Analyse: Vorzeitraum, firstDay, Tageswerte und Durchschnitte in der Statistik; activatedAt in der Ansicht

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

test/analyticsContract.test.js

@@ -44,6 +44,10 @@ test('Vertrag: putSite -> Ereignisse -> getStats -> heatToken -> deleteSite', as
   assert.equal(stats.totals.contacts, 1)
   assert.equal(stats.series.length, 7)
   assert.equal(stats.series.reduce((n, d) => n + d.pv, 0), 3)
+  assert.equal(stats.range, 7)
+  assert.equal(stats.previous.series.length, 7)
+  assert.ok('firstDay' in stats && 'avgSec' in stats.totals)
+  assert.ok(stats.series.every((d) => 'visitors' in d && 'contacts' in d && 'avgSec' in d))
   assert.deepEqual(stats.pages, [{ key: '/', count: 2 }, { key: '/kontakt', count: 1 }])
   assert.deepEqual(stats.refs, [{ key: '', count: 2 }, { key: 'google.com', count: 1 }])
   assert.equal(stats.banner.accept, 1)