Show home marker for car journeys

tests/test_trip.py

@@ -171,8 +171,10 @@ def test_get_trip_routes_assumes_unbooked_paris_trip_is_by_train(
     ]
 
 
-def test_load_cars_infers_route_labels_and_home_marker(tmp_path: pathlib.Path) -> None:
-    """Car journeys should load direct GeoJSON routes and endpoint markers."""
+def test_load_cars_infers_route_labels_and_home_marker(
+    tmp_path: pathlib.Path,
+) -> None:
+    """Car journeys should load direct GeoJSON routes and home endpoint markers."""
     (tmp_path / "car_routes").mkdir()
     (tmp_path / "car_journeys.yaml").write_text("""---
 - trip: 2026-07-16
@@ -201,6 +203,40 @@ def test_load_cars_infers_route_labels_and_home_marker(tmp_path: pathlib.Path) -
     assert cars[0]["to"] == "EMF"
     assert cars[0]["geojson_filename"] == "PCH_to_EMF"
     assert cars[0]["distance"] > 0
+    assert cars[0]["from_location"] == {
+        "name": "PCH",
+        "type": "home",
+        "latitude": 51.44083,
+        "longitude": -2.60283,
+    }
+    assert "to_location" not in cars[0]
+
+
+def test_load_cars_can_show_endpoint_markers(tmp_path: pathlib.Path) -> None:
+    """Car endpoint markers should be opt-in."""
+    (tmp_path / "car_routes").mkdir()
+    (tmp_path / "car_journeys.yaml").write_text("""---
+- trip: 2026-07-16
+  depart: 2026-07-16
+  arrive: 2026-07-16
+  route: PCH_to_EMF.geojson
+  show_markers: true
+""")
+    (tmp_path / "car_routes" / "PCH_to_EMF.geojson").write_text(
+        json.dumps(
+            {
+                "type": "Feature",
+                "properties": {},
+                "geometry": {
+                    "type": "LineString",
+                    "coordinates": [[-2.60283, 51.44083], [-1.2, 52.0]],
+                },
+            }
+        )
+    )
+
+    cars = agenda.trip.load_cars(str(tmp_path))
+
     assert cars[0]["from_location"] == {
         "name": "PCH",
         "type": "home",