resumeCampaign resets semana_iniciada_em to avoid immediate escalation

resumeCampaign only updated status/pause_reason, so a campaign auto-paused
for many days and then resumed could immediately satisfy
escalateWeeklyLimits' 7-day check and double its daily limit right after
coming back from an unhealthy state -- the opposite of the intended
safety behavior. Now resumeCampaign also stamps semana_iniciada_em to
datetime('now'), resetting the weekly clock on every resume.

tests/campaign-store.test.mjs

@@ -79,6 +79,23 @@ test('setCampaignStatus rodando does not reset already-set semana_iniciada_em',
   db.close();
 });
 
+test('resumeCampaign reseta semana_iniciada_em, evitando escalonamento imediato apos retomar de uma pausa longa', () => {
+  const db = openDb(':memory:');
+  const campanha = createCampaign(db, campanhaBase({ limiteDiarioInicial: 10, limiteDiarioTeto: 80 }));
+  setCampaignStatus(db, campanha.id, 'rodando');
+  setCampaignStatus(db, campanha.id, 'pausado', 'high_failure_rate');
+  // Simula que a campanha ficou pausada por muito tempo: semana_iniciada_em
+  // backdated 10 dias, o que satisfaria os "7 dias corridos" do escalonamento.
+  db.prepare(`UPDATE outreach_campaigns SET semana_iniciada_em = datetime('now', '-10 days') WHERE id = ?`).run(campanha.id);
+
+  resumeCampaign(db, campanha.id);
+  const escaladas = escalateWeeklyLimits(db);
+  assert.equal(escaladas, 0, 'retomar deveria ter resetado o relogio semanal, entao nao deveria escalonar imediatamente');
+  const atualizada = getCampaign(db, campanha.id);
+  assert.equal(atualizada.limite_diario_atual, 10);
+  db.close();
+});
+
 test('resumeCampaign nao faz nada se a campanha nao estiver pausada', () => {
   const db = openDb(':memory:');
   const campanha = createCampaign(db, campanhaBase());