned': false,
        'humatch-summary': true,
        'humatch-bulk-toggle': false,
        'heavy-seq': 'QVQLVQPGAEVVKPGASVKLSCKTSGYTFTSNWMHWVKQAPGQGLEWIGEIDPSDSYTNYNQNFQGKAKLTVDKSTSTAYMEVSSLRSDDTAVYYCARGSNPYYYAMDYWGQGTSVTVSS',
        'light-seq': 'EIVLTQSPAIMSASPGERVTMTCSASSGVNYMHWYQQKPGTSPRRWIYDTSKLASGVPARFSGSGSGTDYSLTISSMEPEDAATYYCHQRGSXXYTFGGGTKLEIK',
        'heavy-colname': '',
        'light-colname': '',
        'input-file-content': '',
        'input-file-name': '',
        'input-file-format': ''
      }
    };
  }

  return window.MODEL_PRESETS || {};
}

  function applyPreset(key) {
    const presets = getPresets();
    const preset = presets[key];

    if (!preset) {
      showToast?.('error', `Preset "${key}" not found.`);
      return;
    }

    try {
      if (typeof adapter.applyPreset === 'function') {
        adapter.applyPreset(key, preset, { root, modelSlug, modelKey });
      } else if (typeof preset === 'function') {
        preset({ root, modelSlug, modelKey, setTab });
      } else if (isPlainObject(preset)) {
 
        const targetTab = preset.tab;
        const fieldMap = isPlainObject(preset.fields) ? preset.fields : preset;

        Object.entries(fieldMap).forEach(([k, v]) => {
          if (k === 'tab') return;

          const byId = document.getElementById(k);
          if (byId) {
            writeFieldValue(byId, v);
            return;
          }

          const byName = root.querySelector(`[name="${CSS.escape(k)}"]`);
          if (byName) {
            writeFieldValue(byName, v);
            return;
          }

          const byKey = root.querySelector(`[data-field-key="${CSS.escape(k)}"]`);
          if (byKey) {
            writeFieldValue(byKey, v);
          }
        });

        if (targetTab && ['basic','advanced','api'].includes(targetTab)) {
          setTab(targetTab);
        }
      }

      if (typeof adapter.afterPreset === 'function') {
        adapter.afterPreset(key, preset, { root, modelSlug, modelKey });
      }

      updateActionVisibility();
      if (isHumatchModel()) syncHumatchUi();
      renderApiSnippet();
      showToast?.('success', `Loaded preset: ${key}.`);
    } catch (err) {
      console.error(err);
      showToast?.('error', 'Could not apply preset.');
    }
  }

function smoothCollapseViciLookup(panel) {
  if (!panel) return;

  clearTimeout(panel._viciResetTimer);

  panel.dataset.viciCollapsed = '1';
  panel.classList.remove('open');

  const startHeight = Math.max(
    panel.scrollHeight || 0,
    panel.getBoundingClientRect().height || 0
  );

  panel.style.display = '';
  panel.style.overflow = 'hidden';
  panel.style.transition = 'none';
  panel.style.maxHeight = `${Math.ceil(startHeight)}px`;
  panel.style.opacity = '1';

  requestAnimationFrame(() => {
    requestAnimationFrame(() => {
      panel.style.transition = 'max-height 220ms ease, opacity 180ms ease';
      panel.style.maxHeight = '0px';
      panel.style.opacity = '0';
    });
  });

  panel._viciResetTimer = setTimeout(() => {
    panel.style.display = 'none';
    panel.style.maxHeight = '0px';
    panel.style.opacity = '0';
    panel.style.overflow = '';
    panel.style.transition = '';
  }, 260);
}

function resetAllViciLookups(scope = root) {
  const panels = Array.from(scope.querySelectorAll('.vici-lookup'));

  panels.forEach((panel) => {
    const block = panel.closest('.molecule-block') || panel.parentElement;
    const toggleBtn = block?.querySelector('.vici-toggle-btn');

    const isOpen =
      panel.classList.contains('open') ||
      toggleBtn?.classList.contains('active') ||
      toggleBtn?.getAttribute('aria-expanded') === 'true';

    if (isOpen && typeof toggleBtn?.click === 'function') {
      try {
        // lets the component use its own close animation if it has one
        toggleBtn.click();
      } catch (err) {
        console.error(err);
        smoothCollapseViciLookup(panel);
      }
    } else if (isOpen) {
      smoothCollapseViciLookup(panel);
    }

    requestAnimationFrame(() => {
      try {
        window.ViciLookup?.clear?.(panel, { keepInput: false, keepTarget: false });
      } catch (err) {
        console.error(err);
      }
    });

    if (toggleBtn) {
      toggleBtn.classList.remove('active');
      toggleBtn.setAttribute('aria-expanded', 'false');
    }
  });

  root.querySelectorAll('.lookup-target-text').forEach((el) => {
    el.value = '';
    dzDispatchValueEvents(el);
  });
}

function resetFormUI({ toast = true } = {}) {
  try {
    const tabBeforeReset = currentTab;

    if (typeof adapter.reset === 'function') {
      adapter.reset({
        root,
        modelSlug,
        modelKey,
        baselineState: deepClone(baselineState)
      });

      if (tabBeforeReset && ['basic', 'advanced', 'api'].includes(tabBeforeReset)) {
        setTab(tabBeforeReset, { silent: true });
      }
    } else if (baselineState) {
      const nextState = deepClone(baselineState);
      nextState.tab = tabBeforeReset; 
      applyState(nextState);
    }

       resetAllViciLookups(root);

    const jobnameEl = document.getElementById('jobname');
    if (jobnameEl && jobnameEl.value) {
      const safe = canonicalizeRunName(jobnameEl.value);
      if (safe) jobnameEl.value = safe;
    }

    renderApiSnippet({ forceDefault: false, toast: false });
    updateActionVisibility();

    if (toast) {
      showToast?.('success', 'Form reset.');
    }

  } catch (err) {
    console.error(err);
    showToast?.('error', 'Reset failed.');
  }
}

  async function getMemberId() {
    const start = Date.now();
    while (!window.$memberstackDom && Date.now() - start < 2000) {
      await new Promise(r => setTimeout(r, 50));
    }
    const ms = window.$memberstackDom;
    if (!ms || !ms.getCurrentMember) return null;

    try {
      const res = await ms.getCurrentMember();
      return res?.data?.id || null;
    } catch {
      return null;
    }
  }
  
function getExecutionContextForMember(memberId) {
  const out = { member_id: memberId };

  try {
    const ctxPayload = window.ViciContext?.payloadFor?.(memberId);
    if (ctxPayload?.team_id) {
      out.team_id = ctxPayload.team_id;
    }
  } catch (err) {
    console.warn('Could not read ViciContext payload', err);
  }

  return out;
}

  async function submitModelJob() {
    const execBtn = executeBtnMembers;
    const built = buildJob({ requireName: true, validate: true, toast: true });

    if (!built || built.error || !built.payload) return;

    if (typeof window.guardSubmitOrToast === 'function') {
      try {
        const ok = await window.guardSubmitOrToast({
          planned: 1,
          minCredit: 1.0,
          buttonSelector: execBtn
        });
        if (!ok) return;
      } catch (err) {
        console.warn('guardSubmitOrToast failed, continuing', err);
      }
    }

    const memberId = await getMemberId();
    if (!memberId) {
      showToast?.('error', 'Please sign in to submit jobs.');
      window.location.assign('/sign-up');
      return;
    }

    if (!window.ViciExec?.post) {
      showToast?.('error', 'ViciExec.post is not available on this page.');
      return;
    }

    if (execBtn) {
      execBtn.disabled = true;
      execBtn.setAttribute('aria-busy', 'true');
    }

    UX?.overlay?.show?.('Submitting');
    UX?.progress?.start?.();
    UX?.progress?.trickle?.();

    try {
			const execCtx = getExecutionContextForMember(memberId);

			const body = {
  			...built.payload,
  			...execCtx
			};

      await window.ViciExec.post(MODEL_WORKFLOW_ENDPOINT, memberId, body);

      window.ViciSidebar?.refresh?.().catch?.(() => {});

      UX?.progress?.finishOk?.();
      UX?.overlay?.show?.('Submitted');
      document.querySelector('#page-overlay .label')?.removeAttribute('data-ellipsis');

      showToast?.('success', 'Job submitted. Redirecting...');
      setTimeout(() => {
        UX?.overlay?.hide?.();
        window.location.assign('/dashboard');
      }, 650);
    } catch (err) {
      console.error(err);

      UX?.progress?.finishFail?.();
      UX?.overlay?.show?.('Submission failed');
      document.querySelector('#page-overlay .label')?.removeAttribute('data-ellipsis');

      showToast?.('error', err?.message || 'Submission failed. Please try again.');
      setTimeout(() => UX?.overlay?.hide?.(), 320);
    } finally {
      if (execBtn) {
        execBtn.disabled = false;
        execBtn.removeAttribute('aria-busy');
      }
    }
  }

  async function checkModelJobStatus({ job_id, member_id } = {}) {
    if (!job_id) throw new Error('job_id is required');

    const body = { job_id };
    if (member_id) body.member_id = member_id;

    const res = await fetch(MODEL_STATUS_ENDPOINT, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(body)
    });

    if (!res.ok) {
      throw new Error(`Status request failed: ${res.status}`);
    }

    return res.json();
  }

function bindDirtyTracking() {
  root.addEventListener('input', (e) => {
    if (e.target.closest('[data-panel="api"]')) return;
    updateActionVisibility();
  });

  root.addEventListener('change', (e) => {
    if (e.target.closest('[data-panel="api"]')) return;
    updateActionVisibility();

    // Only refresh API snippet when non-API form fields change
    // and only if API tab is currently open.
    if (currentTab === 'api') renderApiSnippet();
  });

  const mo = new MutationObserver((mutations) => {
    updateActionVisibility();

    // DO NOT call renderApiSnippet() here.
    // renderApiSnippet mutates #api-code-block.innerHTML, which retriggers this observer
    // and causes an infinite loop / "crash".
  });

  mo.observe(root, { childList: true, subtree: true });
}

function bindReset() {
  resetBtn?.addEventListener('click', () => resetFormUI({ toast: false }));
}

  function bindPresets() {
    presetBtns.forEach(btn => {
      btn.addEventListener('click', (e) => {
        e.preventDefault();
        applyPreset(btn.dataset.example);
      });
    });
  }

  function bindApiControls() {
    apiLangTabs.forEach(btn => {
      btn.addEventListener('click', () => setApiLang(btn.dataset.lang || 'python'));
      btn.addEventListener('keydown', (e) => {
        if (!['ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(e.key)) return;
        e.preventDefault();
        const i = apiLangTabs.indexOf(btn);
        let next = i;
        if (e.key === 'ArrowRight') next = (i + 1) % apiLangTabs.length;
        if (e.key === 'ArrowLeft') next = (i - 1 + apiLangTabs.length) % apiLangTabs.length;
        if (e.key === 'Home') next = 0;
        if (e.key === 'End') next = apiLangTabs.length - 1;
        apiLangTabs[next]?.focus();
        setApiLang(apiLangTabs[next]?.dataset.lang || 'python');
      });
    });

    const { syncBtn, copyBtn, resetApiBtn } = findApiActionButtons();

    syncBtn?.addEventListener('click', () => {
      pulseBtn(syncBtn, 'pulse-blue');
      renderApiSnippet({ toast: true });
    });

    copyBtn?.addEventListener('click', () => {
      const text = currentApiSnippet?.text?.trim();
      if (!text) {
        showToast?.('error', 'Nothing to copy yet.');
        return;
      }
      pulseBtn(copyBtn, 'pulse-green');
      copyTextRobust(text)
        .then(() => showToast?.('success', 'Copied API snippet.'))
        .catch(() => showToast?.('error', 'Copy failed. Select code and copy manually.'));
    });

    resetApiBtn?.addEventListener('click', () => {
      pulseBtn(resetApiBtn, 'pulse-red');
      renderApiSnippet({ forceDefault: true, toast: true });
    });
  }

  function bindExecute() {
    if (executeBtnMembers && executeBtnMembers.tagName.toLowerCase() === 'button') {
      executeBtnMembers.type = 'button';
      executeBtnMembers.addEventListener('click', (e) => {
        e.preventDefault();
        submitModelJob();
      });
    }

    if (executeBtnGuest && executeBtnGuest.tagName.toLowerCase() === 'a') {
    }
  }

  function bindNameCanonicalization() {
    const nameInput = document.getElementById('jobname');
    if (!nameInput) return;

    nameInput.addEventListener('blur', () => {
      const raw = nameInput.value;
      if (!raw.trim()) return;
      const safe = canonicalizeRunName(raw);
      if (safe && safe !== raw) {
        nameInput.value = safe;
        nameInput.dispatchEvent(new Event('input', { bubbles: true }));
        nameInput.dispatchEvent(new Event('change', { bubbles: true }));
      }
    });
  }

  function blockFileDropsOnRoot() {
    root.addEventListener('dragover', (e) => {
      const isFile = Array.from(e.dataTransfer?.types || []).includes('Files');
      if (isFile) e.preventDefault();
    });
    root.addEventListener('drop', (e) => {
      const isFile = Array.from(e.dataTransfer?.types || []).includes('Files');
      if (isFile) e.preventDefault();
    });
  }

function initDefaultApiJob() {
  if (isHumatchModel()) {
    defaultApiJob = {
      workflow_name: 'my_humatch_run',
      [modelKey]: {
        name: 'my_humatch_run',
        mode: 'humanise',
        heavy_chain_seq: 'QVQLVQSGAEVKKPGASVKVSCKASGYTFTSYGMH',
        light_chain_seq: 'DIQMTQSPSSLSASVGDRVTITCRASQSVSSYLAWY',
        aligned: false
      }
    };

    defaultApiJob = stripExecutionContextForApi(defaultApiJob);
    return;
  }

  const built = buildJob({ requireName: false, validate: false, toast: false });
  if (built && !built.error && built.payload) {
    defaultApiJob = stripExecutionContextForApi(deepClone(built.payload));
    return;
  }

  defaultApiJob = {
    workflow_name: `my_${modelKey}_run`,
    [modelKey]: {
      name: `my_${modelKey}_run`,
      param_1: 'option-a',
      param_2: 42
    }
  };
}

function init() {
  initHumatchUi();
  bindNameCanonicalization();
  bindDirtyTracking();
  bindReset();
  bindPresets();
  bindApiControls();
  bindApiDefinitionPopout();
  bindExecute();
  blockFileDropsOnRoot();
  bindHashRouting();
  initTabs();

  baselineState = deepClone(captureState());
  initDefaultApiJob();

  setApiLang('python');
  renderApiSnippet({ forceDefault: false, toast: false });
  updateActionVisibility();

  window.ModelPage = {
    root,
    modelSlug,
    modelKey,
    setTab,
    getCurrentTab: () => currentTab,
    isDirty,
    updateActionVisibility,
    captureState,
    applyState,
    resetForm: resetFormUI,
    applyPreset,
    buildJob,
    submitJob: submitModelJob,
    checkStatus: checkModelJobStatus,
    renderApiSnippet,
    setApiLang,
    getApiSnippet: () => ({ ...currentApiSnippet }),
    endpoints: {
      workflow: MODEL_WORKFLOW_ENDPOINT,
      api: MODEL_API_ENDPOINT,
      status: MODEL_STATUS_ENDPOINT
    }
  };
}

if (document.readyState === 'loading') {
  document.addEventListener('DOMContentLoaded', init, { once: true });
} else {
  init();
}
})();