feat(v2): add state-based cooldown with critical override

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

logic/cooldown.js

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+const ONE_DAY_MS = 24 * 60 * 60 * 1000;
+
+const BLOCKING_CLASSIFICATIONS = new Set([
+  'WAITING_REQUESTER', 'WAITING_VENDOR', 'SCHEDULED', 'DEPENDENCY_BLOCKED',
+]);
+
+function isCriticalOverride(ticket) {
+  return Boolean(ticket.sla_vencido) && Number(ticket.prioridade) >= 4;
+}
+
+function computeCooldown({ ticket, classification, contextChanged, memory, now, config }) {
+  const consecutiveDaysSent = memory ? Number(memory.consecutive_days_sent || 0) : 0;
+  const lastSentAt = memory ? memory.last_sent_at : null;
+  const nextReviewAt = memory ? memory.next_review_at : null;
+  const critical = isCriticalOverride(ticket);
+
+  let blocked = false;
+  let penalty = 0;
+  let reason = 'ok';
+  let breakCooldown = false;
+
+  if (classification === 'NEEDS_COORDINATION') {
+    blocked = true;
+    reason = 'needs_coordination';
+  } else if (nextReviewAt != null && now < nextReviewAt && !contextChanged) {
+    blocked = true;
+    reason = 'waiting_next_review';
+  } else if (BLOCKING_CLASSIFICATIONS.has(classification) && !contextChanged) {
+    blocked = true;
+    reason = `blocked_${classification.toLowerCase()}`;
+  }
+
+  const sentRecently = lastSentAt != null && (now - lastSentAt) < ONE_DAY_MS * 1.5;
+  if (!contextChanged && sentRecently && consecutiveDaysSent > 0) {
+    const perDayBase = classification === 'ACTIONABLE_NOW' || classification === 'UNASSIGNED_ACTIONABLE' ? 10 : 15;
+    penalty = Math.min(90, perDayBase * consecutiveDaysSent);
+    if (!blocked) reason = 'repeat_no_change';
+  }
+
+  if (blocked && critical && classification !== 'NEEDS_COORDINATION') {
+    breakCooldown = true;
+    blocked = false;
+    penalty = Math.round(penalty / 2);
+    reason = `${reason}_override_critical`;
+  }
+
+  return { blocked, penalty, reason, breakCooldown, consecutiveDaysSent };
+}
+
+module.exports = { computeCooldown, isCriticalOverride, BLOCKING_CLASSIFICATIONS };

logic/cooldown.test.js

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+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const { computeCooldown } = require('./cooldown');
+
+const CONFIG = { cooldownDays: 1 };
+const NOW = new Date('2026-08-24T08:00:00Z').getTime();
+const ONE_DAY = 24 * 60 * 60 * 1000;
+
+function ticket(overrides) {
+  return Object.assign({ sla_vencido: false, prioridade: 2, urgencia: 2 }, overrides);
+}
+
+test('WAITING_VENDOR sem mudanca de contexto fica bloqueado (nao repete diariamente)', () => {
+  const memory = { consecutive_days_sent: 2, last_sent_at: NOW - ONE_DAY, next_review_at: NOW + ONE_DAY };
+  const result = computeCooldown({ ticket: ticket({}), classification: 'WAITING_VENDOR', contextChanged: false, memory, now: NOW, config: CONFIG });
+  assert.equal(result.blocked, true);
+});
+
+test('enviado ontem sem mudanca recebe penalidade crescente', () => {
+  const memory = { consecutive_days_sent: 3, last_sent_at: NOW - ONE_DAY, next_review_at: null };
+  const result = computeCooldown({ ticket: ticket({}), classification: 'ACTIONABLE_NOW', contextChanged: false, memory, now: NOW, config: CONFIG });
+  assert.ok(result.penalty > 0);
+  assert.equal(result.blocked, false);
+});
+
+test('mudanca de contexto real desbloqueia mesmo em estado de espera', () => {
+  const memory = { consecutive_days_sent: 2, last_sent_at: NOW - ONE_DAY, next_review_at: NOW + ONE_DAY };
+  const result = computeCooldown({ ticket: ticket({}), classification: 'WAITING_VENDOR', contextChanged: true, memory, now: NOW, config: CONFIG });
+  assert.equal(result.blocked, false);
+});
+
+test('NEEDS_COORDINATION sempre bloqueado para o Top 10 diario', () => {
+  const result = computeCooldown({ ticket: ticket({}), classification: 'NEEDS_COORDINATION', contextChanged: false, memory: null, now: NOW, config: CONFIG });
+  assert.equal(result.blocked, true);
+  assert.equal(result.reason, 'needs_coordination');
+});
+
+test('chamado critico (SLA vencido + prioridade alta) quebra o cooldown', () => {
+  const memory = { consecutive_days_sent: 4, last_sent_at: NOW - ONE_DAY, next_review_at: NOW + ONE_DAY };
+  const critico = ticket({ sla_vencido: true, prioridade: 5 });
+  const result = computeCooldown({ ticket: critico, classification: 'WAITING_VENDOR', contextChanged: false, memory, now: NOW, config: CONFIG });
+  assert.equal(result.blocked, false);
+  assert.equal(result.breakCooldown, true);
+});
+
+test('sem memoria previa nunca bloqueia por cooldown', () => {
+  const result = computeCooldown({ ticket: ticket({}), classification: 'ACTIONABLE_NOW', contextChanged: true, memory: null, now: NOW, config: CONFIG });
+  assert.equal(result.blocked, false);
+  assert.equal(result.penalty, 0);
+});