webui: improve mobile temperature config layout

tests/test_http_api_contract.py

@@ -526,3 +526,15 @@ def test_embedded_webui_main_pages_are_mutually_exclusive():
     assert 'battery:"batteryPage"' in source
     assert 'config:"configPage"' in source
     assert 'showConfigSubtab("general")' in source
+
+
+def test_embedded_webui_mobile_temperature_config_cards():
+    source = firmware_source()
+
+    assert "/* Mobile temperature config layout */" in source
+    assert "tempConfigCard" in source
+    assert "tempConfigControls" in source
+    assert "Temp Slot ${i+1}" in source
+    assert "Clear Assignment" in source
+    assert "Weather Badge" in source
+    assert "@media(max-width:700px)" in source