Refactor UI assets and harden quality checks

tests/test_store_records.py

@@ -0,0 +1,35 @@
+from karldns.store.records import RecordUpdateInput, UpdateEventInput, _planned_record_update
+
+
+def test_planned_record_update_preserves_disabled_ip_versions() -> None:
+    plan = _planned_record_update(
+        RecordUpdateInput(
+            hostname="home.example.net",
+            ipv4="203.0.113.10",
+            ipv6=None,
+            update_ipv4=True,
+            update_ipv6=False,
+        ),
+        current_ipv4="198.51.100.4",
+        current_ipv6="2001:db8::4",
+        existing=True,
+    )
+
+    assert plan.ipv4 == "203.0.113.10"
+    assert plan.ipv6 == "2001:db8::4"
+    assert plan.changed is True
+
+
+def test_update_event_input_preserves_event_fields() -> None:
+    event = UpdateEventInput(
+        hostname="home.example.net",
+        ipv4="203.0.113.10",
+        ipv6=None,
+        status="updated",
+        detail="ok",
+        source_ip="198.51.100.1",
+    )
+
+    assert event.hostname == "home.example.net"
+    assert event.ipv4 == "203.0.113.10"
+    assert event.source_ip == "198.51.100.1"