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

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

logic/cooldown.test.js

@@ -0,0 +1,50 @@
+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);
+});