218 lines
10 KiB
JavaScript
218 lines
10 KiB
JavaScript
function createHumanGates(options = {}) {
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const storage = options.storage || window.localStorage;
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const getLogin = options.getLogin || (() => '');
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const getAccountKey = options.getAccountKey || getLogin;
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const isOnline = options.isOnline || (() => navigator.onLine);
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const location = options.location || window.location;
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const fetchJson = options.fetchJson;
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const nodes = options.nodes || {};
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let queue = { pending_count: 0, items: [] };
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let reviewSnapshot = [];
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let reviewIndex = -1;
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let loadedAccountKey = '';
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let loadEpoch = 0;
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const decisionKeys = new Map();
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let decisionFlight = null;
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const escape = value => String(value ?? '').replace(/[&<>"']/g, character => ({
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'&': '&', '<': '<', '>': '>', '"': '"', "'": ''',
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})[character]);
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const cacheKey = () => 'stackchain.human-gates.v1:' + String(getAccountKey() || '').trim().toLowerCase();
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const setText = (node, value) => { if (node) node.textContent = value; };
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const setHtml = (node, value) => { if (node) node.innerHTML = value; };
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const publish = state => options.onChange?.(JSON.parse(JSON.stringify(queue)), state);
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function validSnapshot(value) {
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return value && Number.isInteger(value.pending_count) && Array.isArray(value.items) ? value : null;
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}
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function restore() {
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if (!getLogin()) return null;
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try { return validSnapshot(JSON.parse(storage.getItem(cacheKey()) || 'null')); } catch (_) { return null; }
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}
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function save(value) {
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if (!getLogin()) return;
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try { storage.setItem(cacheKey(), JSON.stringify(value)); } catch (_) {}
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}
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function render() {
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setText(nodes.count, String(queue.pending_count));
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if (!queue.pending_count) {
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setHtml(nodes.list, '<div class="human-gates-zero"><strong>Inbox zero</strong><span>No release candidates need your decision.</span></div>');
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setText(nodes.status, 'Human Gates inbox zero.');
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return;
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}
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setText(nodes.status, queue.pending_count + (queue.pending_count === 1 ? ' gate pending.' : ' gates pending.'));
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setHtml(nodes.list, queue.items.map(item =>
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'<button class="human-gate-card" type="button" data-human-gate-id="' + escape(item.id) + '">' +
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'<strong>' + escape(item.title) + '</strong><code>' + escape(item.candidate_hash) + '</code>' +
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'<span>Priority ' + escape(item.priority ?? 0) + '</span></button>'
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).join(''));
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}
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function renderDetail(item) {
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if (!item) {
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setHtml(nodes.detail, '<div class="human-gates-zero"><strong>Inbox zero</strong><span>Fixed review snapshot complete.</span></div>');
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return;
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}
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const checks = (item.checks || []).map(check =>
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'<li class="gate-check gate-check-' + escape(check.state) + '"><strong>' + escape(check.name) + '</strong> · ' + escape(check.state) + (check.required ? ' · required' : '') + '</li>'
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).join('');
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const artifacts = (item.artifacts || []).map(artifact => '<li><a href="' + escape(artifact.url) + '" rel="noreferrer">' + escape(artifact.name) + '</a></li>').join('');
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const links = (item.links || []).map(link => '<li><a href="' + escape(link.url) + '" rel="noreferrer">' + escape(link.label) + '</a></li>').join('');
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const provenance = Object.entries(item.provenance || {}).map(([key, value]) => '<li><strong>' + escape(key) + '</strong> · ' + escape(value) + '</li>').join('');
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const history = (item.history || []).map(event => '<li><strong>' + escape(event.action) + '</strong> · ' + escape(event.at) + '</li>').join('');
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setHtml(nodes.detail,
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'<article class="human-gate-detail"><h3>' + escape(item.title) + '</h3>' +
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'<p>Project <strong>' + escape(item.project) + '</strong></p>' +
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'<p>Exact candidate <code>' + escape(item.candidate_hash) + '</code></p>' +
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'<p>Score ' + escape(item.score?.value ?? 'not supplied') + ' · ' + escape(item.score?.provenance || '') + '</p>' +
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'<h4>Artifacts</h4><ul>' + artifacts + '</ul><h4>Links</h4><ul>' + links + '</ul>' +
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'<h4>Checks</h4><ul>' + checks + '</ul><h4>Provenance</h4><ul>' + provenance + '</ul>' +
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'<h4>History</h4><ul>' + history + '</ul>' +
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'<label><input type="checkbox" data-gate-checklist="exact_hash"> Exact hash reviewed</label>' +
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'<label><input type="checkbox" data-gate-checklist="artifacts_reviewed"> Artifacts reviewed</label>' +
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'<label><input type="checkbox" data-gate-checklist="provenance_reviewed"> Provenance reviewed</label>' +
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'<label>Hold reason<textarea data-gate-reason></textarea></label>' +
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'<label>Override reason<textarea data-gate-override></textarea></label>' +
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'<div><button type="button" data-gate-decision="release">Release & next</button>' +
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'<button type="button" data-gate-decision="hold">Hold & next</button></div></article>'
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);
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}
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async function load() {
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const epoch = ++loadEpoch;
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const accountKey = String(getAccountKey() || '').trim().toLowerCase();
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if (accountKey !== loadedAccountKey) {
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loadedAccountKey = accountKey;
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queue = { pending_count: 0, items: [] };
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reviewSnapshot = [];
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reviewIndex = -1;
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render();
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}
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const cached = restore();
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if (cached) {
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queue = cached;
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render();
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publish({available:true, authoritative:false, cached:true});
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}
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try {
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const live = validSnapshot(await fetchJson('api/v1/human-gates'));
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if (epoch !== loadEpoch || accountKey !== loadedAccountKey) return queue;
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if (!live) throw new Error('Human Gates response is invalid.');
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queue = { pending_count: live.pending_count, items: live.items.slice() };
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save(queue);
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render();
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publish({available:true, authoritative:true});
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return queue;
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} catch (error) {
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if (epoch !== loadEpoch || accountKey !== loadedAccountKey) return queue;
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if (!cached) {
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publish({available:false, authoritative:false});
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throw error;
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}
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setText(nodes.status, 'Offline cached gate list · reconnect before deciding.');
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return queue;
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}
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}
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function reviewNext() {
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if (reviewIndex < 0) {
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reviewSnapshot = queue.items.slice();
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reviewIndex = 0;
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}
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const item = reviewSnapshot[reviewIndex] || null;
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renderDetail(item);
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if (item) {
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const index = reviewIndex;
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fetchJson('api/v1/human-gates/' + encodeURIComponent(item.id)).then(detail => {
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if (!detail || detail.id !== item.id) throw new Error('Gate detail is invalid.');
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if (reviewIndex !== index || reviewSnapshot[index]?.id !== item.id) return;
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reviewSnapshot[index] = detail;
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renderDetail(detail);
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}).catch(() => { setText(nodes.status, 'Gate detail is unavailable. Retry while online.'); });
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}
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return item;
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}
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function select(gateId) {
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if (reviewIndex < 0) reviewSnapshot = queue.items.slice();
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const index = reviewSnapshot.findIndex(item => item.id === gateId);
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if (index < 0) throw new Error('Gate is not in the current review snapshot.');
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reviewIndex = index;
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return reviewNext();
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}
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function current() { return reviewIndex < 0 ? null : (reviewSnapshot[reviewIndex] || null); }
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function idempotencyKey(item, decision, payload) {
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const operation = item.id + ':' + item.revision + ':' + decision + ':' + JSON.stringify(payload);
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if (decisionKeys.has(operation)) return { operation, key: decisionKeys.get(operation) };
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const nonce = globalThis.crypto?.randomUUID?.() || (Date.now().toString(36) + '-' + Math.random().toString(36).slice(2));
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const key = 'human-gate:' + item.id + ':' + item.revision + ':' + decision + ':' + nonce;
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decisionKeys.set(operation, key);
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return { operation, key };
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}
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async function decideAndNext(decision, values = {}) {
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const item = current();
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if (!item) throw new Error('No gate is selected.');
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if (!isOnline()) throw new Error('Human Gate decisions require an online connection.');
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if (!String(getLogin() || '').trim()) throw new Error('Authenticated account identity is required.');
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const checklist = values.checklist || {};
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const complete = ['exact_hash', 'artifacts_reviewed', 'provenance_reviewed'].every(key => checklist[key] === true);
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if (decision === 'release' && !complete) throw new Error('Complete the release checklist before deciding.');
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const unmet = (item.checks || []).filter(check => check.required && check.state !== 'success');
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if (decision === 'release' && unmet.length && !String(values.override_reason || '').trim()) {
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throw new Error('An explicit override reason is required for unmet required checks.');
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}
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if (decision === 'hold' && !String(values.reason || '').trim()) throw new Error('A hold reason is required.');
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const payload = {
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expected_revision: item.revision, decision,
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reason: String(values.reason || '').trim(),
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override_reason: String(values.override_reason || '').trim(), checklist,
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};
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if (decisionFlight) return decisionFlight;
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const operation = (async () => {
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const decisionKey = idempotencyKey(item, decision, payload);
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const receipt = await fetchJson('api/v1/human-gates/' + encodeURIComponent(item.id) + '/decision', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', 'Idempotency-Key': decisionKey.key },
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body: JSON.stringify(payload),
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});
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decisionKeys.delete(decisionKey.operation);
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queue.items = queue.items.filter(candidate => candidate.id !== item.id);
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queue.pending_count = Math.max(0, queue.pending_count - 1);
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save(queue); render();
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publish({available:true, authoritative:true, decision:true});
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reviewIndex += 1;
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const next = current();
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if (next) reviewNext(); else renderDetail(null);
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setText(nodes.status, next ? (decision === 'release' ? 'Released. Reviewing next gate.' : 'Held. Reviewing next gate.') : 'Decision saved. Human Gates review snapshot complete.');
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return { receipt, next };
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})();
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decisionFlight = operation;
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try {
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return await operation;
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} finally {
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if (decisionFlight === operation) decisionFlight = null;
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}
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}
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function open() {
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location.hash = '#/my-work/human-gates';
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if (nodes.panel) nodes.panel.hidden = false;
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return load().then(() => reviewNext());
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}
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return {
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load, open, reviewNext, select, decideAndNext, current,
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restoreCached: restore,
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snapshot: () => JSON.parse(JSON.stringify(queue)),
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route: () => location.hash,
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};
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}
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if (typeof module !== 'undefined') module.exports = createHumanGates;
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if (typeof window !== 'undefined') window.createHumanGates = createHumanGates;
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