Refine overview cards and ignore macOS files

tests/test_app.py

@@ -103,6 +103,40 @@ def test_boxes_page_returns_200(client):
     assert "箱子" in response.text
 
 
+def test_boxes_overview_card_shows_note_and_item_count_without_room_or_status(client, db_session):
+    box = Box(
+        name="Kitchen Box",
+        note="易碎餐具和杯子",
+        room="Kitchen",
+        status="packed",
+    )
+    box.items.append(Item(name="Plate", is_container=False))
+    db_session.add(box)
+    db_session.commit()
+
+    response = client.get("/boxes")
+
+    assert response.status_code == 200
+    assert "Kitchen Box" in response.text
+    assert "物品数：1" in response.text
+    assert "易碎餐具和杯子" in response.text
+    assert "房间：" not in response.text
+    assert "状态：" not in response.text
+
+
+def test_boxes_overview_renders_cleanly_when_note_is_empty(client, db_session):
+    box = Box(name="No Note Box", note=None, room="Office", status="open")
+    db_session.add(box)
+    db_session.commit()
+
+    response = client.get("/boxes")
+
+    assert response.status_code == 200
+    assert "No Note Box" in response.text
+    assert "房间：" not in response.text
+    assert "状态：" not in response.text
+
+
 def test_can_create_box(client, db_session):
     response = create_box(client, name="Kitchen Box")
 
@@ -177,6 +211,21 @@ def test_box_detail_returns_200_when_box_exists(client, db_session):
     assert "Visible Box" in response.text
 
 
+def test_box_detail_item_cards_show_notes_without_note_placeholder_text(client, db_session):
+    box = Box(name="Overview Box")
+    box.items.append(Item(name="Accessory Pouch", note="充电器和转换头", is_container=True, quantity=2))
+    db_session.add(box)
+    db_session.commit()
+
+    response = client.get(f"/boxes/{box.id}")
+
+    assert response.status_code == 200
+    assert "Accessory Pouch" in response.text
+    assert "数量：2" in response.text
+    assert "充电器和转换头" in response.text
+    assert "有备注" not in response.text
+
+
 def test_can_create_regular_item_under_box(client, db_session):
     box = Box(name="Main Box")
     db_session.add(box)