Preserve per-source pacing across queue jobs and add source pause

scraper/test/source-broker.test.js

@@ -54,3 +54,15 @@ test('a guarded 403 stops immediately without redirect or retry', async () => {
   await assert.rejects(http.get('https://weebcentral.com/series/X', { accept: 'text/html' }), StopScrapeError);
   assert.equal(calls, 1);
 });
+
+test('separate jobs on one source retain the configured request gap', async () => {
+  const gateKey = `fixture-${Date.now()}-${Math.random()}`;
+  const transport = async () => ({ status: 200, ok: true });
+  const first = new SlowHttp({ gateKey, minMs: 40, maxMs: 40, transport });
+  await first.get('https://example.org/one');
+  const second = new SlowHttp({ gateKey, minMs: 40, maxMs: 40, transport });
+  assert.equal(second.gate, first.gate);
+  const started = Date.now();
+  await second.get('https://example.org/two');
+  assert.ok(Date.now() - started >= 30, 'a new job must not reset its source delay');
+});