Restore Human Hand input metadata: inputs/human_hand/schema.json

inputs/human_hand/schema.json

@@ -0,0 +1,24 @@
+{
+  "schema_version": "worldoracle.human_hand.absolute_pose.v1",
+  "embodiment": "ego_human_bimanual",
+  "fps": 15.0,
+  "contains_delta_action": false,
+  "initial_observations": {
+    "description": "Frame 0 input images for the released camera views."
+  },
+  "hand_camera_poses": {
+    "path": "controls/hand_camera_poses.npz",
+    "alignment": "sample t corresponds to episode frame t",
+    "arrays": {
+      "left_positions_camera": "[T, 21, 3] float, left-hand joints in camera coordinates",
+      "right_positions_camera": "[T, 21, 3] float, right-hand joints in camera coordinates",
+      "left_quaternions_camera_xyzw": "[T, 21, 4] float, XYZW quaternions",
+      "right_quaternions_camera_xyzw": "[T, 21, 4] float, XYZW quaternions",
+      "left_valid": "[T] boolean validity mask",
+      "right_valid": "[T] boolean validity mask",
+      "camera_position_world": "[T, 3] float camera-reference position",
+      "camera_quaternion_world_xyzw": "[T, 4] float XYZW camera-reference orientation",
+      "camera_valid": "[T] boolean validity mask"
+    }
+  }
+}