Merge branch 'main' of git.stroblme.de:Fluksio/app

# Conflicts:
#	frontend/src/client/sdk.gen.ts

backend/tests/api/routes/test_panels.py

@@ -255,6 +255,14 @@ PANEL_WIDGETS = [
     },
     {"id": "w_input", "type": "input", "config": {"target": "demo.input"}},
     {"id": "w_dropdown", "type": "dropdown", "config": {"target": "demo.dropdown"}},
+    {
+        "id": "w_buttons",
+        "type": "buttons",
+        "config": {
+            "target": "demo.buttons",
+            "buttons": [{"label": "One", "value": 1}],
+        },
+    },
     {
         "id": "w_query",
         "type": "chart",
@@ -313,6 +321,7 @@ def test_a_panel_speaks_only_its_own_widgets_messages(
         "demo.slider",
         "demo.input",
         "demo.dropdown",
+        "demo.buttons",
         "demo.query_request",
     ):
         assert (