fix(analytics): label report sections with active period

tests/test_analysis_period_linkage.py

@@ -301,6 +301,8 @@ def test_sales_frontend_uses_live_period_linked_api_routes():
     assert "columns," in script
     assert 'data-field="product_id"' in template
     assert 'data-field="amount"' in template
+    assert "每週業績趨勢（{{ analysis_period.label }}）" in template
+    assert "全年度" not in template
     assert "fetch(`/api/yoy?" not in script
     assert "'/api/sales_table?'" not in script