Upload H2O shared-v1.0 (part 80)

.gitattributes

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+  "dataset_id": "H2O",
+  "release_id": "shared-v1.0",
+  "sequence_id": "subject4_o2_0",
+  "camera_id": "cam2",
+  "sample_type": "video",
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+  "hand_slots": [
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+    "right"
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+        "left_shapedirs_correction": "not_applied",
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+          }
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+        "meaning": "annotation usable for supervision, not merely record presence",
+        "source_rule": "Per-hand hand_pose_mano flag equals 1; corresponding side model available",
+        "source_locator": {
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+          "source_field": "component_sources"
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+          "reason": "No separate applicable official QA in selected source inputs"
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+        "method": "Copy source annotation; normalize storage only"
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+        "revision": "usable-annotation-2026-09-20",
+        "meaning": "annotation usable for supervision, not merely record presence",
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+        "source_locator": {
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+      "valid_axes": [
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+      "data_ref": "annotation/object/cappuccino/keypoints/xyz.pt",
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+      "valid_axes": [
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+      "reason": "No source contact/grasp annotation",
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