Push-Zeitmail: Zeit nur in 15-Minuten-Schritten

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

test/pushTimeEntry.test.js

@@ -44,10 +44,11 @@ test('needsTimeEntry', () => {
   assert.equal(needsTimeEntry({ serviceType: 'Remote', startTime: '', totalTime: 0 }), false)
 })
 
-test('parseMinutes: ganze Minuten 1–720', () => {
+test('parseMinutes: nur 15-Minuten-Schritte 15–720', () => {
   assert.equal(parseMinutes('45'), 45)
+  assert.equal(parseMinutes('15'), 15)
   assert.equal(parseMinutes(720), 720)
-  for (const bad of ['1.5', '0', '721', '', 'abc', undefined, null, '-5', '45abc']) {
+  for (const bad of ['1.5', '0', '721', '735', '70', '1', '', 'abc', undefined, null, '-5', '-15', '45abc']) {
     assert.equal(parseMinutes(bad), null, String(bad))
   }
 })