feat(intro): add ebike onboarding sequence

src/components/ui/MissionNotification.tsx

@@ -0,0 +1,28 @@
+import { MISSION_NOTIFICATION_IMAGE_PATHS } from "@/data/gameplay/missionNotifications";
+import type { RepairMissionId } from "@/types/gameplay/repairMission";
+
+interface MissionNotificationProps {
+  mission: RepairMissionId;
+  visible?: boolean;
+}
+
+export function MissionNotification({
+  mission,
+  visible = true,
+}: MissionNotificationProps): React.JSX.Element {
+  return (
+    <div
+      className={`mission-notification${visible ? "" : " mission-notification--hidden"}`}
+      aria-live="polite"
+    >
+      <div className="mission-notification__glow" />
+      <span className="mission-notification__image-wrap">
+        <img
+          className="mission-notification__image"
+          src={MISSION_NOTIFICATION_IMAGE_PATHS[mission]}
+          alt="Nouvel objectif de mission"
+        />
+      </span>
+    </div>
+  );
+}