Show read-only server reading hours in settings

test/settings-nav.test.js

@@ -1,7 +1,7 @@
 'use strict';
 const test = require('node:test');
 const assert = require('node:assert/strict');
-const { SETTINGS_SECTIONS, SCRAPER_TABS, settingsRoute } = require('../public/settings-nav');
+const { SETTINGS_SECTIONS, SCRAPER_TABS, settingsRoute, readingDayText } = require('../public/settings-nav');
 
 test('settings organize unique routes into User and Admin, with scraper-local tabs', () => {
   assert.equal(new Set(SETTINGS_SECTIONS.map(s => s.id)).size, SETTINGS_SECTIONS.length);
@@ -21,3 +21,12 @@ test('settings deep links default safely and never route ordinary readers into a
   assert.deepEqual(settingsRoute('#admin/scraper/sources', true), { id: 'admin/scraper', tab: 'sources' });
   assert.equal(settingsRoute('#admin/scraper/unknown', true).tab, 'activity');
 });
+
+test('reading-hours rows include overnight carry from the previous day', () => {
+  const schedule = { days: [
+    [['08:00', '01:00']], [['07:00', '24:00']], [], [], [], [], [['08:00', '01:00']],
+  ] };
+  assert.equal(readingDayText(schedule, 0), '00:00–01:00 (from Saturday) · 08:00–01:00 (next day)');
+  assert.equal(readingDayText(schedule, 1), '00:00–01:00 (from Sunday) · 07:00–24:00');
+  assert.equal(readingDayText(schedule, 2), 'Closed all day');
+});