Add IMU layout

data/models/ea89e39c835c0557.json

@@ -1,7 +1,27 @@
 {
   "created_at": "2026-05-29T08:40:51Z",
   "id": "ea89e39c835c0557",
+  "imus": [
+    {
+      "enabled": true,
+      "frame_id": "imu_link",
+      "id": "719a21772e114466",
+      "name": "IMU",
+      "rate_hz": 100,
+      "source": "external",
+      "topic": "imu/data"
+    }
+  ],
   "layout": {
+    "imuPoses": {
+      "719a21772e114466": {
+        "x": 0.06910131801805619,
+        "y": 0.8135664703630141,
+        "yaw_deg": 0,
+        "z": 0.1
+      }
+    },
+    "imuPosesFrame": "robot",
     "lidarPoses": {
       "40235913b52d8101": {
         "theta_deg": -135,
@@ -173,5 +193,5 @@
     }
   ],
   "name": "T800",
-  "updated_at": "2026-05-29T08:44:03Z"
+  "updated_at": "2026-05-29T10:11:49Z"
 }