Revert "try simple"

This reverts commit b951385080.

openpilot/cereal/custom.capnp

@@ -353,6 +353,7 @@ struct OnroadEventSP @0xda96579883444c35 {
     speedLimitPending @22;
     e2eChime @23;
     laneChangeRoadEdge @24;
+    bigModelReady @25;
   }
 }
 

openpilot/selfdrive/selfdrived/selfdrived.py

@@ -198,6 +198,7 @@ class SelfdriveD(CruiseHelper):
     loading = self.params.get_bool("ChestnutLoading")
     if self.big_model_loading and not loading:
       self.big_model_ready_t = time.monotonic()
+      self.events_sp.add(custom.OnroadEventSP.EventName.bigModelReady)
     self.big_model_loading = loading
     if self.big_model_loading:
       self.events.add(EventName.bigModelLoading)

openpilot/selfdrive/ui/mici/onroad/hud_renderer.py

@@ -107,6 +107,7 @@ class HudRenderer(Widget):
     self.speed: float = 0.0
     self.v_ego_cluster_seen: bool = False
     self._engaged: bool = False
+    self._sp_engaged: bool = False
     self._chestnut_fade_time: float = 0
 
     self._can_draw_top_icons = True
@@ -164,8 +165,10 @@ class HudRenderer(Widget):
     engaged = sm['selfdriveState'].enabled
     if (set_speed != self.set_speed and engaged) or (engaged and not self._engaged):
       self._set_speed_changed_time = rl.get_time()
-    if engaged != self._engaged:
-      self._chestnut_fade_time = rl.get_time() if engaged else 0
+    sp_engaged = ui_state.engaged
+    if sp_engaged != self._sp_engaged:
+      self._chestnut_fade_time = rl.get_time() if sp_engaged else 0
+    self._sp_engaged = sp_engaged
     self._engaged = engaged
     self.set_speed = set_speed
     self.is_cruise_set = 0 < self.set_speed < SET_SPEED_NA

openpilot/sunnypilot/selfdrive/selfdrived/events.py

@@ -252,4 +252,12 @@ EVENTS_SP: dict[int, dict[str, Alert | AlertCallbackType]] = {
       AlertStatus.userPrompt, AlertSize.small,
       Priority.LOW, VisualAlert.none, AudibleAlert.prompt, 0.1),
   },
+
+  EventNameSP.bigModelReady: {
+    ET.PERMANENT: Alert(
+      "Big Model Ready",
+      "",
+      AlertStatus.normal, AlertSize.small,
+      Priority.LOW, VisualAlert.none, AudibleAlert.prompt, 2.),
+  },
 }