Add the 2026-09 sessions: motherboard, pushT and rope, cut to clean spans

Every published frame passed every quality detector -- defects are removed by cutting rather than annotated in bad_frames.json, so a reader who never opens the sidecar cannot train on frozen tactile or teleported poses.

Old sessions (2026-05, 2026-06) are untouched: they live under different date partitions and their files are neither moved nor deleted. episodes.jsonl, segments.json and bad_frames.json are merged, old rows kept verbatim.

data/rope/bad_frames.json

@@ -64,6 +64,16 @@
       "n_frames": 4603,
       "total_bad_frames": 0,
       "note": "published as a clean span; defects were cut out, not annotated"
+    },
+    "2026-09-11/episode_006_seg02": {
+      "n_frames": 2206,
+      "total_bad_frames": 0,
+      "note": "published as a clean span; defects were cut out, not annotated"
+    },
+    "2026-09-11/episode_006_seg03": {
+      "n_frames": 5195,
+      "total_bad_frames": 0,
+      "note": "published as a clean span; defects were cut out, not annotated"
     }
   }
 }

data/rope/episodes.jsonl

@@ -11,3 +11,5 @@
 {"episode": "2026-09-11/episode_005_seg02", "date": "2026-09-11", "n_frames": 1808, "duration_s": 60.267, "source_episode": "2026-09-11/episode_005", "calibration": "calibration/epoch_2026-09-09", "cut_to_clean_spans": true, "wrist_camera_present": true}
 {"episode": "2026-09-11/episode_006_seg00", "date": "2026-09-11", "n_frames": 4740, "duration_s": 158.0, "source_episode": "2026-09-11/episode_006", "calibration": "calibration/epoch_2026-09-09", "cut_to_clean_spans": true, "wrist_camera_present": true}
 {"episode": "2026-09-11/episode_006_seg01", "date": "2026-09-11", "n_frames": 4603, "duration_s": 153.433, "source_episode": "2026-09-11/episode_006", "calibration": "calibration/epoch_2026-09-09", "cut_to_clean_spans": true, "wrist_camera_present": true}
+{"episode": "2026-09-11/episode_006_seg02", "date": "2026-09-11", "n_frames": 2206, "duration_s": 73.533, "source_episode": "2026-09-11/episode_006", "calibration": "calibration/epoch_2026-09-09", "cut_to_clean_spans": true, "wrist_camera_present": true}
+{"episode": "2026-09-11/episode_006_seg03", "date": "2026-09-11", "n_frames": 5195, "duration_s": 173.167, "source_episode": "2026-09-11/episode_006", "calibration": "calibration/epoch_2026-09-09", "cut_to_clean_spans": true, "wrist_camera_present": true}

data/rope/meta/2026-09-11/episode_006_seg02.parquet

@@ -0,0 +1,3 @@
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+size 694362

data/rope/meta/2026-09-11/episode_006_seg03.parquet

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data/rope/segments.json

@@ -143,7 +143,29 @@
       ],
       "n_frames": 4603,
       "duration_s": 153.433
+    },
+    {
+      "task": "rope",
+      "source_episode": "2026-09-11/episode_006_seg02",
+      "segment_idx": 0,
+      "frame_range": [
+        0,
+        2205
+      ],
+      "n_frames": 2206,
+      "duration_s": 73.533
+    },
+    {
+      "task": "rope",
+      "source_episode": "2026-09-11/episode_006_seg03",
+      "segment_idx": 0,
+      "frame_range": [
+        0,
+        5194
+      ],
+      "n_frames": 5195,
+      "duration_s": 173.167
     }
   ],
-  "n_segments": 13
+  "n_segments": 15
 }

data/rope/videos/2026-09-11/episode_006_seg02/tactile_left.mp4

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data/rope/videos/2026-09-11/episode_006_seg02/tactile_right.mp4

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data/rope/videos/2026-09-11/episode_006_seg02/view_middle.mp4

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data/rope/videos/2026-09-11/episode_006_seg02/view_right.mp4

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data/rope/videos/2026-09-11/episode_006_seg02/wrist_left.mp4

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data/rope/videos/2026-09-11/episode_006_seg03/wrist_left.mp4

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