diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v01_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v01_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..bd8493195ad50471387af987230a9712450af729
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v01_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:73aec5667d8d2703fac24845b377602dbd8253a96d21c22db4f4134935daa928
+size 10091
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02.json
new file mode 100644
index 0000000000000000000000000000000000000000..3284c5cd60e6047751f024b5bdd7954104887574
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02.json
@@ -0,0 +1,107 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "6f6d0d07030349317f6b46b0aa4a86b7f13bd6e858b3282f6612145eef875175",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383482492843,
+      1790046392715443845
+    ]
+  },
+  "serial": "17736741",
+  "view_index": 2,
+  "instance": "occluder",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 277,
+    "official_frame_index": 277,
+    "native_container_frame_index": 278,
+    "view_time_ns": 1790046383482492843
+  },
+  "version": 2,
+  "supersedes": {
+    "file": "t0000_v01.json",
+    "sha256": "93c65964730188ec914cf43411dee40e98ce68c1d2446de6e6ad055523a88894"
+  },
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      12.0,
+      101.0
+    ],
+    [
+      80.0,
+      300.0
+    ],
+    [
+      853.0,
+      484.0
+    ],
+    [
+      703.0,
+      724.0
+    ],
+    [
+      638.0,
+      655.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    1
+  ],
+  "box_uv": [
+    0.0,
+    0.0,
+    931.0,
+    804.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Sparse follow-up for material black-coat and broad bracelet omissions in the v1 preview. Move redundant lower-sleeve point (81,542) to native-confirmed omitted central coat (80,300); move bracelet seed onto its visible upper metal link (638,655). Retain face and both hand positives. Five total positives, same box/t0, supersede=true. Preserve real blue background gap between torso and upper arm. Same SAM2; preview required before propagation.",
+  "seed_mask_file": "t0000_v02_seed_mask.npz",
+  "seed_mask_sha256": "c50d7c0a4c5627732abdec67b635e0f93a312807bcc63265aa546bd67461a3b9",
+  "seed_mask_pixels": 277897,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-27T23:53:21Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..eee8b33711d2bfd2f888e51785368540ca09784d
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/annotations/prompts/17736741/occluder/t0000_v02_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c50d7c0a4c5627732abdec67b635e0f93a312807bcc63265aa546bd67461a3b9
+size 8137
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/draft_dispatch_revision.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/draft_dispatch_revision.json
new file mode 100644
index 0000000000000000000000000000000000000000..b610c728163e1e44b96a403f160729e087cd17b4
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/draft_dispatch_revision.json
@@ -0,0 +1,7 @@
+{
+  "dispatch_file": "proposal_prompts_c6a_v1.json",
+  "revision_file": "proposal_prompts_c6a_v2.json",
+  "preserved_previous": "proposal_prompts_c6a_before_accessories.json",
+  "reason": "Add explicit bracelet positive to whole-person occluder before first proposal execution; no annotation/mask existed.",
+  "owner_mask_accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect.log
new file mode 100644
index 0000000000000000000000000000000000000000..4237c3f18c90813a17c7b379753927cb2beaa24e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect.log
@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz and /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/inspection.json
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect_command.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect_command.json
new file mode 100644
index 0000000000000000000000000000000000000000..58dd738d5353dfeda0c383609fccacd36f292c69
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspect_command.json
@@ -0,0 +1,15 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "inspect",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--window",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/phystwin_window.yaml",
+  "--frame-association",
+  "anchor_nearest",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection",
+  "--sample-t",
+  "0"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/frames.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/frames.npz
new file mode 100644
index 0000000000000000000000000000000000000000..e2d79a647dad7b6756be31452caa394a1ebbeda7
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/frames.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2558ee725f552eb9d9a2fe990425fd0522c177372b403fb56799b4c904779366
+size 72008
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/inspection.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/inspection.json
new file mode 100644
index 0000000000000000000000000000000000000000..c5710e3fa002fcb069dfbe1399ba3a9f033f5da7
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/inspection/inspection.json
@@ -0,0 +1,344 @@
+{
+  "frame_count": 277,
+  "transition_count": 276,
+  "sync_index_half_open": [
+    277,
+    554
+  ],
+  "anchor_time_ns_first_last": [
+    1790046383482492843,
+    1790046392715443845
+  ],
+  "anchor_span_s": 9.232951002,
+  "anchor_interval_ms": {
+    "min": 28.648903999999998,
+    "median": 33.45990449999999,
+    "max": 38.361985
+  },
+  "anchor_view": 2,
+  "world_frame": "table",
+  "physics_frame": "table",
+  "physics_T_world": [
+    [
+      1.0,
+      0.0,
+      0.0,
+      0.0
+    ],
+    [
+      0.0,
+      1.0,
+      0.0,
+      0.0
+    ],
+    [
+      0.0,
+      0.0,
+      1.0,
+      0.0
+    ],
+    [
+      0.0,
+      0.0,
+      0.0,
+      1.0
+    ]
+  ],
+  "views": [
+    {
+      "serial": "12540311",
+      "rgb_stream_id": "zed_12540311_left_rgb",
+      "depth_stream_id": "zed_12540311_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        278,
+        555
+      ],
+      "distinct_frames": 269,
+      "repeated_steps": 8,
+      "skipping_steps": 8,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": -18.196438999999998,
+        "median": 15.905705,
+        "max": 16.821244999999998
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1505.6656494140625,
+        1505.6656494140625,
+        975.812255859375,
+        520.2508544921875
+      ],
+      "world_T_camera_translation_m": [
+        0.37861749362037694,
+        0.35865096273259595,
+        0.9747715436172444
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "12933256",
+      "rgb_stream_id": "zed_12933256_left_rgb",
+      "depth_stream_id": "zed_12933256_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        277,
+        553
+      ],
+      "distinct_frames": 276,
+      "repeated_steps": 1,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": -30.950978,
+        "median": -1.0061799999999999,
+        "max": 2.2160699999999998
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1485.0516357421875,
+        1485.0516357421875,
+        1016.4952392578125,
+        529.3892822265625
+      ],
+      "world_T_camera_translation_m": [
+        0.6950866726146973,
+        -0.8347046984835544,
+        0.5782811473286448
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "17736741",
+      "rgb_stream_id": "zed_17736741_left_rgb",
+      "depth_stream_id": "zed_17736741_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        277,
+        554
+      ],
+      "distinct_frames": 277,
+      "repeated_steps": 0,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": 0.0,
+        "median": 0.0,
+        "max": 0.0
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1509.0516357421875,
+        1509.0516357421875,
+        954.2996826171875,
+        518.1405029296875
+      ],
+      "world_T_camera_translation_m": [
+        -0.33081317530788323,
+        0.3636141220708792,
+        0.9671273536451334
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "23007103",
+      "rgb_stream_id": "zed_23007103_left_rgb",
+      "depth_stream_id": "zed_23007103_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        278,
+        555
+      ],
+      "distinct_frames": 277,
+      "repeated_steps": 0,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": 3.299525,
+        "median": 6.506850999999999,
+        "max": 11.074391
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1054.3277587890625,
+        1054.3277587890625,
+        969.4076538085938,
+        516.39306640625
+      ],
+      "world_T_camera_translation_m": [
+        -0.5916520560802326,
+        -0.6322488212026725,
+        0.5168520851731121
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    }
+  ],
+  "lineage": {
+    "session_id": "session_20260921_230550_636767",
+    "session_path": "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+    "window_path": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/phystwin_window.yaml",
+    "window_sha256": "6f6d0d07030349317f6b46b0aa4a86b7f13bd6e858b3282f6612145eef875175",
+    "window_resolved": {
+      "duration_s": 9.232951,
+      "end_anchor_timestamp_ns": 1790046392715443845,
+      "end_sync_index_exclusive": 554,
+      "frame_count": 277,
+      "start_anchor_timestamp_ns": 1790046383482492843,
+      "start_sync_index": 277
+    },
+    "manual_annotation_ns": [
+      1790046383482492843,
+      1790046392715443845
+    ],
+    "anchor_stream_id": "zed_17736741_left_rgb",
+    "sync_clock": "sync_time_ns (host_unix_time_ns)",
+    "device_clock": "device_time_ns",
+    "frame_association": "nearest per view to each anchor time, ties to the earlier frame, no tolerance",
+    "intrinsics_source": "metadata/calibration.json camera_intrinsics at the recorded stream size",
+    "calibration": {
+      "package_dir": "metadata/calibration_package",
+      "world_frame": "table",
+      "pose_source": "phase_05_final",
+      "final_transform_source": "combined_fixed_movable_ba",
+      "source_run_name": "20260921_200440",
+      "candidate_pose_set_name": "fixed020_movable1",
+      "world_T_camera_bundle": "world_T_camera_by_serial.npz",
+      "world_T_camera_bundle_sha256": "2bcc404a8e3c4315527d0573dfdecaac7feec797a2b8cb5b581fbe9f94fbf8d5"
+    }
+  },
+  "samples": [
+    {
+      "t": 0,
+      "serial": "12540311",
+      "converted_frame_index": 278,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 5000
+      },
+      "depth_zero_fraction": 0.026608796296296297,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.596,
+        1.31,
+        5.0
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "12933256",
+      "converted_frame_index": 277,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 6607
+      },
+      "depth_zero_fraction": 0.036158854166666664,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.548,
+        1.254,
+        6.607
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "17736741",
+      "converted_frame_index": 277,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 3655
+      },
+      "depth_zero_fraction": 0.01781057098765432,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.581,
+        1.1500000000000001,
+        3.6550000000000002
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "23007103",
+      "converted_frame_index": 278,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 4788
+      },
+      "depth_zero_fraction": 0.04595775462962963,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.481,
+        1.062,
+        4.788
+      ]
+    }
+  ]
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_A/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_A/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..9717e29ae9012661d92599daa31cc9a42c8ee0d3
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_A/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f3eaf63247ca1c4ff2bf670804a06a28614da964b770d76a4ce66bc98c2625d
+size 374506
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_B/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_B/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..3c09814294640342b83637a7b282e759ffa8f918
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/hand_B/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5404c4970cad2cb8c88cc71bd72969b5cc31c00bb7fe2027dc8952c949e5ccc2
+size 370098
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/object/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/object/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..e8f7e9ee7eb12e92ba2ec61edcab330f5f7011c3
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/object/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:894557c6b3e554c97d43c94d0de6a65ae579ba433081078a2ba31f824d592c85
+size 353492
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..eb3e69fc252480b1a18cd08518bab4ffd52bfcdc
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:988093678e72f9ebc594b6426f120d7363688bd10fc202d6c58a95ea6bbd2eb5
+size 1587612
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0002_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0002_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..d45c38a376175dae3b43189406b9043e777558ac
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/masks/17736741/occluder/run0002_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d76da5328758bcd46a72ade0adc13427f7db9ece448d1f75e5852172e685e2c
+size 1577944
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/phystwin_window.yaml b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/phystwin_window.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..21cf75d47b1f1883c0efff000c57081c0815b8c8
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/phystwin_window.yaml
@@ -0,0 +1,88 @@
+schema_version: 1
+kind: phystwin_interaction_window
+session:
+  path: /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+  session_id: session_20260921_230550_636767
+annotation_interface:
+  method: rerun
+  rerun_timeline: sync_time_ns
+  rerun_launch_command: uv run --no-sync python -m dataset_converter.visualize_rerun
+    --session-path /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+    --sensor-types zed
+  timestamp_copy_instructions: Scrub the sync_time_ns timeline in Rerun. Copy the
+    current integer-nanosecond timestamp at the desired start/end moments.
+  notes: ''
+timebase:
+  policy: native_anchor_overlap
+  sync_policy: AnchorStreamSyncPolicy
+  overlap: true
+  anchor_serial: '17736741'
+  anchor_stream_id: zed_17736741_left_rgb
+  timestamp_unit: ns
+  timestamp_reference: sync_time_ns
+  period_ns_estimate: 33447517
+  fps_estimate: 29.897586
+manual_annotation:
+  start_global_timestamp_ns: 1790046383482492843
+  end_global_timestamp_ns: 1790046392715443845
+  start_condition: hand_or_forearm_visible_and_in_contact_with_object
+  end_condition: before_release_or_contact_break
+  expected_visible_hands_or_arms: 2
+  object_description: taped round belt
+  controller_description: 'hand_A = person''s right hand, bracelet; hand_B = left
+    hand. Participating: hand_A+hand_B'
+  annotator_notes: 'C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed
+    interaction. Start = last participating hand (hand_B, person''s left) closes its
+    fingertip pinch on the far side of the belt: fingertips reach the belt at anchor
+    ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet)
+    had already wrapped the near side ~anchor 267-272. End = last frame before the
+    first release: hand_B''s pinch is intact through anchor 554 and its fingers open/lift
+    at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in
+    17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over
+    277-555.'
+resolved_window:
+  start_sync_index: 277
+  end_sync_index_exclusive: 554
+  start_anchor_timestamp_ns: 1790046383482492843
+  end_anchor_timestamp_ns: 1790046392715443845
+  frame_count: 277
+  duration_s: 9.232951
+per_camera_resolution:
+  '12540311':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383497843427
+    end_source_timestamp_ns: 1790046392730699253
+    start_delta_ns: 15350584
+    end_delta_ns: 15255408
+  '12933256':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 553
+    start_source_timestamp_ns: 1790046383481543315
+    end_source_timestamp_ns: 1790046392716396353
+    start_delta_ns: -949528
+    end_delta_ns: 952508
+  '17736741':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 554
+    start_source_timestamp_ns: 1790046383482492843
+    end_source_timestamp_ns: 1790046392715443845
+    start_delta_ns: 0
+    end_delta_ns: 0
+  '23007103':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383488120363
+    end_source_timestamp_ns: 1790046392721900075
+    start_delta_ns: 5627520
+    end_delta_ns: 6456230
+validation:
+  within_all_camera_overlap: true
+  start_before_end: true
+  min_abs_camera_delta_ns: 0
+  max_abs_camera_delta_ns: 15350584
+  warnings: []
+created_by: manual
+created_at: '2026-10-27T19:23:48+00:00'
+updated_at: '2026-10-27T19:23:48+00:00'
+
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1.log
new file mode 100644
index 0000000000000000000000000000000000000000..30a43848906a8b2f4b60387b97decee506096f2c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1.log
@@ -0,0 +1 @@
+17736741/occluder t=0: 212425 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_preview_c6a_accessory_sparse_v1/17736741/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..3e9315d6618db0575bde550847d2ce869214a48d
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_argv.json
@@ -0,0 +1,20 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v1.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_preview_c6a_accessory_sparse_v1",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--preview-only"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..fa7e142967451c6a6319e702973e97878ad774e2
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v1_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 7.602792501449585,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2.log
new file mode 100644
index 0000000000000000000000000000000000000000..ffa7983a56d38885045ee6e446fec8fce57881da
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2.log
@@ -0,0 +1 @@
+17736741/occluder t=0: 277897 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_preview_c6a_accessory_sparse_v2/17736741/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..480be8324918aa2bef8ab8af1c255cfe88f848a4
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_argv.json
@@ -0,0 +1,20 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v2.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_preview_c6a_accessory_sparse_v2",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--preview-only"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..c7bad06df5bbd14fc8b3e468efabaca335dcc269
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_c6a_accessory_sparse_v2_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 7.295495986938477,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_selection_c6a_accessory_sparse_v2.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_selection_c6a_accessory_sparse_v2.json
new file mode 100644
index 0000000000000000000000000000000000000000..d24a50db80476603505674a724a43d6c572441c2
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/preview_selection_c6a_accessory_sparse_v2.json
@@ -0,0 +1,4 @@
+{
+  "agent_review": "Recovered broad central/lower coat and sleeves with hands/bracelet retained. Disclose irregular holes at lower coat/underarm and several bright bracelet links; no filling or different method.",
+  "owner_accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..378ec4abbd231e884d6ba747cf5fd13d2618f1fd
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2.log
@@ -0,0 +1,12 @@
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 35.20it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:09, 28.95it/s]
propagate in video:   4%|▍         | 11/277 [00:00<00:09, 28.10it/s]
propagate in video:   5%|▌         | 14/277 [00:00<00:09, 27.67it/s]
propagate in video:   6%|▌         | 17/277 [00:00<00:09, 27.31it/s]
propagate in video:   7%|▋         | 20/277 [00:00<00:09, 27.16it/s]
propagate in video:   8%|▊         | 23/277 [00:00<00:09, 27.04it/s]
propagate in video:   9%|▉         | 26/277 [00:00<00:09, 26.92it/s]
propagate in video:  10%|█         | 29/277 [00:01<00:09, 26.86it/s]
propagate in video:  12%|█▏        | 32/277 [00:01<00:09, 26.82it/s]
propagate in video:  13%|█▎        | 35/277 [00:01<00:09, 26.84it/s]
propagate in video:  14%|█▎        | 38/277 [00:01<00:08, 26.88it/s]
propagate in video:  15%|█▍        | 41/277 [00:01<00:08, 26.86it/s]
propagate in video:  16%|█▌        | 44/277 [00:01<00:08, 26.87it/s]
propagate in video:  17%|█▋        | 47/277 [00:01<00:08, 26.88it/s]
propagate in video:  18%|█▊        | 50/277 [00:01<00:08, 26.84it/s]
propagate in video:  19%|█▉        | 53/277 [00:01<00:08, 26.89it/s]
propagate in video:  20%|██        | 56/277 [00:02<00:08, 26.87it/s]
propagate in video:  21%|██▏       | 59/277 [00:02<00:08, 26.82it/s]
propagate in video:  22%|██▏       | 62/277 [00:02<00:08, 26.75it/s]
propagate in video:  23%|██▎       | 65/277 [00:02<00:07, 26.67it/s]
propagate in video:  25%|██▍       | 68/277 [00:02<00:07, 26.62it/s]
propagate in video:  26%|██▌       | 71/277 [00:02<00:07, 26.63it/s]
propagate in video:  27%|██▋       | 74/277 [00:02<00:07, 26.62it/s]
propagate in video:  28%|██▊       | 77/277 [00:02<00:07, 26.62it/s]
propagate in video:  29%|██▉       | 80/277 [00:02<00:07, 26.70it/s]
propagate in video:  30%|██▉       | 83/277 [00:03<00:07, 26.68it/s]
propagate in video:  31%|███       | 86/277 [00:03<00:07, 26.53it/s]
propagate in video:  32%|███▏      | 89/277 [00:03<00:07, 25.98it/s]
propagate in video:  33%|███▎      | 92/277 [00:03<00:07, 26.10it/s]
propagate in video:  34%|███▍      | 95/277 [00:03<00:06, 26.11it/s]
propagate in video:  35%|███▌      | 98/277 [00:03<00:06, 26.26it/s]
propagate in video:  36%|███▋      | 101/277 [00:03<00:06, 26.37it/s]
propagate in video:  38%|███▊      | 104/277 [00:03<00:06, 26.36it/s]
propagate in video:  39%|███▊      | 107/277 [00:03<00:06, 26.36it/s]
propagate in video:  40%|███▉      | 110/277 [00:04<00:06, 26.34it/s]
propagate in video:  41%|████      | 113/277 [00:04<00:06, 26.42it/s]
propagate in video:  42%|████▏     | 116/277 [00:04<00:06, 26.51it/s]
propagate in video:  43%|████▎     | 119/277 [00:04<00:05, 26.56it/s]
propagate in video:  44%|████▍     | 122/277 [00:04<00:05, 26.59it/s]
propagate in video:  45%|████▌     | 125/277 [00:04<00:05, 26.60it/s]
propagate in video:  46%|████▌     | 128/277 [00:04<00:05, 26.62it/s]
propagate in video:  47%|████▋     | 131/277 [00:04<00:05, 26.53it/s]
propagate in video:  48%|████▊     | 134/277 [00:05<00:05, 26.57it/s]
propagate in video:  49%|████▉     | 137/277 [00:05<00:05, 26.60it/s]
propagate in video:  51%|█████     | 140/277 [00:05<00:05, 26.61it/s]
propagate in video:  52%|█████▏    | 143/277 [00:05<00:05, 26.61it/s]
propagate in video:  53%|█████▎    | 146/277 [00:05<00:04, 26.64it/s]
propagate in video:  54%|█████▍    | 149/277 [00:05<00:04, 26.63it/s]
propagate in video:  55%|█████▍    | 152/277 [00:05<00:04, 26.48it/s]
propagate in video:  56%|█████▌    | 155/277 [00:05<00:04, 26.57it/s]
propagate in video:  57%|█████▋    | 158/277 [00:05<00:04, 26.63it/s]
propagate in video:  58%|█████▊    | 161/277 [00:06<00:04, 26.65it/s]
propagate in video:  59%|█████▉    | 164/277 [00:06<00:04, 26.66it/s]
propagate in video:  60%|██████    | 167/277 [00:06<00:04, 26.65it/s]
propagate in video:  61%|██████▏   | 170/277 [00:06<00:04, 26.67it/s]
propagate in video:  62%|██████▏   | 173/277 [00:06<00:03, 26.59it/s]
propagate in video:  64%|██████▎   | 176/277 [00:06<00:03, 26.58it/s]
propagate in video:  65%|██████▍   | 179/277 [00:06<00:03, 26.52it/s]
propagate in video:  66%|██████▌   | 182/277 [00:06<00:03, 26.56it/s]
propagate in video:  67%|██████▋   | 185/277 [00:06<00:03, 26.54it/s]
propagate in video:  68%|██████▊   | 188/277 [00:07<00:03, 26.57it/s]
propagate in video:  69%|██████▉   | 191/277 [00:07<00:03, 26.59it/s]
propagate in video:  70%|███████   | 194/277 [00:07<00:03, 26.58it/s]
propagate in video:  71%|███████   | 197/277 [00:07<00:03, 26.58it/s]
propagate in video:  72%|███████▏  | 200/277 [00:07<00:02, 26.64it/s]
propagate in video:  73%|███████▎  | 203/277 [00:07<00:02, 26.66it/s]
propagate in video:  74%|███████▍  | 206/277 [00:07<00:02, 26.65it/s]
propagate in video:  75%|███████▌  | 209/277 [00:07<00:02, 26.62it/s]
propagate in video:  77%|███████▋  | 212/277 [00:07<00:02, 26.60it/s]
propagate in video:  78%|███████▊  | 215/277 [00:08<00:02, 26.64it/s]
propagate in video:  79%|███████▊  | 218/277 [00:08<00:02, 26.67it/s]
propagate in video:  80%|███████▉  | 221/277 [00:08<00:02, 26.67it/s]
propagate in video:  81%|████████  | 224/277 [00:08<00:01, 26.65it/s]
propagate in video:  82%|████████▏ | 227/277 [00:08<00:01, 26.64it/s]
propagate in video:  83%|████████▎ | 230/277 [00:08<00:01, 26.58it/s]
propagate in video:  84%|████████▍ | 233/277 [00:08<00:01, 26.61it/s]
propagate in video:  85%|████████▌ | 236/277 [00:08<00:01, 26.57it/s]
propagate in video:  86%|████████▋ | 239/277 [00:08<00:01, 26.57it/s]
propagate in video:  87%|████████▋ | 242/277 [00:09<00:01, 26.59it/s]
propagate in video:  88%|████████▊ | 245/277 [00:09<00:01, 26.61it/s]
propagate in video:  90%|████████▉ | 248/277 [00:09<00:01, 26.58it/s]
propagate in video:  91%|█████████ | 251/277 [00:09<00:00, 26.56it/s]
propagate in video:  92%|█████████▏| 254/277 [00:09<00:00, 26.57it/s]
propagate in video:  93%|█████████▎| 257/277 [00:09<00:00, 26.58it/s]
propagate in video:  94%|█████████▍| 260/277 [00:09<00:00, 26.58it/s]
propagate in video:  95%|█████████▍| 263/277 [00:09<00:00, 26.47it/s]
propagate in video:  96%|█████████▌| 266/277 [00:09<00:00, 26.34it/s]
propagate in video:  97%|█████████▋| 269/277 [00:10<00:00, 26.46it/s]
propagate in video:  98%|█████████▊| 272/277 [00:10<00:00, 26.48it/s]
propagate in video:  99%|█████████▉| 275/277 [00:10<00:00, 26.52it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.68it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks/17736741/object/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 36.55it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:09, 29.40it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.23it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 27.66it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.47it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 27.30it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 26.96it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 26.94it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 26.90it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.92it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:08, 26.93it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.94it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.94it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.80it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.88it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.92it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.92it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.91it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.92it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:07, 26.86it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.82it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.78it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.80it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.84it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.86it/s]
propagate in video:  29%|██▉       | 81/277 [00:02<00:07, 26.87it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.84it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.84it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:06, 26.86it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.89it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.86it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.91it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.86it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.87it/s]
propagate in video:  39%|███▉      | 108/277 [00:03<00:06, 26.86it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.80it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.82it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:05, 26.81it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.72it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.61it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.59it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.51it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.60it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.23it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.12it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.20it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:05, 26.32it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.27it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.40it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.27it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.32it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.43it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.45it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.40it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.49it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:03, 26.52it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.55it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.58it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.60it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.57it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.58it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.60it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.59it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.61it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.63it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.60it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.52it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.52it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.51it/s]
propagate in video:  77%|███████▋  | 213/277 [00:07<00:02, 26.41it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.47it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.50it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.55it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.49it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.43it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.49it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.52it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.34it/s]
propagate in video:  87%|████████▋ | 240/277 [00:08<00:01, 26.40it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.47it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.27it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 26.39it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 26.48it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.53it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.57it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.04it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.22it/s]
propagate in video:  96%|█████████▋| 267/277 [00:09<00:00, 26.33it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.42it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.39it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.37it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.69it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks/17736741/hand_A/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 36.40it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:08, 30.01it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.46it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 27.95it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.62it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 27.41it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 27.20it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 27.05it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 26.96it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.89it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:08, 26.82it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.80it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.82it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.84it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.83it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.79it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.78it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.73it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.70it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 26.69it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.69it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.65it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.69it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.69it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.70it/s]
propagate in video:  29%|██▉       | 81/277 [00:02<00:07, 26.72it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.72it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.70it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:06, 26.72it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.74it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.73it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.71it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.68it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.68it/s]
propagate in video:  39%|███▉      | 108/277 [00:03<00:06, 26.65it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.30it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.35it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 26.42it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.46it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.52it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.56it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.53it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.54it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.55it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.58it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.57it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:05, 26.56it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.54it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.51it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.55it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.58it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.57it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.56it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.39it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.38it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:04, 26.42it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.45it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.44it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.47it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.51it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.49it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.51it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.51it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.53it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.56it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.58it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.57it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.56it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.57it/s]
propagate in video:  77%|███████▋  | 213/277 [00:07<00:02, 26.57it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.57it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.48it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.50it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.56it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.55it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.49it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.54it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.51it/s]
propagate in video:  87%|████████▋ | 240/277 [00:08<00:01, 26.55it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.52it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.52it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 26.56it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 26.57it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.55it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.55it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.56it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.58it/s]
propagate in video:  96%|█████████▋| 267/277 [00:09<00:00, 26.59it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.58it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.48it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.38it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.70it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks/17736741/hand_B/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 36.45it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:08, 30.03it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.48it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 27.95it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.59it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 27.35it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 27.11it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 27.00it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 26.93it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.87it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:08, 26.84it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.84it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.78it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.75it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.45it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.57it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.60it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.62it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.62it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 26.67it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.68it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.63it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.65it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.71it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.72it/s]
propagate in video:  29%|██▉       | 81/277 [00:02<00:07, 26.74it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.78it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.75it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:06, 26.73it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.72it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.69it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.68it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.64it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.53it/s]
propagate in video:  39%|███▉      | 108/277 [00:04<00:06, 26.39it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.47it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.50it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 26.52it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.56it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.57it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.60it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.66it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.63it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.62it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.63it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.63it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:04, 26.65it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.66it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.59it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.59it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.58it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.58it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.59it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.59it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.56it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:03, 26.60it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.59it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.52it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.48it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.48it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.51it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.50it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.51it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.53it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.51it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.55it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.55it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.52it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.54it/s]
propagate in video:  77%|███████▋  | 213/277 [00:07<00:02, 26.54it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.54it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.41it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.48it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.52it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.53it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.56it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.55it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.57it/s]
propagate in video:  87%|████████▋ | 240/277 [00:08<00:01, 26.59it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.61it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.63it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 26.65it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 26.63it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.60it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.61it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.58it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.58it/s]
propagate in video:  96%|█████████▋| 267/277 [00:09<00:00, 26.59it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.56it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.59it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.59it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.71it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks/17736741/occluder/run0001_t0000-0277.npz
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..d8ce9b8a9a21264d57b1da03eff93cbf8eba624e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_argv.json
@@ -0,0 +1,33 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propagate",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks",
+  "--view",
+  "17736741",
+  "--instance",
+  "object",
+  "--instance",
+  "hand_A",
+  "--instance",
+  "hand_B",
+  "--instance",
+  "occluder",
+  "--t-start",
+  "0",
+  "--t-stop",
+  "277",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--note",
+  "C6a resumed after power interruption; same pinned predictor and prompts; owner acceptance pending"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..2eda62fef38f030f1a56eeda20cd0f681e064f99
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 100.07313084602356,
+  "started_unix": 1793138603.050072,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2.log
new file mode 100644
index 0000000000000000000000000000000000000000..2bbe677c1017eeee4684ea7502a19bd93641d171
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2.log
@@ -0,0 +1,3 @@
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|          | 3/277 [00:00<00:12, 21.75it/s]
propagate in video:   2%|▏         | 6/277 [00:00<00:10, 24.98it/s]
propagate in video:   3%|▎         | 9/277 [00:00<00:10, 25.98it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:10, 26.34it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 26.55it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:10, 25.05it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:10, 24.48it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:10, 24.80it/s]
propagate in video:  10%|▉         | 27/277 [00:01<00:09, 25.37it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 24.90it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:10, 22.95it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:10, 22.56it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:10, 22.71it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:10, 22.82it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:09, 23.68it/s]
propagate in video:  17%|█▋        | 48/277 [00:02<00:09, 23.03it/s]
propagate in video:  18%|█▊        | 51/277 [00:02<00:09, 24.06it/s]
propagate in video:  19%|█▉        | 54/277 [00:02<00:09, 24.48it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:09, 23.48it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:09, 24.01it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 24.69it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:08, 25.22it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:08, 25.22it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:08, 25.08it/s]
propagate in video:  27%|██▋       | 75/277 [00:03<00:07, 25.33it/s]
propagate in video:  28%|██▊       | 78/277 [00:03<00:07, 25.49it/s]
propagate in video:  29%|██▉       | 81/277 [00:03<00:07, 25.21it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 25.67it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 25.71it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:07, 26.12it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.44it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.00it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 25.66it/s]
propagate in video:  37%|███▋      | 102/277 [00:04<00:06, 25.14it/s]
propagate in video:  38%|███▊      | 105/277 [00:04<00:06, 25.27it/s]
propagate in video:  39%|███▉      | 108/277 [00:04<00:07, 22.95it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:07, 21.92it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:07, 22.95it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 23.88it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:06, 24.66it/s]
propagate in video:  44%|████▍     | 123/277 [00:05<00:06, 25.19it/s]
propagate in video:  45%|████▌     | 126/277 [00:05<00:05, 25.62it/s]
propagate in video:  47%|████▋     | 129/277 [00:05<00:05, 25.94it/s]
propagate in video:  48%|████▊     | 132/277 [00:05<00:05, 26.06it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 25.24it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 25.31it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 25.50it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:05, 25.01it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:05, 25.33it/s]
propagate in video:  54%|█████▍    | 150/277 [00:06<00:05, 25.39it/s]
propagate in video:  55%|█████▌    | 153/277 [00:06<00:04, 25.72it/s]
propagate in video:  56%|█████▋    | 156/277 [00:06<00:04, 25.87it/s]
propagate in video:  57%|█████▋    | 159/277 [00:06<00:04, 26.12it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 23.81it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 24.16it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 24.79it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:04, 25.28it/s]
propagate in video:  63%|██████▎   | 174/277 [00:07<00:04, 24.43it/s]
propagate in video:  64%|██████▍   | 177/277 [00:07<00:04, 24.75it/s]
propagate in video:  65%|██████▍   | 180/277 [00:07<00:03, 24.99it/s]
propagate in video:  66%|██████▌   | 183/277 [00:07<00:03, 25.43it/s]
propagate in video:  67%|██████▋   | 186/277 [00:07<00:03, 25.50it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 25.84it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.06it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.22it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:03, 26.31it/s]
propagate in video:  73%|███████▎  | 201/277 [00:08<00:02, 26.38it/s]
propagate in video:  74%|███████▎  | 204/277 [00:08<00:02, 26.41it/s]
propagate in video:  75%|███████▍  | 207/277 [00:08<00:02, 26.44it/s]
propagate in video:  76%|███████▌  | 210/277 [00:08<00:02, 26.48it/s]
propagate in video:  77%|███████▋  | 213/277 [00:08<00:02, 26.52it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.52it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.54it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.58it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.56it/s]
propagate in video:  82%|████████▏ | 228/277 [00:09<00:01, 26.53it/s]
propagate in video:  83%|████████▎ | 231/277 [00:09<00:01, 26.30it/s]
propagate in video:  84%|████████▍ | 234/277 [00:09<00:01, 26.36it/s]
propagate in video:  86%|████████▌ | 237/277 [00:09<00:01, 26.37it/s]
propagate in video:  87%|████████▋ | 240/277 [00:09<00:01, 26.40it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.22it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.27it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 24.98it/s]
propagate in video:  91%|█████████ | 252/277 [00:10<00:00, 25.44it/s]
propagate in video:  92%|█████████▏| 255/277 [00:10<00:00, 25.79it/s]
propagate in video:  93%|█████████▎| 258/277 [00:10<00:00, 26.04it/s]
propagate in video:  94%|█████████▍| 261/277 [00:10<00:00, 26.17it/s]
propagate in video:  95%|█████████▌| 264/277 [00:10<00:00, 26.26it/s]
propagate in video:  96%|█████████▋| 267/277 [00:10<00:00, 26.40it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.46it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.21it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.09it/s]
propagate in video: 100%|██████████| 277/277 [00:11<00:00, 25.14it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks/17736741/occluder/run0002_t0000-0277.npz
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..7eee416c32d928e5ce11bb1574e85411da15ef34
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_argv.json
@@ -0,0 +1,27 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propagate",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks",
+  "--view",
+  "17736741",
+  "--instance",
+  "occluder",
+  "--t-start",
+  "0",
+  "--t-stop",
+  "277",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--note",
+  "C6a agent correction; no owner acceptance"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..9f46c0287295be2b72c543d9dff4377877df6865
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propagate_17736741_occluder_c6a_accessory_sparse_v2_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 26.144953727722168,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v1.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v1.json
new file mode 100644
index 0000000000000000000000000000000000000000..5785f8a244798a0d47c2d48883f758f0c8b434c3
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v1.json
@@ -0,0 +1,48 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "17736741",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          12,
+          101
+        ],
+        [
+          81,
+          542
+        ],
+        [
+          853,
+          484
+        ],
+        [
+          703,
+          724
+        ],
+        [
+          634,
+          670
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1
+      ],
+      "box": [
+        0.0,
+        0.0,
+        931.0,
+        804.0
+      ],
+      "supersede": true,
+      "note": "Owner-directed sparse replacement for the full-person occluder: five total points selected after re-inspecting this exact own-camera native t0 RGB. Include visible body, sleeves, bare arms, hands and bracelet; preserve real background gaps and exclude the object. Hand masks are unchanged. Box preserved. Preview and propagation review required; no owner acceptance."
+    }
+  ],
+  "notes": "Sparse successor to the retained dense draft. Native evidence re-inspected 2026-10-27. Same SAM2 method; no multipart union or mask filling. Root owns preview and application."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v2.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v2.json
new file mode 100644
index 0000000000000000000000000000000000000000..6b3b3b13a2404bcbe7ba4587a49d877e4b16a827
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v2.json
@@ -0,0 +1,48 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "17736741",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          12,
+          101
+        ],
+        [
+          80,
+          300
+        ],
+        [
+          853,
+          484
+        ],
+        [
+          703,
+          724
+        ],
+        [
+          638,
+          655
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1
+      ],
+      "box": [
+        0.0,
+        0.0,
+        931.0,
+        804.0
+      ],
+      "supersede": true,
+      "note": "Sparse follow-up for material black-coat and broad bracelet omissions in the v1 preview. Move redundant lower-sleeve point (81,542) to native-confirmed omitted central coat (80,300); move bracelet seed onto its visible upper metal link (638,655). Retain face and both hand positives. Five total positives, same box/t0, supersede=true. Preserve real blue background gap between torso and upper arm. Same SAM2; preview required before propagation."
+    }
+  ],
+  "notes": "Sparse successor to the retained dense draft. Native evidence re-inspected 2026-10-27. Same SAM2 method; no multipart union or mask filling. Root owns preview and application."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_before_accessories.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_before_accessories.json
new file mode 100644
index 0000000000000000000000000000000000000000..9fe22b38c1762762723e07db969b3a3d1d19afd3
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_before_accessories.json
@@ -0,0 +1,245 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "17736741",
+      "instance": "object",
+      "t": 0,
+      "points": [
+        [
+          802,
+          556
+        ],
+        [
+          932,
+          579
+        ],
+        [
+          985,
+          640
+        ],
+        [
+          949,
+          713
+        ],
+        [
+          840,
+          745
+        ],
+        [
+          706,
+          622
+        ],
+        [
+          843,
+          640
+        ],
+        [
+          748,
+          735
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        695,
+        542,
+        997,
+        754
+      ],
+      "note": "Visible orange cord; exclude interior and both grasping hands."
+    },
+    {
+      "serial": "17736741",
+      "instance": "hand_A",
+      "t": 0,
+      "points": [
+        [
+          521,
+          640
+        ],
+        [
+          594,
+          668
+        ],
+        [
+          692,
+          700
+        ],
+        [
+          750,
+          754
+        ],
+        [
+          633,
+          672
+        ],
+        [
+          422,
+          628
+        ],
+        [
+          844,
+          744
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        469,
+        594,
+        810,
+        802
+      ],
+      "note": "Physical right bracelet hand: bare forearm through fingertips, excluding bracelet and black cuff."
+    },
+    {
+      "serial": "17736741",
+      "instance": "hand_B",
+      "t": 0,
+      "points": [
+        [
+          683,
+          403
+        ],
+        [
+          753,
+          447
+        ],
+        [
+          837,
+          470
+        ],
+        [
+          880,
+          528
+        ],
+        [
+          594,
+          386
+        ],
+        [
+          921,
+          568
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        636,
+        359,
+        927,
+        568
+      ],
+      "note": "Physical left bare forearm and pinching hand; exclude sleeve and orange cord."
+    },
+    {
+      "serial": "17736741",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          12,
+          101
+        ],
+        [
+          74,
+          312
+        ],
+        [
+          81,
+          542
+        ],
+        [
+          301,
+          230
+        ],
+        [
+          546,
+          350
+        ],
+        [
+          731,
+          441
+        ],
+        [
+          853,
+          484
+        ],
+        [
+          308,
+          579
+        ],
+        [
+          542,
+          649
+        ],
+        [
+          703,
+          724
+        ],
+        [
+          632,
+          675
+        ],
+        [
+          408,
+          457
+        ],
+        [
+          843,
+          641
+        ],
+        [
+          637,
+          900
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        0,
+        0,
+        931,
+        804
+      ],
+      "note": "Whole visible human including partial face at upper-left, torso, both sleeves, bare forearms, bracelet and hands; exclude robot and table."
+    }
+  ],
+  "notes": "Native 1920x1080 t0 grid inspected for this exact camera. Camera-native sequence length 277; no cross-camera equal-length assumption. Physical right bracelet hand is A, physical left hand is B. Agent proposal only; no acceptance and no case writes."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_v1.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_v1.json
new file mode 100644
index 0000000000000000000000000000000000000000..14a7fde2b9dc4da495cdc2f64318c15c35baebb1
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/proposal_prompts_c6a_v1.json
@@ -0,0 +1,250 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "17736741",
+      "instance": "object",
+      "t": 0,
+      "points": [
+        [
+          802,
+          556
+        ],
+        [
+          932,
+          579
+        ],
+        [
+          985,
+          640
+        ],
+        [
+          949,
+          713
+        ],
+        [
+          840,
+          745
+        ],
+        [
+          706,
+          622
+        ],
+        [
+          843,
+          640
+        ],
+        [
+          748,
+          735
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        695,
+        542,
+        997,
+        754
+      ],
+      "note": "Visible orange cord; exclude interior and both grasping hands."
+    },
+    {
+      "serial": "17736741",
+      "instance": "hand_A",
+      "t": 0,
+      "points": [
+        [
+          521,
+          640
+        ],
+        [
+          594,
+          668
+        ],
+        [
+          692,
+          700
+        ],
+        [
+          750,
+          754
+        ],
+        [
+          633,
+          672
+        ],
+        [
+          422,
+          628
+        ],
+        [
+          844,
+          744
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        469,
+        594,
+        810,
+        802
+      ],
+      "note": "Physical right bracelet hand: bare forearm through fingertips, excluding bracelet and black cuff."
+    },
+    {
+      "serial": "17736741",
+      "instance": "hand_B",
+      "t": 0,
+      "points": [
+        [
+          683,
+          403
+        ],
+        [
+          753,
+          447
+        ],
+        [
+          837,
+          470
+        ],
+        [
+          880,
+          528
+        ],
+        [
+          594,
+          386
+        ],
+        [
+          921,
+          568
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        636,
+        359,
+        927,
+        568
+      ],
+      "note": "Physical left bare forearm and pinching hand; exclude sleeve and orange cord."
+    },
+    {
+      "serial": "17736741",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          12,
+          101
+        ],
+        [
+          74,
+          312
+        ],
+        [
+          81,
+          542
+        ],
+        [
+          301,
+          230
+        ],
+        [
+          546,
+          350
+        ],
+        [
+          731,
+          441
+        ],
+        [
+          853,
+          484
+        ],
+        [
+          308,
+          579
+        ],
+        [
+          542,
+          649
+        ],
+        [
+          703,
+          724
+        ],
+        [
+          632,
+          675
+        ],
+        [
+          408,
+          457
+        ],
+        [
+          843,
+          641
+        ],
+        [
+          637,
+          900
+        ],
+        [
+          633,
+          672
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0,
+        1
+      ],
+      "box": [
+        0,
+        0,
+        931,
+        804
+      ],
+      "note": "Whole visible human including partial face at upper-left, torso, both sleeves, bare forearms, bracelet and hands; exclude robot and table. Owner clarification: full-person occluder includes clothing and accessories. Added positive on visible silver bracelet, confirmed against this own-camera native t0 grid. Hand_A continues to exclude bracelet."
+    }
+  ],
+  "notes": "Native 1920x1080 t0 grid inspected for this exact camera. Camera-native sequence length 277; no cross-camera equal-length assumption. Physical right bracelet hand is A, physical left hand is B. Agent proposal only; no acceptance and no case writes. Accessory revision v2 changes only the occluder bracelet positive; no window, object or hand changes. Initial proposal form; existing saved prompts require a versioned superseding correction."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2.log
new file mode 100644
index 0000000000000000000000000000000000000000..be328d8af8c139ee52c302b0c3fdc48690c325ff
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2.log
@@ -0,0 +1 @@
+17736741/occluder t=0: 277897 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_overlays_c6a_accessory_sparse_v2/17736741/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..1174b60357532c8ed2ad2003c89a756e7836930e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_argv.json
@@ -0,0 +1,19 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_corrections_c6a_accessory_sparse_v2.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/correction_overlays_c6a_accessory_sparse_v2",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..6cdb1e06e152610d0a3bb39e50c4d09f7b1a57d5
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_accessory_sparse_v2_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 7.261291980743408,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..834817d8f348a7b104987a099de06d170de8fc82
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2.log
@@ -0,0 +1,4 @@
+17736741/object t=0: 7423 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_overlays_c6a_recovery2/17736741/object_t0000.png
+17736741/hand_A t=0: 28688 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_overlays_c6a_recovery2/17736741/hand_A_t0000.png
+17736741/hand_B t=0: 21091 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_overlays_c6a_recovery2/17736741/hand_B_t0000.png
+17736741/occluder t=0: 242662 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_overlays_c6a_recovery2/17736741/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..8ecbc0f9b500d8097410fef802f1d425d9268127
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_argv.json
@@ -0,0 +1,19 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_prompts_c6a_v1.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/proposal_overlays_c6a_recovery2",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..1575fa0b076cf75a153e3f4810ace5404800654e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/propose_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 52.15734529495239,
+  "started_unix": 1793138550.8914688,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..504aa5c64b904e812834175efe48fa46fb8c8082
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2.log
@@ -0,0 +1 @@
+Wrote 4 role videos, 5 sheets and boundary clips to /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/review_media_c6a_recovery2
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..f24904b5837094d2578d0bb69ae6f55a2edeb24e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_argv.json
@@ -0,0 +1,27 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "review-media",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--masks",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/review_media_c6a_recovery2",
+  "--view",
+  "17736741",
+  "--t",
+  "0",
+  "--t",
+  "69",
+  "--t",
+  "138",
+  "--t",
+  "207",
+  "--t",
+  "276"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..5173b207eb261d937d0f0fdb4e0f3f2e5527d8d9
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review-media_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 44.31881833076477,
+  "started_unix": 1793138703.6397543,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2.log
new file mode 100644
index 0000000000000000000000000000000000000000..e0c57be850a387c5b41f7cecfca123639824016c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2.log
@@ -0,0 +1 @@
+Wrote 1 role videos, 5 sheets and boundary clips to /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/review_media_c6a_accessory_sparse_v2
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..ccd24b13d47b50a3ed07eb68991cf4f681daecea
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_argv.json
@@ -0,0 +1,29 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "review-media",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/annotations",
+  "--masks",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/masks",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/review_media_c6a_accessory_sparse_v2",
+  "--view",
+  "17736741",
+  "--instance",
+  "occluder",
+  "--t",
+  "0",
+  "--t",
+  "69",
+  "--t",
+  "138",
+  "--t",
+  "207",
+  "--t",
+  "276"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..872160e2067f2de4e2bf4cbb10480afeb026dfa1
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/review_c6a_accessory_sparse_v2_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 27.091309785842896,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/window_command.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/window_command.json
new file mode 100644
index 0000000000000000000000000000000000000000..ce1a8e2c4f3dae2256ad2a33740610336c18ea01
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/17736741/window_command.json
@@ -0,0 +1,22 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_annotate_converted_session_window.py",
+  "--session-path",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--anchor-serial",
+  "17736741",
+  "--start-timestamp-ns",
+  "1790046383482492843",
+  "--end-timestamp-ns",
+  "1790046392715443845",
+  "--expected-visible-hands-or-arms",
+  "2",
+  "--object-description",
+  "taped round belt",
+  "--controller-description",
+  "hand_A = person's right hand, bracelet; hand_B = left hand. Participating: hand_A+hand_B",
+  "--notes",
+  "C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed interaction. Start = last participating hand (hand_B, person's left) closes its fingertip pinch on the far side of the belt: fingertips reach the belt at anchor ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet) had already wrapped the near side ~anchor 267-272. End = last frame before the first release: hand_B's pinch is intact through anchor 554 and its fingers open/lift at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in 17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over 277-555.",
+  "--output-path",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/17736741/phystwin_window.yaml"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01.json
new file mode 100644
index 0000000000000000000000000000000000000000..09abdb305eed09e1bbf492d8fd8b850e30c47386
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01.json
@@ -0,0 +1,114 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383488120363,
+      1790046392721900075
+    ]
+  },
+  "serial": "23007103",
+  "view_index": 3,
+  "instance": "hand_A",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 278,
+    "official_frame_index": 278,
+    "native_container_frame_index": 279,
+    "view_time_ns": 1790046383488120363
+  },
+  "version": 1,
+  "supersedes": null,
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      1163.0,
+      326.0
+    ],
+    [
+      1180.0,
+      310.0
+    ],
+    [
+      1084.0,
+      381.0
+    ],
+    [
+      1051.0,
+      414.0
+    ],
+    [
+      1125.0,
+      351.0
+    ],
+    [
+      1237.0,
+      283.0
+    ],
+    [
+      1127.0,
+      437.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    0,
+    0,
+    0
+  ],
+  "box_uv": [
+    1019.0,
+    283.0,
+    1207.0,
+    453.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Physical right bracelet hand, on image left: hand and exposed forearm; exclude bracelet and black sleeve.",
+  "seed_mask_file": "t0000_v01_seed_mask.npz",
+  "seed_mask_sha256": "7f78178af8f19caf708a66566b152d4915e0a18dcd4109e8337ab5c4fccb0cb8",
+  "seed_mask_pixels": 10181,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-27T22:05:55Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..8a112410b968ba81199dee0605d3870ae0ce47da
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_A/t0000_v01_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7f78178af8f19caf708a66566b152d4915e0a18dcd4109e8337ab5c4fccb0cb8
+size 1789
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01.json
new file mode 100644
index 0000000000000000000000000000000000000000..885f3d5d08b25404eab7755408406560da4c5b1b
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01.json
@@ -0,0 +1,114 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383488120363,
+      1790046392721900075
+    ]
+  },
+  "serial": "23007103",
+  "view_index": 3,
+  "instance": "hand_B",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 278,
+    "official_frame_index": 278,
+    "native_container_frame_index": 279,
+    "view_time_ns": 1790046383488120363
+  },
+  "version": 1,
+  "supersedes": null,
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      1332.0,
+      389.0
+    ],
+    [
+      1279.0,
+      431.0
+    ],
+    [
+      1237.0,
+      469.0
+    ],
+    [
+      1268.0,
+      505.0
+    ],
+    [
+      1201.0,
+      503.0
+    ],
+    [
+      1397.0,
+      364.0
+    ],
+    [
+      1137.0,
+      537.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    1,
+    0,
+    0
+  ],
+  "box_uv": [
+    1175.0,
+    350.0,
+    1380.0,
+    532.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Physical left hand, on image right: bare forearm through fingertips; exclude cuff and orange cord.",
+  "seed_mask_file": "t0000_v01_seed_mask.npz",
+  "seed_mask_sha256": "695179c03b5a214dfc049e7f1ab4ce3fdc86a6243e3249d3d1aaa21c39fa017b",
+  "seed_mask_pixels": 14703,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-27T22:05:55Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..0177cc5d0e6b733fc8d5e4d1a6b16391f726adc0
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/hand_B/t0000_v01_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:695179c03b5a214dfc049e7f1ab4ce3fdc86a6243e3249d3d1aaa21c39fa017b
+size 1732
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01.json
new file mode 100644
index 0000000000000000000000000000000000000000..a2df8fb3b0cde0acebaf58eb2c5f5b6cf2c6b75f
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01.json
@@ -0,0 +1,119 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383488120363,
+      1790046392721900075
+    ]
+  },
+  "serial": "23007103",
+  "view_index": 3,
+  "instance": "object",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 278,
+    "official_frame_index": 278,
+    "native_container_frame_index": 279,
+    "view_time_ns": 1790046383488120363
+  },
+  "version": 1,
+  "supersedes": null,
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      1133.0,
+      438.0
+    ],
+    [
+      1184.0,
+      452.0
+    ],
+    [
+      1027.0,
+      471.0
+    ],
+    [
+      1041.0,
+      519.0
+    ],
+    [
+      1124.0,
+      539.0
+    ],
+    [
+      1182.0,
+      527.0
+    ],
+    [
+      1121.0,
+      488.0
+    ],
+    [
+      1238.0,
+      486.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    0,
+    0
+  ],
+  "box_uv": [
+    1013.0,
+    429.0,
+    1221.0,
+    548.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Visible orange loop only; skin hides right arc; exclude interior and hands.",
+  "seed_mask_file": "t0000_v01_seed_mask.npz",
+  "seed_mask_sha256": "8b6b9a907668dcb766f541b86238acd087ce922d24bf9c3bbedd1625ed5648f4",
+  "seed_mask_pixels": 4296,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-27T22:05:55Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..b5e7d6813fa3fd30d352b75c302c490cd49b1b79
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/object/t0000_v01_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b6b9a907668dcb766f541b86238acd087ce922d24bf9c3bbedd1625ed5648f4
+size 1596
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01.json
new file mode 100644
index 0000000000000000000000000000000000000000..e04370833634112542504af4d2317965148fd597
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01.json
@@ -0,0 +1,154 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383488120363,
+      1790046392721900075
+    ]
+  },
+  "serial": "23007103",
+  "view_index": 3,
+  "instance": "occluder",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 278,
+    "official_frame_index": 278,
+    "native_container_frame_index": 279,
+    "view_time_ns": 1790046383488120363
+  },
+  "version": 1,
+  "supersedes": null,
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      1490.0,
+      12.0
+    ],
+    [
+      1479.0,
+      139.0
+    ],
+    [
+      1535.0,
+      323.0
+    ],
+    [
+      1278.0,
+      200.0
+    ],
+    [
+      1171.0,
+      313.0
+    ],
+    [
+      1081.0,
+      389.0
+    ],
+    [
+      1127.0,
+      351.0
+    ],
+    [
+      1408.0,
+      307.0
+    ],
+    [
+      1310.0,
+      411.0
+    ],
+    [
+      1239.0,
+      486.0
+    ],
+    [
+      1772.0,
+      263.0
+    ],
+    [
+      998.0,
+      247.0
+    ],
+    [
+      1124.0,
+      486.0
+    ],
+    [
+      1129.0,
+      538.0
+    ],
+    [
+      1125.0,
+      351.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    1,
+    0,
+    0,
+    0,
+    0,
+    1
+  ],
+  "box_uv": [
+    1017.0,
+    0.0,
+    1706.0,
+    535.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Whole visible human including partial chin/neck at upper edge, torso, both arms, hands and bracelet; exclude robot, table and orange cord. Owner clarification: full-person occluder includes clothing and accessories. Added positive on visible silver bracelet, confirmed against this own-camera native t0 grid. Hand_A continues to exclude bracelet.",
+  "seed_mask_file": "t0000_v01_seed_mask.npz",
+  "seed_mask_sha256": "9fafd8f301620197761208bd69cb0dd786744bc1e36c5cb7e54d3febdc986014",
+  "seed_mask_pixels": 150623,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-27T22:05:55Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..74d182c3914d2cf3dbd8a00c3034d56c48054329
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v01_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9fafd8f301620197761208bd69cb0dd786744bc1e36c5cb7e54d3febdc986014
+size 6229
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02.json
new file mode 100644
index 0000000000000000000000000000000000000000..8e5b80158acaf097bdb10cfcaf44dcf024540d1a
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02.json
@@ -0,0 +1,107 @@
+{
+  "schema": "real_rgbd_instance_prompt_v1",
+  "binding": {
+    "session_id": "session_20260921_230550_636767",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "serials": [
+      "12540311",
+      "12933256",
+      "17736741",
+      "23007103"
+    ],
+    "sync_index_half_open": [
+      277,
+      554
+    ],
+    "anchor_time_ns_first_last": [
+      1790046383488120363,
+      1790046392721900075
+    ]
+  },
+  "serial": "23007103",
+  "view_index": 3,
+  "instance": "occluder",
+  "frame": {
+    "t": 0,
+    "sync_index": 277,
+    "converted_frame_index": 278,
+    "official_frame_index": 278,
+    "native_container_frame_index": 279,
+    "view_time_ns": 1790046383488120363
+  },
+  "version": 2,
+  "supersedes": {
+    "file": "t0000_v01.json",
+    "sha256": "c704645bb7411e84bea54efa76af1ab65f5b7d1f435351b32c98dd6031ad904a"
+  },
+  "image_size_hw": [
+    1080,
+    1920
+  ],
+  "pixel_convention": "native rectified-left pixels: u = column, v = row, integer values at pixel centres",
+  "points_uv": [
+    [
+      1490.0,
+      12.0
+    ],
+    [
+      1431.0,
+      232.0
+    ],
+    [
+      1536.0,
+      408.0
+    ],
+    [
+      1239.0,
+      486.0
+    ],
+    [
+      1125.0,
+      351.0
+    ]
+  ],
+  "labels": [
+    1,
+    1,
+    1,
+    1,
+    1
+  ],
+  "box_uv": [
+    1017.0,
+    0.0,
+    1706.0,
+    535.0
+  ],
+  "source": "agent:c6a_20261027",
+  "note": "Owner-directed sparse replacement for the full-person occluder: five total points selected after re-inspecting this exact own-camera native t0 RGB. Include visible body, sleeves, bare arms, hands and bracelet; preserve real background gaps and exclude the object. Hand masks are unchanged. Box preserved. Preview and propagation review required; no owner acceptance.",
+  "seed_mask_file": "t0000_v02_seed_mask.npz",
+  "seed_mask_sha256": "de256e923b47b8a807ed167b98e407eb941e112bcad97216f7e1ef57695bc1cd",
+  "seed_mask_pixels": 160473,
+  "seed_model": {
+    "predictor": "sam2_video_predictor",
+    "config": "configs/sam2.1/sam2.1_hiera_l.yaml",
+    "config_file": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2/configs/sam2.1/sam2.1_hiera_l.yaml",
+    "checkpoint": "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+    "checkpoint_sha256": "2647878d5dfa5098f2f8649825738a9345572bae2d4350a2468587ece47dd318",
+    "sam2_package": "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/segment-anything-2/sam2",
+    "sam2_git": {
+      "commit": "969dad578a42d4c75624f87821497d37aabfbe99",
+      "clean": true
+    },
+    "build": "build_sam2_video_predictor(apply_postprocessing=True)",
+    "fill_hole_area": 0,
+    "binarize_mask_from_pts_for_mem_enc": true,
+    "non_overlap_masks": false,
+    "image_size": 1024,
+    "frame_preprocessing": "decoded native RGB, PIL default resize to image_size^2, /255, ImageNet mean/std (no JPEG)",
+    "coordinate_normalization": "native (u, v) / (W, H) * image_size (normalize_coords=True)",
+    "mask_logit_threshold": 0.0,
+    "autocast": "bfloat16",
+    "tf32": true,
+    "device": "cuda",
+    "torch": "2.11.0+cu128"
+  },
+  "created_utc": "2026-10-28T00:03:41Z"
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02_seed_mask.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02_seed_mask.npz
new file mode 100644
index 0000000000000000000000000000000000000000..934002c0e2b11a8897ce7759b73c89dcc5d570b3
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/annotations/prompts/23007103/occluder/t0000_v02_seed_mask.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de256e923b47b8a807ed167b98e407eb941e112bcad97216f7e1ef57695bc1cd
+size 4824
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect.log
new file mode 100644
index 0000000000000000000000000000000000000000..b3ec0836a9348dfec8a7e4ff495bb817063c724e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect.log
@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz and /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/inspection.json
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect_command.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect_command.json
new file mode 100644
index 0000000000000000000000000000000000000000..48a4afffce5c976fe5cb57c6310b2ce45cd4dffb
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspect_command.json
@@ -0,0 +1,15 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "inspect",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--window",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/phystwin_window.yaml",
+  "--frame-association",
+  "anchor_nearest",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection",
+  "--sample-t",
+  "0"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/frames.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/frames.npz
new file mode 100644
index 0000000000000000000000000000000000000000..835da8ca9fc1a3ac49e91f34bccd7f6c351674bc
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/frames.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f65980b35a05ab0d13d0e287a4e388430addbf8e2b4a2d66140117280e4341cc
+size 72004
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/inspection.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/inspection.json
new file mode 100644
index 0000000000000000000000000000000000000000..d69bbf9f0169471ea0209a02933380439aa5b19c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/inspection/inspection.json
@@ -0,0 +1,344 @@
+{
+  "frame_count": 277,
+  "transition_count": 276,
+  "sync_index_half_open": [
+    277,
+    554
+  ],
+  "anchor_time_ns_first_last": [
+    1790046383488120363,
+    1790046392721900075
+  ],
+  "anchor_span_s": 9.233779712,
+  "anchor_interval_ms": {
+    "min": 29.900541999999998,
+    "median": 33.4555185,
+    "max": 36.927034
+  },
+  "anchor_view": 3,
+  "world_frame": "table",
+  "physics_frame": "table",
+  "physics_T_world": [
+    [
+      1.0,
+      0.0,
+      0.0,
+      0.0
+    ],
+    [
+      0.0,
+      1.0,
+      0.0,
+      0.0
+    ],
+    [
+      0.0,
+      0.0,
+      1.0,
+      0.0
+    ],
+    [
+      0.0,
+      0.0,
+      0.0,
+      1.0
+    ]
+  ],
+  "views": [
+    {
+      "serial": "12540311",
+      "rgb_stream_id": "zed_12540311_left_rgb",
+      "depth_stream_id": "zed_12540311_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        278,
+        555
+      ],
+      "distinct_frames": 277,
+      "repeated_steps": 0,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": 6.322648,
+        "median": 9.406594,
+        "max": 11.916552
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1505.6656494140625,
+        1505.6656494140625,
+        975.812255859375,
+        520.2508544921875
+      ],
+      "world_T_camera_translation_m": [
+        0.37861749362037694,
+        0.35865096273259595,
+        0.9747715436172444
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "12933256",
+      "rgb_stream_id": "zed_12933256_left_rgb",
+      "depth_stream_id": "zed_12933256_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        277,
+        553
+      ],
+      "distinct_frames": 276,
+      "repeated_steps": 1,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": -11.780102,
+        "median": -7.600492,
+        "max": 24.927191
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1485.0516357421875,
+        1485.0516357421875,
+        1016.4952392578125,
+        529.3892822265625
+      ],
+      "world_T_camera_translation_m": [
+        0.6950866726146973,
+        -0.8347046984835544,
+        0.5782811473286448
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "17736741",
+      "rgb_stream_id": "zed_17736741_left_rgb",
+      "depth_stream_id": "zed_17736741_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        277,
+        554
+      ],
+      "distinct_frames": 277,
+      "repeated_steps": 0,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": -11.074391,
+        "median": -6.506850999999999,
+        "max": -3.299525
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1509.0516357421875,
+        1509.0516357421875,
+        954.2996826171875,
+        518.1405029296875
+      ],
+      "world_T_camera_translation_m": [
+        -0.33081317530788323,
+        0.3636141220708792,
+        0.9671273536451334
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    },
+    {
+      "serial": "23007103",
+      "rgb_stream_id": "zed_23007103_left_rgb",
+      "depth_stream_id": "zed_23007103_depth_zed_sdk_neural_plus",
+      "converted_frame_index_half_open": [
+        278,
+        555
+      ],
+      "distinct_frames": 277,
+      "repeated_steps": 0,
+      "skipping_steps": 0,
+      "valid_frames": 277,
+      "rgb_depth_index_equal": true,
+      "offset_from_anchor_ms": {
+        "min": 0.0,
+        "median": 0.0,
+        "max": 0.0
+      },
+      "image_hw": [
+        1080,
+        1920
+      ],
+      "K_fx_fy_cx_cy": [
+        1054.3277587890625,
+        1054.3277587890625,
+        969.4076538085938,
+        516.39306640625
+      ],
+      "world_T_camera_translation_m": [
+        -0.5916520560802326,
+        -0.6322488212026725,
+        0.5168520851731121
+      ],
+      "depth_unit_m": 0.001,
+      "depth_saturated_raw": 8191
+    }
+  ],
+  "lineage": {
+    "session_id": "session_20260921_230550_636767",
+    "session_path": "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+    "window_path": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/phystwin_window.yaml",
+    "window_sha256": "d7ecec864e03c6e719d323a0b44e5384dc93e09124c8103dd503d7cadc04dd64",
+    "window_resolved": {
+      "duration_s": 9.23378,
+      "end_anchor_timestamp_ns": 1790046392721900075,
+      "end_sync_index_exclusive": 554,
+      "frame_count": 277,
+      "start_anchor_timestamp_ns": 1790046383488120363,
+      "start_sync_index": 277
+    },
+    "manual_annotation_ns": [
+      1790046383488120363,
+      1790046392721900075
+    ],
+    "anchor_stream_id": "zed_23007103_left_rgb",
+    "sync_clock": "sync_time_ns (host_unix_time_ns)",
+    "device_clock": "device_time_ns",
+    "frame_association": "nearest per view to each anchor time, ties to the earlier frame, no tolerance",
+    "intrinsics_source": "metadata/calibration.json camera_intrinsics at the recorded stream size",
+    "calibration": {
+      "package_dir": "metadata/calibration_package",
+      "world_frame": "table",
+      "pose_source": "phase_05_final",
+      "final_transform_source": "combined_fixed_movable_ba",
+      "source_run_name": "20260921_200440",
+      "candidate_pose_set_name": "fixed020_movable1",
+      "world_T_camera_bundle": "world_T_camera_by_serial.npz",
+      "world_T_camera_bundle_sha256": "2bcc404a8e3c4315527d0573dfdecaac7feec797a2b8cb5b581fbe9f94fbf8d5"
+    }
+  },
+  "samples": [
+    {
+      "t": 0,
+      "serial": "12540311",
+      "converted_frame_index": 278,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 5000
+      },
+      "depth_zero_fraction": 0.026608796296296297,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.596,
+        1.31,
+        5.0
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "12933256",
+      "converted_frame_index": 277,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 6607
+      },
+      "depth_zero_fraction": 0.036158854166666664,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.548,
+        1.254,
+        6.607
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "17736741",
+      "converted_frame_index": 277,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 3655
+      },
+      "depth_zero_fraction": 0.01781057098765432,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.581,
+        1.1500000000000001,
+        3.6550000000000002
+      ]
+    },
+    {
+      "t": 0,
+      "serial": "23007103",
+      "converted_frame_index": 278,
+      "rgb": {
+        "dtype": "uint8",
+        "shape": [
+          1080,
+          1920,
+          3
+        ]
+      },
+      "depth_raw": {
+        "dtype": "uint16",
+        "shape": [
+          1080,
+          1920
+        ],
+        "min": 0,
+        "max": 4788
+      },
+      "depth_zero_fraction": 0.04595775462962963,
+      "depth_saturated_count": 0,
+      "depth_valid_m_min_median_max": [
+        0.481,
+        1.062,
+        4.788
+      ]
+    }
+  ]
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_A/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_A/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..03b20d43ca4fec56065bdc0fb09bc3d4732990a0
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_A/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fc75b661a562a2434ee2b57ce65cd3a85cb6840b0ebc3ee3ae92e740411ee0d4
+size 286922
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_B/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_B/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..7ff98956111c6a7c09146726283ae112b4d342af
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/hand_B/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:561ccb89d10e103cac9efab3cae386ea605f0d9292399f44a02dd955d838fcd2
+size 276414
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/object/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/object/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..4e289fea2063c0dd2e8bcda23986f8e185a75dfb
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/object/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6afd092e39019ba6578a35cd0a645b8a7bc61b927f956b398cec001d4206d305
+size 220502
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0001_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0001_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..2f58539168182eac1e2859c92574390a9569c0d6
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0001_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b46ca9f2d93cc40d5f924fda267ee4b3b3c8f3600478d407b6d62ee6243703fb
+size 1055565
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0002_t0000-0277.npz b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0002_t0000-0277.npz
new file mode 100644
index 0000000000000000000000000000000000000000..980b20fe556b5e8146fa43124700b81064ddbc7c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/masks/23007103/occluder/run0002_t0000-0277.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8de8f6144706f95e2fd53d18b3c4d56c8b2dc035784d0838e85171d21d616be3
+size 1053005
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/phystwin_window.yaml b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/phystwin_window.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..5826d564eb5afe196e394f4e2a48418ed1e54e55
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/phystwin_window.yaml
@@ -0,0 +1,88 @@
+schema_version: 1
+kind: phystwin_interaction_window
+session:
+  path: /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+  session_id: session_20260921_230550_636767
+annotation_interface:
+  method: rerun
+  rerun_timeline: sync_time_ns
+  rerun_launch_command: uv run --no-sync python -m dataset_converter.visualize_rerun
+    --session-path /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+    --sensor-types zed
+  timestamp_copy_instructions: Scrub the sync_time_ns timeline in Rerun. Copy the
+    current integer-nanosecond timestamp at the desired start/end moments.
+  notes: ''
+timebase:
+  policy: native_anchor_overlap
+  sync_policy: AnchorStreamSyncPolicy
+  overlap: true
+  anchor_serial: '23007103'
+  anchor_stream_id: zed_23007103_left_rgb
+  timestamp_unit: ns
+  timestamp_reference: sync_time_ns
+  period_ns_estimate: 33451542
+  fps_estimate: 29.893988
+manual_annotation:
+  start_global_timestamp_ns: 1790046383488120363
+  end_global_timestamp_ns: 1790046392721900075
+  start_condition: hand_or_forearm_visible_and_in_contact_with_object
+  end_condition: before_release_or_contact_break
+  expected_visible_hands_or_arms: 2
+  object_description: taped round belt
+  controller_description: 'hand_A = person''s right hand, bracelet; hand_B = left
+    hand. Participating: hand_A+hand_B'
+  annotator_notes: 'C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed
+    interaction. Start = last participating hand (hand_B, person''s left) closes its
+    fingertip pinch on the far side of the belt: fingertips reach the belt at anchor
+    ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet)
+    had already wrapped the near side ~anchor 267-272. End = last frame before the
+    first release: hand_B''s pinch is intact through anchor 554 and its fingers open/lift
+    at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in
+    17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over
+    277-555.'
+resolved_window:
+  start_sync_index: 277
+  end_sync_index_exclusive: 554
+  start_anchor_timestamp_ns: 1790046383488120363
+  end_anchor_timestamp_ns: 1790046392721900075
+  frame_count: 277
+  duration_s: 9.23378
+per_camera_resolution:
+  '12540311':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383497843427
+    end_source_timestamp_ns: 1790046392730699253
+    start_delta_ns: 9723064
+    end_delta_ns: 8799178
+  '12933256':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 553
+    start_source_timestamp_ns: 1790046383481543315
+    end_source_timestamp_ns: 1790046392716396353
+    start_delta_ns: -6577048
+    end_delta_ns: -5503722
+  '17736741':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 554
+    start_source_timestamp_ns: 1790046383482492843
+    end_source_timestamp_ns: 1790046392715443845
+    start_delta_ns: -5627520
+    end_delta_ns: -6456230
+  '23007103':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383488120363
+    end_source_timestamp_ns: 1790046392721900075
+    start_delta_ns: 0
+    end_delta_ns: 0
+validation:
+  within_all_camera_overlap: true
+  start_before_end: true
+  min_abs_camera_delta_ns: 0
+  max_abs_camera_delta_ns: 9723064
+  warnings: []
+created_by: manual
+created_at: '2026-10-27T19:24:14+00:00'
+updated_at: '2026-10-27T19:24:14+00:00'
+
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1.log
new file mode 100644
index 0000000000000000000000000000000000000000..9678611c736f1f85c80fcb14323c72a7e8b59b71
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1.log
@@ -0,0 +1 @@
+23007103/occluder t=0: 160473 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/correction_preview_c6a_accessory_sparse_v1/23007103/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..eb85b89a516a4839de630802a5267dac6475eb1e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_argv.json
@@ -0,0 +1,20 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_corrections_c6a_accessory_sparse_v1.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/correction_preview_c6a_accessory_sparse_v1",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--preview-only"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..3bdff2a18a49100d8a1acc6c600b98adbc0d73cb
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/preview_c6a_accessory_sparse_v1_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 7.635867357254028,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..149ea8c0df68eaeed9bc81b0c87d66e29bb1eb1a
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2.log
@@ -0,0 +1,12 @@
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 34.62it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:09, 29.08it/s]
propagate in video:   4%|▍         | 11/277 [00:00<00:09, 27.93it/s]
propagate in video:   5%|▌         | 14/277 [00:00<00:09, 27.43it/s]
propagate in video:   6%|▌         | 17/277 [00:00<00:09, 27.15it/s]
propagate in video:   7%|▋         | 20/277 [00:00<00:09, 26.97it/s]
propagate in video:   8%|▊         | 23/277 [00:00<00:09, 26.83it/s]
propagate in video:   9%|▉         | 26/277 [00:00<00:09, 26.74it/s]
propagate in video:  10%|█         | 29/277 [00:01<00:09, 26.76it/s]
propagate in video:  12%|█▏        | 32/277 [00:01<00:09, 26.60it/s]
propagate in video:  13%|█▎        | 35/277 [00:01<00:09, 26.71it/s]
propagate in video:  14%|█▎        | 38/277 [00:01<00:09, 26.49it/s]
propagate in video:  15%|█▍        | 41/277 [00:01<00:09, 26.19it/s]
propagate in video:  16%|█▌        | 44/277 [00:01<00:08, 25.99it/s]
propagate in video:  17%|█▋        | 47/277 [00:01<00:08, 25.85it/s]
propagate in video:  18%|█▊        | 50/277 [00:01<00:08, 26.03it/s]
propagate in video:  19%|█▉        | 53/277 [00:01<00:08, 26.25it/s]
propagate in video:  20%|██        | 56/277 [00:02<00:08, 26.39it/s]
propagate in video:  21%|██▏       | 59/277 [00:02<00:08, 26.48it/s]
propagate in video:  22%|██▏       | 62/277 [00:02<00:08, 26.57it/s]
propagate in video:  23%|██▎       | 65/277 [00:02<00:07, 26.50it/s]
propagate in video:  25%|██▍       | 68/277 [00:02<00:07, 26.54it/s]
propagate in video:  26%|██▌       | 71/277 [00:02<00:07, 26.39it/s]
propagate in video:  27%|██▋       | 74/277 [00:02<00:07, 26.52it/s]
propagate in video:  28%|██▊       | 77/277 [00:02<00:07, 26.59it/s]
propagate in video:  29%|██▉       | 80/277 [00:03<00:07, 25.69it/s]
propagate in video:  30%|██▉       | 83/277 [00:03<00:07, 26.03it/s]
propagate in video:  31%|███       | 86/277 [00:03<00:07, 26.25it/s]
propagate in video:  32%|███▏      | 89/277 [00:03<00:07, 26.39it/s]
propagate in video:  33%|███▎      | 92/277 [00:03<00:06, 26.53it/s]
propagate in video:  34%|███▍      | 95/277 [00:03<00:06, 26.61it/s]
propagate in video:  35%|███▌      | 98/277 [00:03<00:06, 26.67it/s]
propagate in video:  36%|███▋      | 101/277 [00:03<00:06, 26.70it/s]
propagate in video:  38%|███▊      | 104/277 [00:03<00:06, 26.70it/s]
propagate in video:  39%|███▊      | 107/277 [00:04<00:06, 26.70it/s]
propagate in video:  40%|███▉      | 110/277 [00:04<00:06, 26.72it/s]
propagate in video:  41%|████      | 113/277 [00:04<00:06, 26.70it/s]
propagate in video:  42%|████▏     | 116/277 [00:04<00:06, 26.68it/s]
propagate in video:  43%|████▎     | 119/277 [00:04<00:05, 26.66it/s]
propagate in video:  44%|████▍     | 122/277 [00:04<00:05, 26.65it/s]
propagate in video:  45%|████▌     | 125/277 [00:04<00:05, 26.64it/s]
propagate in video:  46%|████▌     | 128/277 [00:04<00:05, 26.67it/s]
propagate in video:  47%|████▋     | 131/277 [00:04<00:05, 26.68it/s]
propagate in video:  48%|████▊     | 134/277 [00:05<00:05, 26.47it/s]
propagate in video:  49%|████▉     | 137/277 [00:05<00:05, 26.51it/s]
propagate in video:  51%|█████     | 140/277 [00:05<00:05, 26.55it/s]
propagate in video:  52%|█████▏    | 143/277 [00:05<00:05, 26.57it/s]
propagate in video:  53%|█████▎    | 146/277 [00:05<00:04, 26.57it/s]
propagate in video:  54%|█████▍    | 149/277 [00:05<00:04, 26.60it/s]
propagate in video:  55%|█████▍    | 152/277 [00:05<00:04, 26.56it/s]
propagate in video:  56%|█████▌    | 155/277 [00:05<00:04, 26.57it/s]
propagate in video:  57%|█████▋    | 158/277 [00:05<00:04, 26.57it/s]
propagate in video:  58%|█████▊    | 161/277 [00:06<00:04, 26.55it/s]
propagate in video:  59%|█████▉    | 164/277 [00:06<00:04, 26.44it/s]
propagate in video:  60%|██████    | 167/277 [00:06<00:04, 26.19it/s]
propagate in video:  61%|██████▏   | 170/277 [00:06<00:04, 26.32it/s]
propagate in video:  62%|██████▏   | 173/277 [00:06<00:03, 26.41it/s]
propagate in video:  64%|██████▎   | 176/277 [00:06<00:03, 26.34it/s]
propagate in video:  65%|██████▍   | 179/277 [00:06<00:03, 26.37it/s]
propagate in video:  66%|██████▌   | 182/277 [00:06<00:03, 26.33it/s]
propagate in video:  67%|██████▋   | 185/277 [00:06<00:03, 26.40it/s]
propagate in video:  68%|██████▊   | 188/277 [00:07<00:03, 26.43it/s]
propagate in video:  69%|██████▉   | 191/277 [00:07<00:03, 26.47it/s]
propagate in video:  70%|███████   | 194/277 [00:07<00:03, 26.55it/s]
propagate in video:  71%|███████   | 197/277 [00:07<00:03, 26.59it/s]
propagate in video:  72%|███████▏  | 200/277 [00:07<00:02, 26.56it/s]
propagate in video:  73%|███████▎  | 203/277 [00:07<00:02, 26.54it/s]
propagate in video:  74%|███████▍  | 206/277 [00:07<00:02, 26.56it/s]
propagate in video:  75%|███████▌  | 209/277 [00:07<00:02, 26.54it/s]
propagate in video:  77%|███████▋  | 212/277 [00:07<00:02, 26.56it/s]
propagate in video:  78%|███████▊  | 215/277 [00:08<00:02, 26.31it/s]
propagate in video:  79%|███████▊  | 218/277 [00:08<00:02, 26.33it/s]
propagate in video:  80%|███████▉  | 221/277 [00:08<00:02, 26.41it/s]
propagate in video:  81%|████████  | 224/277 [00:08<00:02, 26.26it/s]
propagate in video:  82%|████████▏ | 227/277 [00:08<00:01, 26.34it/s]
propagate in video:  83%|████████▎ | 230/277 [00:08<00:01, 26.30it/s]
propagate in video:  84%|████████▍ | 233/277 [00:08<00:01, 26.39it/s]
propagate in video:  85%|████████▌ | 236/277 [00:08<00:01, 25.98it/s]
propagate in video:  86%|████████▋ | 239/277 [00:09<00:01, 25.90it/s]
propagate in video:  87%|████████▋ | 242/277 [00:09<00:01, 26.11it/s]
propagate in video:  88%|████████▊ | 245/277 [00:09<00:01, 26.26it/s]
propagate in video:  90%|████████▉ | 248/277 [00:09<00:01, 26.36it/s]
propagate in video:  91%|█████████ | 251/277 [00:09<00:00, 26.37it/s]
propagate in video:  92%|█████████▏| 254/277 [00:09<00:00, 26.40it/s]
propagate in video:  93%|█████████▎| 257/277 [00:09<00:00, 26.46it/s]
propagate in video:  94%|█████████▍| 260/277 [00:09<00:00, 26.53it/s]
propagate in video:  95%|█████████▍| 263/277 [00:09<00:00, 26.58it/s]
propagate in video:  96%|█████████▌| 266/277 [00:10<00:00, 26.54it/s]
propagate in video:  97%|█████████▋| 269/277 [00:10<00:00, 26.54it/s]
propagate in video:  98%|█████████▊| 272/277 [00:10<00:00, 26.55it/s]
propagate in video:  99%|█████████▉| 275/277 [00:10<00:00, 26.57it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.53it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks/23007103/object/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 36.10it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:08, 30.54it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.69it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 28.10it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.69it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 27.41it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 27.22it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 27.12it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 27.01it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.94it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:08, 26.90it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.88it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.87it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.86it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.84it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.84it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.82it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.79it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.76it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 26.73it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.73it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.72it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.77it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.78it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.74it/s]
propagate in video:  29%|██▉       | 81/277 [00:02<00:07, 26.73it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.74it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.75it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:06, 26.75it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.77it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.78it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.77it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.74it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.69it/s]
propagate in video:  39%|███▉      | 108/277 [00:03<00:06, 26.66it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.56it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.54it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 26.42it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.24it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.37it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.33it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.43it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.49it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.55it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.59it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.61it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:04, 26.62it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.60it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.62it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.62it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.64it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.64it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.63it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.64it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.62it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:03, 26.63it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.62it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.60it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.60it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.60it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.61it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.62it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.63it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.61it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.61it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.60it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.61it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.62it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.60it/s]
propagate in video:  77%|███████▋  | 213/277 [00:07<00:02, 26.60it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.62it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.61it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.25it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.35it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.43it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.48it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.52it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.54it/s]
propagate in video:  87%|████████▋ | 240/277 [00:08<00:01, 26.53it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.57it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.58it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 26.59it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 26.58it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.58it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.60it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.61it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.61it/s]
propagate in video:  96%|█████████▋| 267/277 [00:09<00:00, 26.63it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.62it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.63it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.63it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.75it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks/23007103/hand_A/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 36.06it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:09, 29.43it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.01it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 27.57it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.14it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 26.86it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 26.76it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 26.41it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 26.52it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.57it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:09, 26.64it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.67it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.59it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.58it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.59it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.63it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.61it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.56it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.60it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 26.61it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.60it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.61it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.60it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.58it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.60it/s]
propagate in video:  29%|██▉       | 81/277 [00:03<00:07, 26.52it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.56it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.60it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:07, 26.59it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.54it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.47it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.54it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.54it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.37it/s]
propagate in video:  39%|███▉      | 108/277 [00:04<00:06, 26.40it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.43it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.42it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 26.12it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.21it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.22it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.31it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.17it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.17it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.27it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.35it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.28it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:05, 26.38it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.47it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.42it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.44it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.44it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.46it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.49it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.42it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.47it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:04, 26.47it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.44it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.46it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.43it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.39it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.39it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.44it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.44it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.42it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.45it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.46it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.46it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.46it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.48it/s]
propagate in video:  77%|███████▋  | 213/277 [00:08<00:02, 26.49it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.42it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.45it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.46it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.46it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.37it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.41it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.46it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.43it/s]
propagate in video:  87%|████████▋ | 240/277 [00:09<00:01, 26.38it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.27it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.13it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 25.75it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 25.98it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.10it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.20it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.10it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.23it/s]
propagate in video:  96%|█████████▋| 267/277 [00:10<00:00, 26.29it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.34it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.36it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.28it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.51it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks/23007103/hand_B/run0001_t0000-0277.npz
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:07, 35.97it/s]
propagate in video:   3%|▎         | 8/277 [00:00<00:09, 29.58it/s]
propagate in video:   4%|▍         | 12/277 [00:00<00:09, 28.25it/s]
propagate in video:   5%|▌         | 15/277 [00:00<00:09, 27.82it/s]
propagate in video:   6%|▋         | 18/277 [00:00<00:09, 27.51it/s]
propagate in video:   8%|▊         | 21/277 [00:00<00:09, 27.28it/s]
propagate in video:   9%|▊         | 24/277 [00:00<00:09, 27.11it/s]
propagate in video:  10%|▉         | 27/277 [00:00<00:09, 26.86it/s]
propagate in video:  11%|█         | 30/277 [00:01<00:09, 26.80it/s]
propagate in video:  12%|█▏        | 33/277 [00:01<00:09, 26.66it/s]
propagate in video:  13%|█▎        | 36/277 [00:01<00:09, 26.71it/s]
propagate in video:  14%|█▍        | 39/277 [00:01<00:08, 26.68it/s]
propagate in video:  15%|█▌        | 42/277 [00:01<00:08, 26.73it/s]
propagate in video:  16%|█▌        | 45/277 [00:01<00:08, 26.72it/s]
propagate in video:  17%|█▋        | 48/277 [00:01<00:08, 26.71it/s]
propagate in video:  18%|█▊        | 51/277 [00:01<00:08, 26.75it/s]
propagate in video:  19%|█▉        | 54/277 [00:01<00:08, 26.73it/s]
propagate in video:  21%|██        | 57/277 [00:02<00:08, 26.68it/s]
propagate in video:  22%|██▏       | 60/277 [00:02<00:08, 26.68it/s]
propagate in video:  23%|██▎       | 63/277 [00:02<00:08, 26.67it/s]
propagate in video:  24%|██▍       | 66/277 [00:02<00:07, 26.64it/s]
propagate in video:  25%|██▍       | 69/277 [00:02<00:07, 26.63it/s]
propagate in video:  26%|██▌       | 72/277 [00:02<00:07, 26.66it/s]
propagate in video:  27%|██▋       | 75/277 [00:02<00:07, 26.69it/s]
propagate in video:  28%|██▊       | 78/277 [00:02<00:07, 26.71it/s]
propagate in video:  29%|██▉       | 81/277 [00:02<00:07, 26.59it/s]
propagate in video:  30%|███       | 84/277 [00:03<00:07, 26.64it/s]
propagate in video:  31%|███▏      | 87/277 [00:03<00:07, 26.67it/s]
propagate in video:  32%|███▏      | 90/277 [00:03<00:07, 26.68it/s]
propagate in video:  34%|███▎      | 93/277 [00:03<00:06, 26.71it/s]
propagate in video:  35%|███▍      | 96/277 [00:03<00:06, 26.70it/s]
propagate in video:  36%|███▌      | 99/277 [00:03<00:06, 26.71it/s]
propagate in video:  37%|███▋      | 102/277 [00:03<00:06, 26.68it/s]
propagate in video:  38%|███▊      | 105/277 [00:03<00:06, 26.64it/s]
propagate in video:  39%|███▉      | 108/277 [00:04<00:06, 26.62it/s]
propagate in video:  40%|████      | 111/277 [00:04<00:06, 26.64it/s]
propagate in video:  41%|████      | 114/277 [00:04<00:06, 26.58it/s]
propagate in video:  42%|████▏     | 117/277 [00:04<00:06, 26.59it/s]
propagate in video:  43%|████▎     | 120/277 [00:04<00:05, 26.58it/s]
propagate in video:  44%|████▍     | 123/277 [00:04<00:05, 26.56it/s]
propagate in video:  45%|████▌     | 126/277 [00:04<00:05, 26.59it/s]
propagate in video:  47%|████▋     | 129/277 [00:04<00:05, 26.59it/s]
propagate in video:  48%|████▊     | 132/277 [00:04<00:05, 26.56it/s]
propagate in video:  49%|████▊     | 135/277 [00:05<00:05, 26.53it/s]
propagate in video:  50%|████▉     | 138/277 [00:05<00:05, 26.54it/s]
propagate in video:  51%|█████     | 141/277 [00:05<00:05, 26.54it/s]
propagate in video:  52%|█████▏    | 144/277 [00:05<00:05, 26.53it/s]
propagate in video:  53%|█████▎    | 147/277 [00:05<00:04, 26.47it/s]
propagate in video:  54%|█████▍    | 150/277 [00:05<00:04, 26.40it/s]
propagate in video:  55%|█████▌    | 153/277 [00:05<00:04, 26.48it/s]
propagate in video:  56%|█████▋    | 156/277 [00:05<00:04, 26.49it/s]
propagate in video:  57%|█████▋    | 159/277 [00:05<00:04, 26.51it/s]
propagate in video:  58%|█████▊    | 162/277 [00:06<00:04, 26.49it/s]
propagate in video:  60%|█████▉    | 165/277 [00:06<00:04, 26.47it/s]
propagate in video:  61%|██████    | 168/277 [00:06<00:04, 26.44it/s]
propagate in video:  62%|██████▏   | 171/277 [00:06<00:04, 26.47it/s]
propagate in video:  63%|██████▎   | 174/277 [00:06<00:03, 26.48it/s]
propagate in video:  64%|██████▍   | 177/277 [00:06<00:03, 26.26it/s]
propagate in video:  65%|██████▍   | 180/277 [00:06<00:03, 26.35it/s]
propagate in video:  66%|██████▌   | 183/277 [00:06<00:03, 26.41it/s]
propagate in video:  67%|██████▋   | 186/277 [00:06<00:03, 26.43it/s]
propagate in video:  68%|██████▊   | 189/277 [00:07<00:03, 26.46it/s]
propagate in video:  69%|██████▉   | 192/277 [00:07<00:03, 26.45it/s]
propagate in video:  70%|███████   | 195/277 [00:07<00:03, 26.47it/s]
propagate in video:  71%|███████▏  | 198/277 [00:07<00:02, 26.49it/s]
propagate in video:  73%|███████▎  | 201/277 [00:07<00:02, 26.53it/s]
propagate in video:  74%|███████▎  | 204/277 [00:07<00:02, 26.52it/s]
propagate in video:  75%|███████▍  | 207/277 [00:07<00:02, 26.51it/s]
propagate in video:  76%|███████▌  | 210/277 [00:07<00:02, 26.52it/s]
propagate in video:  77%|███████▋  | 213/277 [00:07<00:02, 26.50it/s]
propagate in video:  78%|███████▊  | 216/277 [00:08<00:02, 26.52it/s]
propagate in video:  79%|███████▉  | 219/277 [00:08<00:02, 26.52it/s]
propagate in video:  80%|████████  | 222/277 [00:08<00:02, 26.52it/s]
propagate in video:  81%|████████  | 225/277 [00:08<00:01, 26.17it/s]
propagate in video:  82%|████████▏ | 228/277 [00:08<00:01, 26.26it/s]
propagate in video:  83%|████████▎ | 231/277 [00:08<00:01, 26.32it/s]
propagate in video:  84%|████████▍ | 234/277 [00:08<00:01, 26.40it/s]
propagate in video:  86%|████████▌ | 237/277 [00:08<00:01, 26.43it/s]
propagate in video:  87%|████████▋ | 240/277 [00:08<00:01, 26.41it/s]
propagate in video:  88%|████████▊ | 243/277 [00:09<00:01, 26.44it/s]
propagate in video:  89%|████████▉ | 246/277 [00:09<00:01, 26.42it/s]
propagate in video:  90%|████████▉ | 249/277 [00:09<00:01, 26.45it/s]
propagate in video:  91%|█████████ | 252/277 [00:09<00:00, 26.50it/s]
propagate in video:  92%|█████████▏| 255/277 [00:09<00:00, 26.55it/s]
propagate in video:  93%|█████████▎| 258/277 [00:09<00:00, 26.48it/s]
propagate in video:  94%|█████████▍| 261/277 [00:09<00:00, 26.50it/s]
propagate in video:  95%|█████████▌| 264/277 [00:09<00:00, 26.53it/s]
propagate in video:  96%|█████████▋| 267/277 [00:10<00:00, 26.52it/s]
propagate in video:  97%|█████████▋| 270/277 [00:10<00:00, 26.50it/s]
propagate in video:  99%|█████████▊| 273/277 [00:10<00:00, 26.34it/s]
propagate in video: 100%|█████████▉| 276/277 [00:10<00:00, 26.32it/s]
propagate in video: 100%|██████████| 277/277 [00:10<00:00, 26.64it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks/23007103/occluder/run0001_t0000-0277.npz
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..cbb1600e2b5338dc2293765c3f4c1586f4725a37
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_argv.json
@@ -0,0 +1,33 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propagate",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks",
+  "--view",
+  "23007103",
+  "--instance",
+  "object",
+  "--instance",
+  "hand_A",
+  "--instance",
+  "hand_B",
+  "--instance",
+  "occluder",
+  "--t-start",
+  "0",
+  "--t-stop",
+  "277",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--note",
+  "C6a resumed after power interruption; same pinned predictor and prompts; owner acceptance pending"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..056fdae512acd1dc240a0a618474fd352b570918
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 99.96117186546326,
+  "started_unix": 1793138756.4857762,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1.log
new file mode 100644
index 0000000000000000000000000000000000000000..67f1c18477f4fccba9be7aa7164b00f26f08e1a0
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1.log
@@ -0,0 +1,3 @@
+
propagate in video:   0%|          | 0/277 [00:00<?, ?it/s]
propagate in video:   1%|▏         | 4/277 [00:00<00:09, 29.78it/s]
propagate in video:   3%|▎         | 7/277 [00:00<00:14, 18.58it/s]
propagate in video:   4%|▎         | 10/277 [00:00<00:12, 20.94it/s]
propagate in video:   5%|▍         | 13/277 [00:00<00:11, 22.08it/s]
propagate in video:   6%|▌         | 16/277 [00:00<00:11, 23.44it/s]
propagate in video:   7%|▋         | 19/277 [00:00<00:10, 24.17it/s]
propagate in video:   8%|▊         | 22/277 [00:00<00:10, 24.47it/s]
propagate in video:   9%|▉         | 25/277 [00:01<00:10, 24.14it/s]
propagate in video:  10%|█         | 28/277 [00:01<00:10, 24.22it/s]
propagate in video:  11%|█         | 31/277 [00:01<00:09, 24.62it/s]
propagate in video:  12%|█▏        | 34/277 [00:01<00:09, 24.95it/s]
propagate in video:  13%|█▎        | 37/277 [00:01<00:09, 25.13it/s]
propagate in video:  14%|█▍        | 40/277 [00:01<00:09, 24.92it/s]
propagate in video:  16%|█▌        | 43/277 [00:01<00:09, 25.16it/s]
propagate in video:  17%|█▋        | 46/277 [00:01<00:09, 24.83it/s]
propagate in video:  18%|█▊        | 49/277 [00:02<00:09, 24.77it/s]
propagate in video:  19%|█▉        | 52/277 [00:02<00:09, 23.93it/s]
propagate in video:  20%|█▉        | 55/277 [00:02<00:09, 23.16it/s]
propagate in video:  21%|██        | 58/277 [00:02<00:09, 23.36it/s]
propagate in video:  22%|██▏       | 61/277 [00:02<00:09, 23.83it/s]
propagate in video:  23%|██▎       | 64/277 [00:02<00:08, 23.98it/s]
propagate in video:  24%|██▍       | 67/277 [00:02<00:08, 23.90it/s]
propagate in video:  25%|██▌       | 70/277 [00:02<00:08, 23.14it/s]
propagate in video:  26%|██▋       | 73/277 [00:03<00:08, 23.89it/s]
propagate in video:  27%|██▋       | 76/277 [00:03<00:08, 23.96it/s]
propagate in video:  29%|██▊       | 79/277 [00:03<00:08, 22.64it/s]
propagate in video:  30%|██▉       | 82/277 [00:03<00:08, 22.12it/s]
propagate in video:  31%|███       | 85/277 [00:03<00:09, 21.13it/s]
propagate in video:  32%|███▏      | 88/277 [00:03<00:08, 22.04it/s]
propagate in video:  33%|███▎      | 91/277 [00:03<00:08, 22.90it/s]
propagate in video:  34%|███▍      | 94/277 [00:03<00:07, 23.16it/s]
propagate in video:  35%|███▌      | 97/277 [00:04<00:08, 22.08it/s]
propagate in video:  36%|███▌      | 100/277 [00:04<00:08, 21.36it/s]
propagate in video:  37%|███▋      | 103/277 [00:04<00:08, 21.34it/s]
propagate in video:  38%|███▊      | 106/277 [00:04<00:07, 22.02it/s]
propagate in video:  39%|███▉      | 109/277 [00:04<00:07, 22.81it/s]
propagate in video:  40%|████      | 112/277 [00:04<00:07, 23.28it/s]
propagate in video:  42%|████▏     | 115/277 [00:04<00:07, 23.06it/s]
propagate in video:  43%|████▎     | 118/277 [00:05<00:06, 23.09it/s]
propagate in video:  44%|████▎     | 121/277 [00:05<00:06, 23.62it/s]
propagate in video:  45%|████▍     | 124/277 [00:05<00:06, 23.65it/s]
propagate in video:  46%|████▌     | 127/277 [00:05<00:06, 23.93it/s]
propagate in video:  47%|████▋     | 130/277 [00:05<00:06, 24.03it/s]
propagate in video:  48%|████▊     | 133/277 [00:05<00:05, 24.24it/s]
propagate in video:  49%|████▉     | 136/277 [00:05<00:06, 23.16it/s]
propagate in video:  50%|█████     | 139/277 [00:05<00:05, 23.14it/s]
propagate in video:  51%|█████▏    | 142/277 [00:06<00:06, 22.48it/s]
propagate in video:  52%|█████▏    | 145/277 [00:06<00:05, 23.33it/s]
propagate in video:  53%|█████▎    | 148/277 [00:06<00:05, 23.98it/s]
propagate in video:  55%|█████▍    | 151/277 [00:06<00:05, 24.29it/s]
propagate in video:  56%|█████▌    | 154/277 [00:06<00:07, 15.52it/s]
propagate in video:  57%|█████▋    | 157/277 [00:06<00:06, 17.34it/s]
propagate in video:  58%|█████▊    | 160/277 [00:07<00:06, 18.50it/s]
propagate in video:  59%|█████▉    | 163/277 [00:07<00:05, 19.93it/s]
propagate in video:  60%|█████▉    | 166/277 [00:07<00:05, 21.27it/s]
propagate in video:  61%|██████    | 169/277 [00:07<00:04, 22.22it/s]
propagate in video:  62%|██████▏   | 172/277 [00:07<00:04, 22.66it/s]
propagate in video:  63%|██████▎   | 175/277 [00:07<00:04, 23.16it/s]
propagate in video:  64%|██████▍   | 178/277 [00:07<00:04, 23.23it/s]
propagate in video:  65%|██████▌   | 181/277 [00:07<00:04, 23.15it/s]
propagate in video:  66%|██████▋   | 184/277 [00:08<00:04, 22.50it/s]
propagate in video:  68%|██████▊   | 187/277 [00:08<00:03, 23.10it/s]
propagate in video:  69%|██████▊   | 190/277 [00:08<00:03, 22.28it/s]
propagate in video:  70%|██████▉   | 193/277 [00:08<00:03, 22.86it/s]
propagate in video:  71%|███████   | 196/277 [00:08<00:03, 22.96it/s]
propagate in video:  72%|███████▏  | 199/277 [00:08<00:03, 23.00it/s]
propagate in video:  73%|███████▎  | 202/277 [00:08<00:03, 23.59it/s]
propagate in video:  74%|███████▍  | 205/277 [00:08<00:02, 24.15it/s]
propagate in video:  75%|███████▌  | 208/277 [00:09<00:02, 24.59it/s]
propagate in video:  76%|███████▌  | 211/277 [00:09<00:02, 24.28it/s]
propagate in video:  77%|███████▋  | 214/277 [00:09<00:02, 24.55it/s]
propagate in video:  78%|███████▊  | 217/277 [00:09<00:02, 24.42it/s]
propagate in video:  79%|███████▉  | 220/277 [00:09<00:02, 24.35it/s]
propagate in video:  81%|████████  | 223/277 [00:09<00:02, 24.58it/s]
propagate in video:  82%|████████▏ | 226/277 [00:09<00:02, 24.89it/s]
propagate in video:  83%|████████▎ | 229/277 [00:09<00:01, 24.65it/s]
propagate in video:  84%|████████▍ | 232/277 [00:10<00:01, 24.92it/s]
propagate in video:  85%|████████▍ | 235/277 [00:10<00:01, 24.46it/s]
propagate in video:  86%|████████▌ | 238/277 [00:10<00:01, 23.96it/s]
propagate in video:  87%|████████▋ | 241/277 [00:10<00:01, 24.34it/s]
propagate in video:  88%|████████▊ | 244/277 [00:10<00:01, 24.66it/s]
propagate in video:  89%|████████▉ | 247/277 [00:10<00:01, 23.97it/s]
propagate in video:  90%|█████████ | 250/277 [00:10<00:01, 24.42it/s]
propagate in video:  91%|█████████▏| 253/277 [00:10<00:00, 24.52it/s]
propagate in video:  92%|█████████▏| 256/277 [00:11<00:00, 24.39it/s]
propagate in video:  94%|█████████▎| 259/277 [00:11<00:00, 24.16it/s]
propagate in video:  95%|█████████▍| 262/277 [00:11<00:00, 24.51it/s]
propagate in video:  96%|█████████▌| 265/277 [00:11<00:00, 23.15it/s]
propagate in video:  97%|█████████▋| 268/277 [00:11<00:00, 23.83it/s]
propagate in video:  98%|█████████▊| 271/277 [00:11<00:00, 23.61it/s]
propagate in video:  99%|█████████▉| 274/277 [00:11<00:00, 24.00it/s]
propagate in video: 100%|██████████| 277/277 [00:11<00:00, 24.20it/s]
propagate in video: 100%|██████████| 277/277 [00:11<00:00, 23.21it/s]
+
propagate in video: 0it [00:00, ?it/s]
propagate in video: 0it [00:00, ?it/s]
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks/23007103/occluder/run0002_t0000-0277.npz
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..7b3c271474487a815e79e3f997ebaff6149c8af0
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_argv.json
@@ -0,0 +1,27 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propagate",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks",
+  "--view",
+  "23007103",
+  "--instance",
+  "occluder",
+  "--t-start",
+  "0",
+  "--t-stop",
+  "277",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda",
+  "--note",
+  "C6a agent correction; no owner acceptance"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..e52c4796705ef7b78adb46f26a102dd5c284bcc5
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propagate_23007103_occluder_c6a_accessory_sparse_v1_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 30.458306550979614,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_corrections_c6a_accessory_sparse_v1.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_corrections_c6a_accessory_sparse_v1.json
new file mode 100644
index 0000000000000000000000000000000000000000..149d6c4b62d197709ea1931c7e3db79ea3407ac4
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_corrections_c6a_accessory_sparse_v1.json
@@ -0,0 +1,48 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "23007103",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          1490,
+          12
+        ],
+        [
+          1431,
+          232
+        ],
+        [
+          1536,
+          408
+        ],
+        [
+          1239,
+          486
+        ],
+        [
+          1125,
+          351
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1
+      ],
+      "box": [
+        1017.0,
+        0.0,
+        1706.0,
+        535.0
+      ],
+      "supersede": true,
+      "note": "Owner-directed sparse replacement for the full-person occluder: five total points selected after re-inspecting this exact own-camera native t0 RGB. Include visible body, sleeves, bare arms, hands and bracelet; preserve real background gaps and exclude the object. Hand masks are unchanged. Box preserved. Preview and propagation review required; no owner acceptance."
+    }
+  ],
+  "notes": "Sparse successor to the retained dense draft. Native evidence re-inspected 2026-10-27. Same SAM2 method; no multipart union or mask filling. Root owns preview and application."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_before_accessories.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_before_accessories.json
new file mode 100644
index 0000000000000000000000000000000000000000..75a32483968059e858eed5ce284d5edb3e2e777e
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_before_accessories.json
@@ -0,0 +1,250 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "23007103",
+      "instance": "object",
+      "t": 0,
+      "points": [
+        [
+          1133,
+          438
+        ],
+        [
+          1184,
+          452
+        ],
+        [
+          1027,
+          471
+        ],
+        [
+          1041,
+          519
+        ],
+        [
+          1124,
+          539
+        ],
+        [
+          1182,
+          527
+        ],
+        [
+          1121,
+          488
+        ],
+        [
+          1238,
+          486
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        1013,
+        429,
+        1221,
+        548
+      ],
+      "note": "Visible orange loop only; skin hides right arc; exclude interior and hands."
+    },
+    {
+      "serial": "23007103",
+      "instance": "hand_A",
+      "t": 0,
+      "points": [
+        [
+          1163,
+          326
+        ],
+        [
+          1180,
+          310
+        ],
+        [
+          1084,
+          381
+        ],
+        [
+          1051,
+          414
+        ],
+        [
+          1125,
+          351
+        ],
+        [
+          1237,
+          283
+        ],
+        [
+          1127,
+          437
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        1019,
+        283,
+        1207,
+        453
+      ],
+      "note": "Physical right bracelet hand, on image left: hand and exposed forearm; exclude bracelet and black sleeve."
+    },
+    {
+      "serial": "23007103",
+      "instance": "hand_B",
+      "t": 0,
+      "points": [
+        [
+          1332,
+          389
+        ],
+        [
+          1279,
+          431
+        ],
+        [
+          1237,
+          469
+        ],
+        [
+          1268,
+          505
+        ],
+        [
+          1201,
+          503
+        ],
+        [
+          1397,
+          364
+        ],
+        [
+          1137,
+          537
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        1175,
+        350,
+        1380,
+        532
+      ],
+      "note": "Physical left hand, on image right: bare forearm through fingertips; exclude cuff and orange cord."
+    },
+    {
+      "serial": "23007103",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          1490,
+          12
+        ],
+        [
+          1479,
+          139
+        ],
+        [
+          1535,
+          323
+        ],
+        [
+          1278,
+          200
+        ],
+        [
+          1171,
+          313
+        ],
+        [
+          1081,
+          389
+        ],
+        [
+          1127,
+          351
+        ],
+        [
+          1408,
+          307
+        ],
+        [
+          1310,
+          411
+        ],
+        [
+          1239,
+          486
+        ],
+        [
+          1772,
+          263
+        ],
+        [
+          998,
+          247
+        ],
+        [
+          1124,
+          486
+        ],
+        [
+          1129,
+          538
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        1017,
+        0,
+        1706,
+        535
+      ],
+      "note": "Whole visible human including partial chin/neck at upper edge, torso, both arms, hands and bracelet; exclude robot, table and orange cord."
+    }
+  ],
+  "notes": "Native 1920x1080 t0 grid inspected for this exact camera. Camera-native sequence length 277; no cross-camera equal-length assumption. Physical right bracelet hand is A, physical left hand is B. Agent proposal only; no acceptance and no case writes."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_v1.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_v1.json
new file mode 100644
index 0000000000000000000000000000000000000000..0695e8ab71c42c96a48c7417d1b057c79be33c53
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/proposal_prompts_c6a_v1.json
@@ -0,0 +1,255 @@
+{
+  "proposer": "c6a_20261027",
+  "prompts": [
+    {
+      "serial": "23007103",
+      "instance": "object",
+      "t": 0,
+      "points": [
+        [
+          1133,
+          438
+        ],
+        [
+          1184,
+          452
+        ],
+        [
+          1027,
+          471
+        ],
+        [
+          1041,
+          519
+        ],
+        [
+          1124,
+          539
+        ],
+        [
+          1182,
+          527
+        ],
+        [
+          1121,
+          488
+        ],
+        [
+          1238,
+          486
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        1013,
+        429,
+        1221,
+        548
+      ],
+      "note": "Visible orange loop only; skin hides right arc; exclude interior and hands."
+    },
+    {
+      "serial": "23007103",
+      "instance": "hand_A",
+      "t": 0,
+      "points": [
+        [
+          1163,
+          326
+        ],
+        [
+          1180,
+          310
+        ],
+        [
+          1084,
+          381
+        ],
+        [
+          1051,
+          414
+        ],
+        [
+          1125,
+          351
+        ],
+        [
+          1237,
+          283
+        ],
+        [
+          1127,
+          437
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0
+      ],
+      "box": [
+        1019,
+        283,
+        1207,
+        453
+      ],
+      "note": "Physical right bracelet hand, on image left: hand and exposed forearm; exclude bracelet and black sleeve."
+    },
+    {
+      "serial": "23007103",
+      "instance": "hand_B",
+      "t": 0,
+      "points": [
+        [
+          1332,
+          389
+        ],
+        [
+          1279,
+          431
+        ],
+        [
+          1237,
+          469
+        ],
+        [
+          1268,
+          505
+        ],
+        [
+          1201,
+          503
+        ],
+        [
+          1397,
+          364
+        ],
+        [
+          1137,
+          537
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0
+      ],
+      "box": [
+        1175,
+        350,
+        1380,
+        532
+      ],
+      "note": "Physical left hand, on image right: bare forearm through fingertips; exclude cuff and orange cord."
+    },
+    {
+      "serial": "23007103",
+      "instance": "occluder",
+      "t": 0,
+      "points": [
+        [
+          1490,
+          12
+        ],
+        [
+          1479,
+          139
+        ],
+        [
+          1535,
+          323
+        ],
+        [
+          1278,
+          200
+        ],
+        [
+          1171,
+          313
+        ],
+        [
+          1081,
+          389
+        ],
+        [
+          1127,
+          351
+        ],
+        [
+          1408,
+          307
+        ],
+        [
+          1310,
+          411
+        ],
+        [
+          1239,
+          486
+        ],
+        [
+          1772,
+          263
+        ],
+        [
+          998,
+          247
+        ],
+        [
+          1124,
+          486
+        ],
+        [
+          1129,
+          538
+        ],
+        [
+          1125,
+          351
+        ]
+      ],
+      "labels": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        0,
+        0,
+        0,
+        1
+      ],
+      "box": [
+        1017,
+        0,
+        1706,
+        535
+      ],
+      "note": "Whole visible human including partial chin/neck at upper edge, torso, both arms, hands and bracelet; exclude robot, table and orange cord. Owner clarification: full-person occluder includes clothing and accessories. Added positive on visible silver bracelet, confirmed against this own-camera native t0 grid. Hand_A continues to exclude bracelet."
+    }
+  ],
+  "notes": "Native 1920x1080 t0 grid inspected for this exact camera. Camera-native sequence length 277; no cross-camera equal-length assumption. Physical right bracelet hand is A, physical left hand is B. Agent proposal only; no acceptance and no case writes. Accessory revision v2 changes only the occluder bracelet positive; no window, object or hand changes. Initial proposal form; existing saved prompts require a versioned superseding correction."
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1.log
new file mode 100644
index 0000000000000000000000000000000000000000..226b72752517d7a61b132aeb0ba4a9bd9b0de383
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1.log
@@ -0,0 +1 @@
+23007103/occluder t=0: 160473 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/correction_overlays_c6a_accessory_sparse_v1/23007103/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..f72834c68dbc5af417b43de413f9f9e6f8635846
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_argv.json
@@ -0,0 +1,19 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_corrections_c6a_accessory_sparse_v1.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/correction_overlays_c6a_accessory_sparse_v1",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..078b137795c30f82ea260564bc780931d871c929
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_accessory_sparse_v1_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 9.143450021743774,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..8aad41c94e3a18f1d96f8147b5e6026bc93c25cb
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2.log
@@ -0,0 +1,4 @@
+23007103/object t=0: 4296 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_overlays_c6a_recovery2/23007103/object_t0000.png
+23007103/hand_A t=0: 10181 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_overlays_c6a_recovery2/23007103/hand_A_t0000.png
+23007103/hand_B t=0: 14703 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_overlays_c6a_recovery2/23007103/hand_B_t0000.png
+23007103/occluder t=0: 150623 seed px -> /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_overlays_c6a_recovery2/23007103/occluder_t0000.png
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7b2a5a7fd4acdfc679f382fff31b6dd1b157762
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_argv.json
@@ -0,0 +1,19 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "propose",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--proposal",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_prompts_c6a_v1.json",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--overlays",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/proposal_overlays_c6a_recovery2",
+  "--checkpoint",
+  "/mnt/data2/magna/belt_perception/third_party/phystwin_external/checkpoints/sam2.1_hiera_large.pt",
+  "--device",
+  "cuda"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..fbbe750be446b1101349ed6bc6e04f0d093c7445
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/propose_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 52.84408259391785,
+  "started_unix": 1793138703.6406608,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2.log
new file mode 100644
index 0000000000000000000000000000000000000000..f199d58623d41bdd98139be5bef9c177340ecd1c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2.log
@@ -0,0 +1 @@
+Wrote 4 role videos, 5 sheets and boundary clips to /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/review_media_c6a_recovery2
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..033bbb1e0da3da7e330627b40674352ee5ad83e7
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_argv.json
@@ -0,0 +1,27 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "review-media",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--masks",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/review_media_c6a_recovery2",
+  "--view",
+  "23007103",
+  "--t",
+  "0",
+  "--t",
+  "69",
+  "--t",
+  "138",
+  "--t",
+  "207",
+  "--t",
+  "276"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..6885465e118b8e441cfca8c57fcd24ea22a961a8
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review-media_c6a_recovery2_result.json
@@ -0,0 +1,6 @@
+{
+  "returncode": 0,
+  "wall_seconds": 166.7735722064972,
+  "started_unix": 1793138857.0651155,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1.log b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1.log
new file mode 100644
index 0000000000000000000000000000000000000000..86877ff738e024b4cdd656e69af102705513cc32
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1.log
@@ -0,0 +1 @@
+Wrote 1 role videos, 5 sheets and boundary clips to /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/review_media_c6a_accessory_sparse_v1
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_argv.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_argv.json
new file mode 100644
index 0000000000000000000000000000000000000000..a87e14136146938e6217f21fef39c346166b8842
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_argv.json
@@ -0,0 +1,29 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_real_rgbd.py",
+  "review-media",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--frames",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/inspection/frames.npz",
+  "--annotations",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/annotations",
+  "--masks",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/masks",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/review_media_c6a_accessory_sparse_v1",
+  "--view",
+  "23007103",
+  "--instance",
+  "occluder",
+  "--t",
+  "0",
+  "--t",
+  "69",
+  "--t",
+  "138",
+  "--t",
+  "207",
+  "--t",
+  "276"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_result.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_result.json
new file mode 100644
index 0000000000000000000000000000000000000000..a9f2eecc6acb63223db302263eeddc881cacc67a
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/review_c6a_accessory_sparse_v1_result.json
@@ -0,0 +1,5 @@
+{
+  "returncode": 0,
+  "wall_seconds": 30.23089361190796,
+  "accepted": false
+}
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/window_command.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/window_command.json
new file mode 100644
index 0000000000000000000000000000000000000000..57f502b6a407bcd60d1c362102705c6e5169ceba
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/cameras/23007103/window_command.json
@@ -0,0 +1,22 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_annotate_converted_session_window.py",
+  "--session-path",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--anchor-serial",
+  "23007103",
+  "--start-timestamp-ns",
+  "1790046383488120363",
+  "--end-timestamp-ns",
+  "1790046392721900075",
+  "--expected-visible-hands-or-arms",
+  "2",
+  "--object-description",
+  "taped round belt",
+  "--controller-description",
+  "hand_A = person's right hand, bracelet; hand_B = left hand. Participating: hand_A+hand_B",
+  "--notes",
+  "C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed interaction. Start = last participating hand (hand_B, person's left) closes its fingertip pinch on the far side of the belt: fingertips reach the belt at anchor ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet) had already wrapped the near side ~anchor 267-272. End = last frame before the first release: hand_B's pinch is intact through anchor 554 and its fingers open/lift at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in 17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over 277-555.",
+  "--output-path",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/cameras/23007103/phystwin_window.yaml"
+]
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/phystwin_window.yaml b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/phystwin_window.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..971be2742cab4baac89618e368938ca785fdf626
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/phystwin_window.yaml
@@ -0,0 +1,88 @@
+schema_version: 1
+kind: phystwin_interaction_window
+session:
+  path: /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+  session_id: session_20260921_230550_636767
+annotation_interface:
+  method: rerun
+  rerun_timeline: sync_time_ns
+  rerun_launch_command: uv run --no-sync python -m dataset_converter.visualize_rerun
+    --session-path /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767
+    --sensor-types zed
+  timestamp_copy_instructions: Scrub the sync_time_ns timeline in Rerun. Copy the
+    current integer-nanosecond timestamp at the desired start/end moments.
+  notes: ''
+timebase:
+  policy: native_anchor_overlap
+  sync_policy: AnchorStreamSyncPolicy
+  overlap: true
+  anchor_serial: '12540311'
+  anchor_stream_id: zed_12540311_left_rgb
+  timestamp_unit: ns
+  timestamp_reference: sync_time_ns
+  period_ns_estimate: 33444713
+  fps_estimate: 29.900092
+manual_annotation:
+  start_global_timestamp_ns: 1790046383497843427
+  end_global_timestamp_ns: 1790046392730699253
+  start_condition: hand_or_forearm_visible_and_in_contact_with_object
+  end_condition: before_release_or_contact_break
+  expected_visible_hands_or_arms: 2
+  object_description: taped round belt
+  controller_description: 'hand_A = person''s right hand, bracelet; hand_B = left
+    hand. Participating: hand_A+hand_B'
+  annotator_notes: 'C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed
+    interaction. Start = last participating hand (hand_B, person''s left) closes its
+    fingertip pinch on the far side of the belt: fingertips reach the belt at anchor
+    ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet)
+    had already wrapped the near side ~anchor 267-272. End = last frame before the
+    first release: hand_B''s pinch is intact through anchor 554 and its fingers open/lift
+    at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in
+    17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over
+    277-555.'
+resolved_window:
+  start_sync_index: 277
+  end_sync_index_exclusive: 554
+  start_anchor_timestamp_ns: 1790046383497843427
+  end_anchor_timestamp_ns: 1790046392730699253
+  frame_count: 277
+  duration_s: 9.232856
+per_camera_resolution:
+  '12540311':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383497843427
+    end_source_timestamp_ns: 1790046392730699253
+    start_delta_ns: 0
+    end_delta_ns: 0
+  '12933256':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 553
+    start_source_timestamp_ns: 1790046383481543315
+    end_source_timestamp_ns: 1790046392716396353
+    start_delta_ns: -16300112
+    end_delta_ns: -14302900
+  '17736741':
+    start_source_frame_index: 277
+    end_source_frame_index_exclusive: 554
+    start_source_timestamp_ns: 1790046383482492843
+    end_source_timestamp_ns: 1790046392715443845
+    start_delta_ns: -15350584
+    end_delta_ns: -15255408
+  '23007103':
+    start_source_frame_index: 278
+    end_source_frame_index_exclusive: 555
+    start_source_timestamp_ns: 1790046383488120363
+    end_source_timestamp_ns: 1790046392721900075
+    start_delta_ns: -9723064
+    end_delta_ns: -8799178
+validation:
+  within_all_camera_overlap: true
+  start_before_end: true
+  min_abs_camera_delta_ns: 0
+  max_abs_camera_delta_ns: 16300112
+  warnings: []
+created_by: manual
+created_at: '2026-10-27T19:22:52+00:00'
+updated_at: '2026-10-27T19:22:52+00:00'
+
diff --git a/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/window_command.json b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/window_command.json
new file mode 100644
index 0000000000000000000000000000000000000000..c355d2c6d4503a284c022d6e6716619b6ef5d48c
--- /dev/null
+++ b/sessions/session_20260921_230550_636767/preprocessing/mask-supplier-window-anchor0278-0554/native/window_command.json
@@ -0,0 +1,22 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python3",
+  "scripts/phystwin_annotate_converted_session_window.py",
+  "--session-path",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_230550_636767",
+  "--anchor-serial",
+  "12540311",
+  "--start-timestamp-ns",
+  "1790046383497843427",
+  "--end-timestamp-ns",
+  "1790046392730699253",
+  "--expected-visible-hands-or-arms",
+  "2",
+  "--object-description",
+  "taped round belt",
+  "--controller-description",
+  "hand_A = person's right hand, bracelet; hand_B = left hand. Participating: hand_A+hand_B",
+  "--notes",
+  "C6a AGENT PROPOSAL, NOT owner accepted. Continue C1 exact proposed interaction. Start = last participating hand (hand_B, person's left) closes its fingertip pinch on the far side of the belt: fingertips reach the belt at anchor ~275-277 and are on it from 278 (12540311 single-frame scan). hand_A (bracelet) had already wrapped the near side ~anchor 267-272. End = last frame before the first release: hand_B's pinch is intact through anchor 554 and its fingers open/lift at 555-557; hand_A leaves at ~557-558 (12540311 single-frame scan, confirmed in 17736741). No regrasp, hand change or visible slip at stride 8 in 17736741 over 277-555.",
+  "--output-path",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_230550_636767/window_anchor0278-0554/phystwin_window.yaml"
+]