Optimize dashboard categories and context loading

app/behavior/engine.py

@@ -900,6 +900,8 @@ def predict_behavior(
 def service_for_state(domain: str, target_state: str) -> str | None:
     if domain in {"fan", "humidifier", "light", "media_player", "remote", "switch"}:
         return {"on": "turn_on", "off": "turn_off"}.get(target_state)
+    if domain == "scene":
+        return "turn_on" if target_state == "on" else None
     if domain == "cover":
         return {"open": "open_cover", "closed": "close_cover"}.get(target_state)
     return None