Preview: Build 2 GB, kein Dev-Rueckfall bei bestehender Preview, oeffentliche Seiten nie automatisch auf Dev

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

runner/test/docker.test.js

@@ -34,6 +34,8 @@ test('buildRunArgs: Name Pflicht, Memory/Image Allowlist, Network fest', () => {
   assert.throws(() => buildRunArgs({ ...base, memory: '64g' }));
   assert.throws(() => buildRunArgs({ ...base, image: 'evil/img' }));
   assert.ok(buildRunArgs({ ...base, image: 'oven/bun:1', memory: '512m' }));
+  const b2 = buildRunArgs({ ...base, memory: '2g' });
+  assert.ok(pair(b2, '--memory', '2g') && pair(b2, '--memory-swap', '2g'));
   assert.ok(pair(buildRunArgs({ ...base, network: 'host' }), '--network', 'preview-sandbox'));
 });