new core.middleware sets cookie for scroll timestamp view to local browser time, w. new corresponding tests in core.tests.UTs.test_middleware; apps.lyric.templatetags.lyric_extras determines timestamp format based on duration elapsed since timestamp; apps.bill.tests.ITs.test_views renamed, now also asserts scroll renders event body and time in columns

src/apps/billboard/tests/integrated/test_views.py

@@ -143,6 +143,11 @@ class BillscrollViewTest(TestCase):
         response = self.client.get(f"/billboard/room/{self.room.id}/scroll/")
         self.assertEqual(response.context["scroll_position"], 250)
 
+    def test_scroll_renders_event_body_and_time_columns(self):
+        response = self.client.get(f"/billboard/room/{self.room.id}/scroll/")
+        self.assertContains(response, 'class="drama-event-body"')
+        self.assertContains(response, 'class="drama-event-time"')
+
 
 class SaveScrollPositionTest(TestCase):
     def setUp(self):

src/apps/lyric/templatetags/lyric_extras.py

@@ -1,4 +1,5 @@
 from django import template
+from django.utils import dateformat, timezone
 
 register = template.Library()
 
@@ -17,6 +18,29 @@ def truncate_email(email):
     
     return local + "@" + domain_name + "." + domain_tld
 
+@register.filter
+def relative_ts(dt):
+    """Return a compact relative timestamp string for a datetime value.
+
+    < 24 h  → "3:07 a.m."
+    < 7 d   → "Thu"
+    < 1 y   → "07 Mar"
+    ≥ 1 y   → "07 Mar 2025"
+    """
+    if dt is None:
+        return ""
+    local_dt = timezone.localtime(dt)
+    diff = timezone.now() - dt
+    if diff.total_seconds() < 86400:
+        return dateformat.format(local_dt, "g:i a")
+    elif diff.days < 7:
+        return dateformat.format(local_dt, "D")
+    elif diff.days < 365:
+        return dateformat.format(local_dt, "d M")
+    else:
+        return dateformat.format(local_dt, "d M Y")
+
+
 @register.filter
 def display_name(user):
     if user is None: