feat: update ui and intro sequence

src/components/ui/MissionNotification.tsx

@@ -2,14 +2,19 @@ import { MISSION_NOTIFICATION_IMAGE_PATHS } from "@/data/gameplay/missionNotific
 import type { RepairMissionId } from "@/types/gameplay/repairMission";
 
 interface MissionNotificationProps {
-  mission: RepairMissionId;
+  mission?: RepairMissionId;
+  imagePath?: string;
   visible?: boolean;
 }
 
 export function MissionNotification({
   mission,
+  imagePath,
   visible = true,
 }: MissionNotificationProps): React.JSX.Element {
+  const src =
+    imagePath ?? (mission ? MISSION_NOTIFICATION_IMAGE_PATHS[mission] : "");
+
   return (
     <div
       className={`mission-notification${visible ? "" : " mission-notification--hidden"}`}
@@ -19,7 +24,7 @@ export function MissionNotification({
       <span className="mission-notification__image-wrap">
         <img
           className="mission-notification__image"
-          src={MISSION_NOTIFICATION_IMAGE_PATHS[mission]}
+          src={src}
           alt="Nouvel objectif de mission"
         />
       </span>