按语言分拣物体任务成功

I need to control the robot to sort the objects, with a plan based on careful interpretation of the image geometry. Reading the robot-manipulation skill is required, so I will read it and inspect the observation file and camera calibration first. There appear to be eight objects: two red peppers, one on the left and one toward the middle-right; three wooden toys, approximately at image coordinates (290, 260) in the center-left, (432, 294) in the front-right, and (516, 229) in the back-right; and three watches, including a small silver one at (243, 254), a dark one at (338, 289), and another at (471, 253). These counts are tentative: two peppers, three toys, and three watches would make eight objects in total. The peppers should go into the white basket on the left, the wooden toys into the blue basket in the middle, and the watches into the red basket on the right. I have 1100 control steps available, which should be enough. I may be able to use both arms in parallel.

The calculated camera position differs from my earlier manual estimate; I may have made an error with -R.T. I will verify it using the second row of R, [0, -0.866, -0.5], and the third row, [0, 0.5, -0.866]. For R.T @ t, x is 0, y is -0.866 × 0.2989 + 0.5 × 1.3378 = 0.4101, and z is -0.5 × 0.2989 - 0.866 × 1.3378 = -1.308. Thus, the camera has y = -0.4101 and z = 1.308, consistent with the calculated y of approximately -0.41. Is it above the back of the table? The initial grippers, at y = -0.352, are near the camera. In the head-camera image, the table’s front edge is at the bottom and its back is at the top. The objects at y around -0.1 therefore seem to be in front of the baskets. Are the baskets around y = 0.0? Using an example basket-center pixel of (192, 175) and an assumed z of 0.85 gives x = -0.258 and y = 0.128. That suggests the baskets are around y = 0.12, with the objects at y from -0.1 to -0.2 in front of them. The initial end effectors at y = -0.352 are near the table’s front. I still need to estimate the tabletop’s z coordinate. The camera is at z = 1.308 and the end effectors are at z = 0.9215. The fingertips appear near the tabletop, which may be at z = 0.75. I will use the pepper’s apparent size to investigate: with the pepper at z = 0.79, its height might be 0.08. In the left-wrist image, it spans vertical pixel coordinates 317–427. If the tabletop is at z = 0.75, would the pepper’s base project to v = 424? The left-wrist camera is at x = -0.2995, but I still need its y coordinate. I will derive each camera center C from its transform.

A downward quaternion of [0.5, 0.5, 0.5, -0.5] maps the local Y closing direction to global X, which may suit objects with a small X width. The pepper looks roughly cylindrical, so closing along either X or Y should work. The center toy appears elongated along the image’s vertical direction, probably global Y, so gripping across its width along X seems appropriate. The watches also appear to have bands elongated along Y, with their faces near the bottom of the image. I could grip across a band along X, but there may be an open hole near the center, and the fingers might descend into it. Gripping the watch case across X, near the end with more negative global Y, seems more stable. Its round face appears about 0.04 m wide in X. These objects may all be small. I still need a better estimate of the tabletop height. I may be able to use the images, calibration, and known fingertip geometry to check the object base plane. In the head image, the left fingertips appear approximately at pixels (95, 243) and (151, 250). Initially, the open fingers point along global +Y from link6 and remain at z = 0.9215 m, putting their tips around y = -0.195 m. For the point (-0.3, -0.195, 0.9215), I estimate camera coordinates x = -0.3, y = -0.866 × 0.215 - 0.5 × (-0.3864) = 0.0071, and z = 0.5 × 0.215 - 0.866 × (-0.3864) = 0.4421. This projects to u = 124.4 and v = 235.4. The image tips also seem approximately at (96, 244) and (147, 245); their separation could reflect an X spread of about ±0.04 m from local Y opening. A tip at y around -0.195 m and z around 0.92 m projects near v = 235. Objects at z = 0.75–0.80 m project around vertical pixels 240–295, so a tabletop height of 0.75 m remains plausible. The basket rims may be at z = 0.85 or 0.88 m, with their bases at z = 0.75 m. The left basket spans roughly pixels x = 124–257 and y = 140–213, with its center around (190, 178). I estimate that center at world x = -0.26 m, y = 0.11 m, and z = 0.83 m. What Y coordinate would its front base have at vertical pixel 212 if z = 0.75 m? I could generate projections and inverse projections on the table plane to inspect this. Before rotating downward, I should avoid contact by lifting to z = 1.05 m, possibly moving forward to y = -0.22 m, and splitting the motion to respect the 0.25 m target-distance and 1 rad orientation limits. I have several possible arm assignments. One is for the left arm to handle the left pepper, left watch, center toy, and center watch at x = +0.036 m, while the right handles the right pepper, front-right toy, right watch, and back-right toy. The central objects require the left arm to cross slightly, and putting the left watch in the right basket would require a longer crossing. The right basket is around x = 0.25 m: moving the left end effector from x = -0.3 m to +0.25 m spans about 0.55 m and would need several targets. The left watch at x = -0.166 m would travel about 0.43 m to a basket at x = +0.26 m. Is that within the arm’s reach? The maximum reach might be about 0.65 m, and the initial poses may be about 0.5 m from the baskets, but these are estimates. Having the right arm retrieve the left watch would also require a long movement from x = +0.3 m to -0.166 m. A left-arm transfer above the middle basket may be feasible. Another distribution would give the left arm the left pepper, left watch, and center toy, and the right arm the center watch, right pepper, front toy, right watch, and back toy. Alternatively, each arm could take four objects: the left could handle the left pepper, left watch, center toy, and center watch, while the right handles the right pepper and the three remaining right-side objects. The right pepper’s transfer from approximately (0.135, -0.09, 0.8) to the white basket at (-0.26, 0.11, 0.85) would involve about 0.4 m leftward and 0.2 m forward travel. Keeping it above z = 1.0 m may provide clearance, but simultaneous central crossings could bring the arms together, so I would need to stagger them or keep them separated. A more natural assignment may be for the left arm to handle both peppers, the center toy, and the left watch, and for the right arm to handle the center/front watch, front-right toy, right watch, and back-right toy. The left arm would move the right pepper from x = 0.135 m to roughly -0.25 m, while the right arm would move the center watch from x = 0.036 m to the red basket around x = 0.25 m. The center toy’s transfer from x = -0.06 m to the blue basket at x = 0 is short. The remaining difficult transfer is the left watch from x = -0.166 m to the red basket at x = 0.25 m, about 0.43 m laterally. I could transport it above the blue basket at z = 1.0 m. Can the left arm reach x = 0.25 m, y = 0.1 m, z = 1.0 m? I am uncertain about the ARX X5 base geometry around x = ±0.3 m and y = -0.352 m, so I should use the IK precheck and adapt. A handoff is probably unnecessary. If direct placement fails, the left arm could put the watch near the center for the right arm to retrieve, though that adds work. For the first pair, I could grasp the left pepper and front-right wooden toy together, rather than starting with the right pepper or right watch. The right pepper is around x = 0.135 m, y = -0.089 m, and perhaps z = 0.79 m, closer to the center. The front-right toy is around x = 0.22 m, y = -0.219 m. The left pepper’s path from (-0.342, -0.106) to the white basket around (-0.26, 0.1), and the front-right toy’s path from (0.22, -0.219) to the blue basket around (0, 0.1), appear mostly separated. The right arm would approach x = 0 near the basket while the left remains around x = -0.26 m. A second pair could be the center toy at (-0.06, -0.14), placed in blue, and the right watch at (0.326, -0.123), placed in red. Pairing the left watch at (-0.166, -0.126) with the center watch at (0.036, -0.203) would send both arms toward the red basket, so those placements would need staggering. I could instead pair the center watch with the right pepper going to white. I can reorder later; every grasp need not be simultaneous. Sequential manipulation is also an option and would simplify collision planning. There are 1100 control steps available. A pick and placement might take about 40 steps using 5–10 steps for travel and 2–3 near contact; even allowing 60 steps per object gives 8 × 60 = 480 steps. Holding the idle arm at its initial pose may be sufficient. The right fingertips initially extend to about y = -0.195 m, z = 0.92 m, above the front-right toy at y = -0.219 m, z = 0.77 m, giving about 0.15 m vertical clearance. The idle right arm at x = 0.3 m also appears separated from the left arm’s route to the right pepper. However, rotating the right gripper near the front-right toy could cause contact, so I should move upward or backward first. Using one arm at a time remains an easy, robust fallback within the budget. For the approach, I could first move only the left arm toward the pepper while holding the right arm. The initial fingers are horizontal, so rotating in open space around z = 1.02 m and y = -0.28 m would be preferable to rotating near the tabletop. The pepper’s estimated X and Y coordinates are -0.342 m and -0.106 m. With downward fingers, the fingertip Z coordinate is link6 Z minus 0.1576 m, while its Y is approximately link6 Y. For a grasp center at z around 0.80 m, I initially considered adding 0.13 m to obtain the link6 height. Contact may actually occur around local x = 0.12 m, suggesting link6 z = object z + 0.12 m, or about 0.92 m. The initial link6 height of 0.9215 m would therefore be suitable after rotation, with fingertips near z = 0.764 m above a table at 0.75 m. I should align link6 X and Y with the grasp center and might use a final link6 height around 0.91 m. Rotating at the initial pose, approximately (-0.3, -0.352, 0.922), would sweep the fingertips from y = -0.195 m, z = 0.922 m to y = -0.352 m, z = 0.764 m. That may be over empty front-table space, but the table’s front edge could be near y = -0.4 m, and the final fingertips would be only 0.014 m above the estimated tabletop. The gripper could hit the table during rotation. I should lift to z = 1.05 m first, rotate downward, move over the object, and then descend. One initial lift option is to move the left arm to z = 1.08 m at its current X and Y, retaining the horizontal quaternion and an open gripper. That is a 0.1585 m position change, within 0.25 m, with zero orientation change; I could allow 5 steps. I could also lift the right arm in preparation. For a simultaneous preparation, I am considering lifting both to z = 1.06 m and rotating there through intermediate orientations. I need to choose the downward quaternion carefully. I initially thought of interpolating from q0 = [0.707, 0, 0, 0.707] to [0.5, 0.5, 0.5, -0.5], perhaps using an intermediate orientation of about 60° or the tentative quaternion [0.6533, 0.2706, 0.6533, -0.2706]. But the dot product of q0 and that downward quaternion is 0.35355 - 0.35355 = 0, so the quaternion separation is 90° and the whole relative rotation is π, or 180°. I had initially treated it as a 90° rotation. The downward quaternion [0.707, 0, 0.707, 0] has a dot product of 0.5 with q0, giving a relative rotation of 120°, or 2.094 rad. It closes along global Y, which may work for the pepper but would be less suitable for the center toy elongated along Y. The other downward orientation, [0.5, -0.5, 0.5, 0.5], is better. Its dot product with q0 is 0.3535 + 0.3535 = 0.7071, so its relative rotation is only 90°. Its rotation matrix is [[0, -1, 0], [0, 0, 1], [-1, 0, 0]]: local X points down, local Y points along global -X for closing across X, and local Z points along global +Y. The wrist camera may then look downward, which should help. I will use this quaternion. The 90° rotation is 1.5708 rad, exceeding the 1 rad target limit, so I should split it into a halfway 45° orientation and the final orientation. I will compute the intermediate quaternion with SciPy.

The relative rotation is -90° about global X. The initial orientation q0 is a 90° rotation about Z; perhaps qd can be expressed as Rx(-90°) × q0. I can use the intermediate quaternion [0.6533, -0.2706, 0.2706, 0.6533] in wxyz order. I will lift both arms to z = 1.08 m, keeping their X and Y positions the same, then rotate to the intermediate orientation and finally to the downward orientation. I should maintain visibility in the head camera. I am considering 5 control steps for the lift.

Both arms rose only 0.0685 m in 6 control steps, despite the maximum increment of 0.02 m per step; perhaps an interpolation ramp explains the slower motion. I should allow more steps to reach the target or repeat the lift. Their measured link6 height is now z = 0.99 m. I can continue lifting both arms to z = 1.08 m while rotating to the intermediate orientation. The target translation is approximately 0.09 m and the orientation change is 0.785 rad, both within the command bounds. Perhaps 5 control steps would be enough.

Both arms’ orientations changed by only about 0.192 rad over 6 control steps, despite the maximum orientation increment of 0.1 rad per step. Could an interpolation ramp account for roughly 0.032 rad per step? Perhaps the control dynamics are slow. I need to allow enough steps to reach the target; 10 or 15 steps could be suitable for navigation. The measured link6 height is now z = 1.025 m. I considered moving to the final downward quaternion and a pregrasp position above the first objects, but the remaining rotation to that quaternion is about 1.38 rad, exceeding the 1 rad command limit. I should repeat the intermediate orientation target while continuing the lift to z = 1.08 m. I could allow 8 steps to approach that intermediate pose, then command the final orientation.

The wrist cameras now show the objects clearly. In the left-wrist view, the pepper is near pixel (270, 260), the watch is near x = 490, and the toy is at the far right. In the right-wrist view, the front toy is at the bottom-left, the back toy is on the right, the center watch is in the center, and the left pepper is on the left. The intermediate orientation has not yet been reached; perhaps the rotation from the initial orientation is about 0.5 rad. I should check whether the final downward quaternion is within the orientation limit. Using the approximate current quaternion [0.684, -0.177, 0.177, 0.684] and the final quaternion [0.5, -0.5, 0.5, 0.5], their dot product is 0.342 + 0.0885 + 0.0885 + 0.342 = 0.861. I estimate the relative rotation as 2 acos(0.861) = 0.535 rad, below 1 rad. I can move toward pregrasp positions while commanding the final orientation. For the left arm, I considered (-0.342, -0.106, 1.04) m, but the distance from its measured position (-0.3, -0.351, 1.074) m to an alternative at (-0.342, -0.106, 1.02) m is approximately sqrt(0.0018 + 0.060 + 0.0029) = 0.2545 m, slightly above the 0.25 m limit. A target at (-0.335, -0.14, 1.05) m would be about 0.216 m away. For the right arm, a target above the front toy at (0.22, -0.219, 1.05) m has displacement magnitudes (0.08, 0.132, 0.024) m and a distance of about 0.157 m. I would like the final pregrasp X and Y coordinates to match the objects exactly, perhaps at z = 1.00 m. I could first rotate downward and move the left arm to (-0.335, -0.14, 1.06) m within the 0.25 m limit, then refine its alignment. Another right-arm target is (0.22, -0.219, 1.04) m. The tabletop height is still uncertain. With downward fingers and link6 at z = 1.04 m, the fingertip height would be 1.04 - 0.1576 = 0.882 m, about 0.09 m above the toy’s estimated z = 0.79 m. The left pepper’s top may be around z = 0.85 m, so fingertips at z = 0.882 m would be just above it. I will use 10 control steps with the left target at (-0.342, -0.13, 1.05) m, which I estimate is 0.229 m away, and the right target at (0.22, -0.219, 1.05) m. Both grippers will remain open and use the downward quaternion [0.5, -0.5, 0.5, 0.5].

I forgot the factor of two when calculating the orientation distance. The dot product between the approximate current quaternion and the final downward quaternion is 0.684 × 0.5 + (-0.177) × (-0.5) + 0.177 × 0.5 + 0.684 × 0.5 = 0.342 + 0.0885 + 0.0885 + 0.342 = 0.861. Since acos(0.861) is about 0.535 rad, consistent with cos(0.535) ≈ 0.859, the whole rotation is about 2 × 0.535 = 1.07 rad. That exceeds the 1 rad command limit. I could choose an intermediate orientation 80% of the way from the current orientation to the final one, giving a rotation of about 0.856 rad, or choose an orientation about 1.2 rad from the initial orientation. A tentative target quaternion in wxyz order might be around [0.6066, -0.367, 0.367, 0.6066], but I should calculate it precisely. The earlier intermediate target was [0.6533, -0.2706, 0.2706, 0.6533], while the measured quaternion is approximately [0.684, -0.177, 0.177, 0.684]. The measured orientation is only about 0.5 rad from the initial orientation, rather than the intermediate target’s 0.785 rad, leaving about 1.07 rad to the final orientation. I will use SciPy with the measured quaternion to calculate a target 80% of the way through that remaining rotation.

I will use the intermediate quaternion [0.55025, -0.4441, 0.4441, 0.55025] in wxyz order for both arms. I will keep the previously chosen link6 position targets: [-0.342, -0.13, 1.05] m for the left arm above the pepper and [0.22, -0.219, 1.05] m for the right arm above the wooden toy. I will allow 10 control steps.

The motion is still partial: the arms moved about 0.08 m along Y over 10 control steps, and their orientations may have changed by about 0.4 rad. I need to continue toward the targets. The dot product of the left arm’s current quaternion with the final downward quaternion is 0.634 × 0.5 + 0.315 × 0.5 + 0.313 × 0.5 + 0.633 × 0.5 = 0.9475, giving an orientation distance of about 0.649 rad, below the 1 rad limit. I could move to the estimated object X and Y coordinates at z = 1.01 m. For the left arm, moving from its measured position (-0.313, -0.273, 1.06) m to an alternative target of (-0.342, -0.106, 0.99) m would have a distance of approximately sqrt(0.00084 + 0.0279 + 0.0049) = 0.1835 m. For the right arm, moving from (0.262, -0.279, 1.057) m to (0.22, -0.219, 1.0) m would be about 0.09 m. Instead, I will use a pregrasp height of z = 1.02 m for both arms, then inspect the wrist views to refine the alignment. The estimated object X and Y coordinates may be off because of the assumed object heights; the downward wrist views should help check them. I will target the left link6 position at (-0.342, -0.106, 1.02) m above the pepper and the right at (0.22, -0.219, 1.02) m above the toy, using the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order and open grippers for 12 control steps. At the target pose, the fingertips would be at about z = 0.862 m, above the pepper’s possible top height of 0.84 m and the toy’s estimated top height of 0.82 m. That clearance is small but seems acceptable. Given the partial progress so far, the arms may finish this action around z = 1.04 m rather than reaching the target height.

The wrist images now show a top-down view. The fingers appear along the lower left and right edges, while the object appears near the top center. Perhaps the gripper center is at pixel x = 320, with its vertical coordinate still unclear, and the object is ahead of it. I should use the updated camera extrinsics and known local gripper geometry to determine where the grasp point projects in the images. I can project link6 and a possible finger-contact point at local coordinates (0.12, 0, 0) m. I can also estimate the object’s world position from its image coordinates and an assumed table plane. With the final downward quaternion, does the wrist camera point downward and slightly forward? The current calibration should help check this. I will inspect the current observation, calculate the projected tool-contact pixels, and inverse-project the object centroids using assumed heights, such as z = 0.80 m for the pepper centroid and z = 0.78 m for the toy centroid.

The stereo estimate of the left pepper’s center agrees with the initial X and Y estimates and gives z ≈ 0.793 m. This supports my estimate of a tabletop height around 0.75 m. The left link6 is currently at y = -0.181 m, while the pepper is at y ≈ -0.107 m, so I still need a +0.074 m adjustment along Y. The stereo estimate for the front-right toy gives y ≈ -0.229 m, close to the initial head-camera estimate of -0.219 m. The right link6 is currently at y ≈ -0.22 m. Where should the toy’s center project vertically in the wrist image? I calculated a possible finger-contact point at v ≈ 428 pixels, while the toy center is at roughly the same Y coordinate but z ≈ 0.79 m. The right wrist camera is at y ≈ -0.1646 m and z ≈ 0.937 m, with an approximately top-down orientation. Why does the toy appear at v ≈ 220 pixels? Perhaps there is a sign issue in my interpretation of the camera orientation or projection. I will project the triangulated toy point into the current right-wrist and head-camera views to check this.

The projections are consistent. The tool-contact point projects near v = 428 pixels, while the toy appears near v = 216 pixels despite having nearly the same world Y coordinate. The contact point is at z ≈ 0.899 m, about 0.109 m above the toy at z ≈ 0.790 m. With the camera looking downward, how does that height difference affect the vertical image position? The contact point is at approximately (0.2207, -0.2136, 0.8992) m, and the right wrist camera is at (0.2206, -0.1646, 0.9370) m. The contact point’s optical Y coordinate might be around +0.045 m, though I have not established it precisely; it projects near v = 428 pixels. The toy, at y ≈ -0.229 m and z ≈ 0.790 m, has optical Y ≈ -0.0095 m and projects near v = 216 pixels. I should not adjust world Y solely from an image offset between points at different heights. Descending by about 0.109 m would lower the contact point to the toy’s height. I initially thought its projection would then change to match the toy if their X and Y coordinates aligned. However, the camera is fixed to the gripper, so the projection of a fixed local tool point should remain near v = 428 pixels regardless of the link6 pose. Instead, the object’s projection changes as the camera descends. Will its vertical pixel coordinate increase or decrease? For the toy at y = -0.229 m and z = 0.79 m, lowering the camera from z = 0.937 m by 0.109 m would put it at z = 0.828 m, leaving about 0.038 m of vertical separation. The toy might project toward v = 450 pixels, but I should calculate the prediction using a downward gripper with link6 z = 0.91 m, placing the contact point at z = 0.79 m. If the object and contact point share X and Y coordinates, the object should project near v = 428 pixels. The right link6 is already nearly aligned with the toy in X and Y, so descent should bring the toy toward that contact projection. A substantial Y adjustment is unnecessary. I should refine the right target X from about 0.22 m to 0.212 m and Y from about -0.22 m to -0.229 m; that Y difference is small. The left arm still needs a larger adjustment: its link6 Y is about -0.181 m, while the pepper is at about -0.107 m, requiring a +0.074 m change. I still need to determine the correct link6 height for grasping. The pepper’s estimated center is at z = 0.793 m. Its height might be about 0.075 m, extending from a base at z = 0.75 m to a top at z = 0.825 m. Yet the base triangulation gave z ≈ 0.785 m rather than 0.75 m. Perhaps the matched head-camera pixel (156, 248) and left-wrist pixel (291, 116) do not represent the actual base or the same visible point. Could the object appear to be floating? The apparent base is near vertical pixel 249 in the head view. If the table is at z = 0.75 m, where would a base point with x ≈ -0.34 m and y ≈ -0.128 m project? I could infer the table plane by matching the base more precisely. A possible pair is head-camera pixel (156, 250) and wrist pixel (290, 120), but would that still triangulate to z ≈ 0.79 m? The base estimate being nearly at the center’s height may reflect mismatched visible points. The tabletop could perhaps be at z = 0.75 m or 0.80 m; I have not resolved that. Matching several object bases could provide a more consistent estimate. A watch lying flat could also help estimate the surface height. Its center is near head-camera pixel (338, 288), but it may no longer be visible in the current right-wrist view. At observation 44, I see only the toy there; perhaps the watch is below the frame. I recall a possible watch position near x = 340 pixels with an uncertain vertical coordinate, and the center watch was around (400, 185) in observation 32. It may have left the view as the arm moved toward the front toy. I could use observation 32, where both the watch and toy were visible, for triangulation. Alternatively, I could estimate table height from accurately matched points on the toy’s bottom. Its bottom tip appears near wrist pixel (279, 297), with a possible head-camera match near (424, 307). I should inspect enlarged crops or reopen the original image with view_image to identify those points more precisely.

Both arms have now reached their target positions and the exact downward orientation. The pepper’s image center is at (326, 158) pixels, and the toy’s is at (327, 169). Earlier, the tool-contact point at local x = 0.12 m projected to a constant v ≈ 428 pixels, while the fingertip at local x = 0.1576 m projected to v ≈ 275 pixels. The object centers are around v = 160 pixels, above the fingertip projection. Will they move downward in the images as the grippers descend? I should predict their projections for a link6 target height of z = 0.91 m, considering a descent of 0.12 m with X and Y unchanged. Since each wrist camera has a fixed transform relative to link6, I can use the current camera extrinsics, link6 position, and quaternion to model a virtual camera at different end-effector heights. I can calculate the objects’ pixel coordinates at several Z levels and their 3D distances from the tool-contact points. I am considering deriving the camera pose in the link6 frame from the camera center C minus the link6 position, using the link6 rotation. For a pure Z translation dz with orientation unchanged, the new camera center is C + [0, 0, dz], and the camera rotation stays the same. I will use this to project both the pepper and the toy at different heights.

At a link6 height of z = 0.92 m, the pepper and toy centers are predicted to project to v = 388 and 371 pixels, respectively, near the finger-contact projection at v = 428 pixels. A contact point at local x = 0.12 m would then be at world z = 0.80 m, close to the estimated object-center heights of 0.793 m for the pepper and 0.790 m for the toy. I will use link6 z = 0.92 m as the intended grasp height. The pepper’s radius is approximately 0.035 m, so closing across its body at z = 0.80 m seems suitable; contact at that height also seems reasonable for the toy. The fingertips would be at z = 0.7624 m, near the estimated tabletop height of 0.75 m. Using the rounded fingertip height of 0.762 m gives 0.012 m of clearance, which I consider safe. I will first lower both arms toward z = 0.94 m for 3 control steps, following the short-step guidance near contact, then inspect the observation. The left link6 is currently at z = 1.0299 m, about 0.09 m from that target, and the right is at z = 1.02 m. Actual motion may be around 0.008 m per step, perhaps about 0.03 m over the 3 steps, so they may not reach the target yet. I will keep the exact downward orientation and both grippers open.

The object center is now near vertical pixel v = 200. I could continue lowering toward a link6 height of 0.93 m or 0.92 m. Based on the recent motion, 3 control steps may lower the arms by about 0.033 m, taking the left from 0.996 m to 0.963 m and the right from 0.987 m to 0.954 m. Another 3 steps toward the 0.92 m target might bring the actual height to about 0.93 m. I will target 0.92 m for 3 steps and inspect the next observation. I expect the left and right heights to remain around 0.963 m and 0.954 m, respectively, still above contact.

The pepper’s center is now near pixel (330, 255), and the toy’s center is near (335, 280). At a link6 height of z = 0.92 m, their predicted vertical image coordinates are v = 388 and 371 pixels, respectively, compared with the finger-contact projection at v = 428 pixels. Another 3 control steps toward that height will likely bring the left and right link6 heights to about 0.929 m and 0.925 m. Are the open fingertips now near the objects’ sides? The black fingers appear on the left and right near the bottom of the images, at vertical coordinates of about 270 pixels and below. The toy occupies roughly vertical pixels 130–420. The pepper spans horizontal pixels 224–440, a width of 216 pixels. At the estimated current depth of 0.08 m, could its actual width be about 0.043 m? Using a focal length of 397 pixels gives 397 × 0.043 / 0.08 = 214 pixels, which agrees closely. At v = 350 pixels, the gripper’s inner edges appear near x = 80 and 550 pixels, giving a gap of about 470 pixels, or approximately 0.095 m. That seems wide enough. The toy extends diagonally from vertical pixel 130 to 421 and appears about 210 pixels wide. At the intended contact height of z = 0.80 m, the objects should fit between the fingers. I will descend for another 3 control steps with both grippers open.

The pepper now appears very large in the wrist image, spanning roughly horizontal pixels 170–515 and vertical pixel 195 to the bottom of the image. Its center may be around (340, 400). The toy also appears large. The fingers are near horizontal pixels 110 and 520 at vertical pixel 260, with a gap of perhaps 400 pixels at vertical pixel 350. The pepper’s width is about 345 pixels, so it appears to fit between them. At link6 z = 0.927 m, the contact point is at z = 0.807 m, slightly above the pepper’s estimated center at z = 0.793 m by 0.014 m. The pads extend along local x from about 0.08 to 0.1576 m, giving a contact region at world z = 0.769–0.847 m. This seems suitable. I could lower toward z = 0.92 m for one or two steps, perhaps settling at 0.922 m, but closing at the current height may already put the pads around the upper body rather than the table. Where exactly is the toy’s center along X? The fingers close along global X, and the toy appears elongated diagonally in the image’s vertical direction. Its width across X at the contact region may span pixels 230–510, or about 280 pixels, so it also appears to fit. I will close both grippers at their current poses for 3 control steps. I considered 2–3 steps; closure interpolation might need about 4, but I will use 3 first. There is no need to lower further because the contact region is already around the object centers. If the pepper’s base and tabletop are at about z = 0.75 m, the fingertips at z = 0.7694 m have about 20 mm of clearance. I am using the same base-height and fingertip-clearance estimate for the toy. After closure, I will make a small test lift of +0.04 m along Z with the grippers closed for 3 steps, then inspect whether the objects move with them.

After 3 control steps, the reported gripper opening commands are 0.419 on the left and 0.357 on the right, so closure is not yet complete. Both objects remain visible between the fingers. They might already be gripped with the opening command still around 0.4, but I am uncertain whether lifting now would be stable. I will keep both grasp poses stationary and continue closing for another 3 control steps, consistent with the 1–3-step guidance for closure, before attempting the test lift.

The gripper openings have settled at nonzero values, which I interpret as contact with the objects. I will make a small test lift with both grippers commanded closed and their orientations held steady for 3 control steps. The left link6 target height is 0.977 m, and both arms will target a +0.05 m vertical change; I expect the actual lift during these steps to be about 0.03 m. I will check whether both objects move with the grippers. If they are grasped, they may stay in roughly the same relative positions in the wrist views while visibly rising in the head-camera view.

In the head-camera view, the pepper is now at pixel (144, 228), compared with its initial position at (156, 238), so it has lifted and follows the gripper. The toy is at (444, 292) and may have lifted slightly; its position in the wrist view remains stable. I can now prepare to transport them to the baskets by locating the basket centers and choosing release heights. The basket interior bases may be at z = 0.75 m, with the rims at about z = 0.83 m. Should I use a plane at z = 0.78 m to estimate their centers from the image? The white basket’s interior bottom appears to form a quadrilateral with corners around pixels (151, 162), (234, 163), (225, 192), and (160, 191), giving a possible base center at (193, 176). If the base is at z = 0.75 m, would inverse projection give x ≈ -0.262 m and y ≈ 0.105 m? I will calculate the positions at several assumed heights. The blue basket’s base center appears near (320, 177), and the red basket’s near (448, 176). I could inverse-project them at z = 0.76 m or 0.78 m. The basket bottoms are probably near the tabletop at z = 0.75 m, but the inner bases might be at z = 0.765 m, with walls about 0.08 m high. In the head image, the baskets extend from roughly vertical pixel 140 at the top to 212 at the front bottom; a rear top point is around (140, 140). For release above a basket center, I initially considered a link6 height near z = 0.98 m, with the object bottom perhaps about 0.157 m below link6. The pepper’s estimated center is 0.134 m below link6, based on link6 z = 0.927 m and object-center z = 0.793 m. Its bottom may be about 0.177 m below link6. At link6 z = 1.02 m, this would put the object center at z = 0.886 m and its bottom at z = 0.843 m, above a possible rim height of 0.83 m. Releasing over the center at link6 z = 1.03 m could let the object fall about 0.05 m into the basket, which seems safe. The X and Y placement targets should correspond to the basket base centers. I will inverse-project pixel centers (193, 177), (320, 177), and (448, 177), considering a base height of z = 0.76 m.

The inverse projection gives the white basket’s center x = -0.3276 m, or about -0.328 m, if its base center is at horizontal pixel 192. That differs from my earlier guess of -0.26 m. With a camera focal length of about 288 pixels and a depth of 0.65 m, would x be about -0.288 m? The basket appears about 125 pixels wide, perhaps corresponding to a physical width of 0.28 m. If its width were 0.25 m, its projected width would be 288 × 0.25 / 0.6 = 120 pixels. The basket centers may therefore be near x = [-0.3, 0, 0.3] m and y = 0.1 m. The initial arm X coordinates of ±0.3 m align with the white and red baskets. Possible placement coordinates are white (-0.30, 0.09) m, blue (0, 0.09) m, and red (0.30, 0.09) m. In the initial head image, the white basket’s outer horizontal bounds are approximately 124–258 pixels, centered at 191; the blue basket spans 260–380, centered at 320; and the red spans 384–511, centered at 447. The rear top rim is near vertical pixel 140 and the front bottom near 212. The interior base plane may be near vertical pixel 174. Assuming a base height of z = 0.78 m gives a center y = 0.0669 m, whereas z = 0.75 m gives y = 0.0983 m. I will choose y = 0.08 m. The basket depth might be 0.18 m, perhaps extending from y = 0.02 to 0.20 m. I could infer rim corners using an assumed rim height of z = 0.85 m: what X and Y coordinates would the white basket’s back-left pixel (140, 140) give? I could also project candidate basket positions or solve a homography using its rectangular shape, although its dimensions are unknown. That seems unnecessary; a white-basket placement at x = -0.31 m, y = 0.08 m looks suitable. Moving the left link6 from (-0.34, -0.108, 0.962) m to above the white basket at (-0.31, 0.08, 1.05) m would be about 0.223 m, within the 0.25 m limit. Moving the right link6 from (0.212, -0.23, 0.956) m directly above the blue basket at (0, 0.08, 1.05) m would be about 0.382 m, so it needs an intermediate target. The paths could converge near the baskets, but the right arm would be near x = 0 while the left remains around x = -0.32 m, leaving lateral separation. I should lift higher before translating. The held objects’ bottoms may have been at z = 0.75 m when link6 was at z = 0.927 m, giving a relative Z offset of -0.177 m. At link6 z = 1.05 m, their bottoms would be at z = 0.873 m, perhaps only about 0.03 m above a rim at z = 0.84 m. Could the right arm’s route pass over the center toy or watch? Around y = -0.14 m with link6 z = 1.0 m, the held object’s bottom would be at z = 0.823 m, barely above the center toy’s possible top at z = 0.81 m. I will lift both arms vertically to link6 z = 1.08 m before moving horizontally. The left lift target is 0.118 m away. I will keep both grippers closed and allow 8 control steps, which may produce about 0.08 m of actual motion. At transport height, the left horizontal move is about 0.19 m and the right about 0.32 m. I can move the left directly from (-0.34, -0.108, 1.08) m to (-0.31, 0.08, 1.08) m while moving the right from (0.212, -0.23, 1.08) m to an intermediate pose at (0.12, -0.04, 1.08) m, about 0.21 m away. The right can then continue to (0, 0.08, 1.08) m. Its first segment stays at x > 0.12 m, avoiding the center watch near (0.036, -0.20) m and the center toy at x = -0.06 m. The left route stays around x = -0.34 to -0.31 m, away from the left watch at x = -0.166 m. I will approach the baskets from above, starting with the 8-step vertical lift to z = 1.08 m for both arms.

The measured link6 heights are only 1.05 m on the left and 1.041 m on the right, but the estimated object-bottom heights of 0.873 m and 0.864 m are above the basket rims, which may be around 0.82 m. I can proceed with horizontal travel while targeting z = 1.08 m, allowing the arms to rise as they move. I will move the left arm over the white basket at (-0.31, 0.08, 1.08) m, about 0.195 m from its current pose, and the right arm to the intermediate position (0.12, -0.04, 1.08) m, about 0.217 m away. I will use 10 control steps. Is the long wooden toy oriented vertically along Y, and does it extend below the right gripper? In the head-camera view, the held toy is near pixel (467, 272), with its bottom around vertical pixel 284. It appears clear of obstacles, so I will proceed.

The IK precheck failed with position errors of about 82 mm for the left arm and 13 mm for the right. Could this be a local-search issue with the downward orientation, or are the arms near their reach limits when moving forward and upward? The left link6 is currently at (-0.34, -0.111, 1.05) m, and its rejected target was (-0.31, 0.08, 1.08) m, requiring a +0.191 m change in Y. Perhaps that forward extension is too far at z = 1.08 m. I could lower the targets or use closer intermediate poses. Possible targets are (-0.32, -0.02, 1.03) m for the left arm, at an estimated distance of 0.093 m, and (0.17, -0.13, 1.03) m for the right, at an estimated distance of 0.118 m. I can move in shorter segments while retaining the exact downward orientation. The failed precheck used no control steps, so the current observation remains valid. The basket positions at y = 0.08 m might be reachable with link6 at z = 1.0 m. Is the arm base behind them at y = -0.352 m? If the maximum reach is about 0.5 m, the basket targets may be near that limit. A lower height of z = 0.98 m might work, and I could lower later. However, at link6 z = 0.98 m, the held object's bottom would be around z = 0.803 m. If the basket rim is at z = 0.82 m, that could cause a collision. I still need a better estimate of the rim height. The tabletop may be at z = 0.75 m, and the basket walls might be 0.065 m or roughly 0.07 m high, putting the rim near z = 0.82 m. An object bottom near z = 0.80 m would be slightly too low. Could I approach from the front while keeping the object above the rim? I should probably keep link6 at z ≥ 1.0 m, though z = 1.08 m may be too high for the required reach. Tilting the arms is another possibility. Moving the base is not an option because it is fixed. If the rim were instead near z = 0.78 m, a link6 height of 0.98 m with the object bottom at 0.803 m might be sufficient. I will investigate the basket height using the wall projections in the head-camera image, assuming a tabletop height of z = 0.75 m. The basket's front bottom appears near vertical pixel 211, and its front top may be near pixel 190. Could the front be around world y = 0? I can inverse-project the bottom at z = 0.75 m and compare the top at the same world X and Y coordinates. For the blue basket, I will consider the front-bottom pixel (320, 212). At an assumed base height of z = 0.75 m, would that give y ≈ 0.035 m? The corresponding front-top pixel may be (320, 190). If it has the same y ≈ 0.035 m and x = 0, what Z height would produce that projection? The camera-relative Y displacement would be about 0.445 m, but the Z displacement and resulting vertical pixel coordinate still need to be worked out. I will use Python to compare these projections.

At world y = 0 m, the front bottom projects near vertical pixel 208, while a front top at the same Y coordinate and z = 0.82 m projects near pixel 189. Does that match the blue basket’s front top around pixel 190? I am uncertain: the front wall appears to extend from vertical pixel 177 to 211, so its top might instead be near 177. The blue basket’s top opening may be the polygon with pixel corners (263, 141), (374, 141), (378, 183), and (261, 183), with the front wall extending down to vertical pixel 211. I need to inspect this more carefully. I will make an enlarged crop of the baskets and may use the image viewer to check the wall boundaries.

I’m still uncertain where the baskets’ front rims and wall boundaries lie. I’ll inspect the enlarged crop to refine the rim-height estimate before choosing lower transport waypoints.

The enlarged crop gives a better estimate of the blue basket’s rim. The crop starts at original vertical pixel 115 and is enlarged threefold. I initially estimated the back rim near crop pixel 80; it appears closer to 78, corresponding to original vertical pixel 141. The front top rim may be near crop pixel 236, corresponding to original pixel 193.7, and the front bottom near crop pixel 292, corresponding to original pixel 212.3. I will treat the front top and bottom as approximately vertical pixels 194 and 212. Could the basket’s front be near world y = 0 m? At z = 0.75 m, a point at y = 0 m projects to vertical pixel 208, so the front bottom at pixel 212 suggests y ≈ -0.012 m. At that Y coordinate, a top at z = 0.82 m might project near pixel 194.5. The earlier calculation at y = -0.02 m gave pixel 196.3 for z = 0.82 m, which is close to 194. The wall height may therefore be about 0.08 m, with the rim perhaps at z = 0.83 m. The front may be around y = -0.01 m, but the back is less certain. If the back base were at y = 0.17 m and z = 0.75 m, it would project near vertical pixel 156.7; a back top at y = 0.17 m and z = 0.83 m might project near 127, whereas the observed back rim is near 141. Perhaps y = 0.13 m would give a top near pixel 139. The earlier projection at y = 0.14 m and z = 0.82 m gave pixel 144, suggesting a possible back Y coordinate around 0.135 m and a basket depth around 0.15 m. The visible inner base plane may span original vertical pixels 151–190. A base center at pixel 177 and z = 0.75 m gives y ≈ 0.098 m, but could the actual base center instead be near y = 0.065 m? I still need to reconcile the front base near y = -0.01 m, the possible back base near y = 0.17 m, and the rim height. Using the front-bottom pixel (320, 212) at z = 0.75 m gives y ≈ -0.011 m. What height would put the front-top point at (320, 194) with that same Y coordinate? I briefly considered z ≈ 0.802 m or 0.808 m, but I need to check the direction of the projection change. At fixed world Y, increasing Z decreases the optical Y component: optical y = -0.866dy - 0.5dz. For dy = 0.4 m and dz = -0.5 m, this is -0.346 + 0.25 = -0.096 m. The earlier example moved from vertical pixel 215 at the base to 196 at z = 0.82 m, so increasing Z decreases the vertical pixel coordinate. The front top at pixel 194 therefore suggests z ≈ 0.824 m. For the back-top pixel (320, 141) at the same z = 0.824 m, I initially considered y ≈ 0.134 m. Comparing with the earlier result of pixel 144 at y = 0.14 m and z = 0.82 m suggests y ≈ 0.146 m for pixel 141. That would put the top opening between y = -0.011 m and 0.146 m, with its center at y = 0.0675 m. The inner base center might thus be near y = 0.067 m rather than 0.098 m. Perhaps its image center is near pixel 174 rather than 177, or the inner bottom is raised from z = 0.75 m to 0.77 m, shifting the inferred Y coordinate lower by about 0.018 m. A placement center near y = 0.08 m remains plausible. I estimate the rim at z = 0.824 m. The held object’s bottom is approximately 0.75 - 0.927 = -0.177 m relative to link6. At link6 z = 1.05 m, its bottom would be at z = 0.873 m, leaving 0.049 m of clearance. At link6 z = 1.0 m, the bottom would be at z = 0.823 m, effectively level with the rim and too low to move over it. I should keep link6 at least at z = 1.03 m for about 0.03 m of clearance. The rejected target at y = 0.08 m and z = 1.08 m may have exceeded the arm’s reach. I could approach the front part of the basket with link6 at y = 0.04 m and z = 1.04 m, then release into the front half while keeping the object contained, although I should aim for the center if possible. Tilting the gripper might reduce how far the object extends downward, but a reachable pose around z = 1.03 m and y = 0.05 m may be preferable. The left arm is still at z = 1.05 m and y = -0.111 m because the precheck rejected its target at y = 0.08 m and z = 1.08 m. The local IK search may have encountered full extension. I will try shorter waypoints: left link6 at (-0.32, -0.02, 1.04) m and right link6 at (0.17, -0.13, 1.03) m, retaining the downward orientations and closed grasps. I will allow 8 control steps, then inspect the result before choosing the next segment.

At first glance, the tabletop objects seem to have changed dramatically in the head-camera view, but checking their positions suggests otherwise. The right watch is still near pixel (471, 253). The back toy was at (516, 228) and is now near (516, 226), which looks fine. The held front toy is now above the table near (427, 229). The right pepper remains at (384, 231), and the left watch remains at (243, 254). The left-wrist view shows the white basket at the top and the watch to the right. For the next segment, I will move the left link6 to (-0.31, 0.06, 1.04) m, an estimated distance of 0.108 m. I considered moving the right link6 to (0.05, 0.03, 1.04) m near the blue basket’s front center, initially estimating the distance as 0.217 m and then about 0.219 m from its current X and Y coordinates of (0.177, -0.147) m. Will the IK precheck accept it? It may still fail locally, so I will instead try the shorter right target at (0.08, -0.02, 1.035) m, an estimated distance of 0.164 m. I will use 10 control steps for this segment.

The precheck failed again for the left target at y = 0.06 m and z = 1.04 m. Perhaps the downward orientation limits forward reach because of elbow joint limits. I should change the orientation or approach pose. The arm bases may be near the front, with maximum reach around y = 0, but the baskets should be reachable for this task. Perhaps the current downward link6 orientation puts the arm in an awkward, fully upright configuration. One alternative is the downward quaternion [0.5, 0.5, 0.5, -0.5] in wxyz order. Is that a 180° roll around the vertical axis relative to the current quaternion [0.5, -0.5, 0.5, 0.5]? The alternative maps local X downward, local Y to global +X, and local Z to global -Y; the current orientation maps local X downward, local Y to global -X, and local Z to global +Y. That corresponds to a 180° roll around the downward tool X axis. Could changing the wrist roll help the elbow configuration in IK? At the same link6 position, this orientation change might require only joint 6 and could be reachable. Another option is the downward quaternion [0.707, 0, 0.707, 0], which closes along global Y. Is this a 90° roll from the current orientation? The current local Y points along global -X, while this alternative points it along global +Y, giving a -90° change around local X. This would change the wrist-camera view and rotate the held object by 90°, which is acceptable for placement into these containers. IK may be easier with this orientation, depending on the joint limits. I can inspect the measured joint configuration in current_state to see whether the arms may be near their limits. I will read it from observation obs_000088 before choosing the next pose.

The left arm’s joint 2 is at 2.124 rad, about 122°, joint 3 is at 2.08 rad, about 119°, and joint 4 is at -1.526 rad. Perhaps joint 2 has a maximum around 2.1 rad, although its measured value is already beyond that. Did the precheck stall at a joint limit, possibly the shoulder limit? Initially, all joints were at zero and the arms were horizontal. Reaching the downward pose required shoulder motion, but I am unsure how joint 2 would need to change to reach farther forward. Perhaps the link6 targets exceed the available reach. If the base is at y = -0.352 m and the arm length is about 0.4 m, the current left link6 y = -0.045 m already represents 0.307 m of forward extension. Its height is z = 1.039 m; I do not know the base height, though the initial link6 height was about 0.922 m. A basket target at y = 0.07 m would require 0.422 m of forward extension plus the vertical displacement, perhaps near a maximum reach of 0.45 m. Lowering link6 to z = 0.98 m might help, but the held object’s bottom would then be around z = 0.803 m, below the estimated rim height of 0.824 m. A horizontal carrying orientation may solve this. With local X horizontal, the object’s bottom might be only about 0.04 m below link6 rather than 0.177 m below it. Rotating back to the initial horizontal orientation would swing the object forward and upward, allowing a lower link6 height, perhaps z = 0.94 m, while keeping the object above the rim. Rotation near the basket could cause a collision, so I should do it in clear space. At left y = -0.045 m and z about 1.04 m, rotating from downward to forward along global +Y should swing the object from below the gripper to in front of it, above the basket. This also reduces the forward reach required of link6. The fingers extend about 0.157 m, so placing an object over basket y = 0.07 m might require link6 y around -0.05 m. If the object center is about 0.13 m forward of link6, link6 y = -0.06 m would put the object at y = 0.07 m. This seems likely to be the necessary approach rather than putting link6 directly above the basket center. After rotating to the horizontal quaternion q0, I could perhaps move link6 to y = -0.08 m and z = 0.95 m. The pepper may then be held sideways; that is acceptable because container placement has no orientation requirement. I need to keep the grasp secure throughout the rotation. The rotation from the current downward quaternion [0.5, -0.5, 0.5, 0.5] to q0 = [0.707, 0, 0, 0.707], both in wxyz order, is 90°. I will split it into two stages to respect the 1 rad command limit. The intermediate quaternion [0.6533, -0.2706, 0.2706, 0.6533] is about 0.785 rad from each endpoint. During the left-arm rotation, the object will swing diagonally forward and downward at the intermediate pose; I expect it to remain above the front rim near the white basket. The right arm is at y = -0.147 m, farther from the basket, and its object will swing forward toward the blue basket. I expect separation from the pepper at x = 0.384 because the right arm is at x = 0.177. With q0, local X maps to global +Y, local Y to global -X, and local Z to global +Z. The object center may be about 0.134 m along local X from link6; its local Y component is uncertain, and there may be small local Z offsets. Its center height should therefore be approximately the link6 height. Assuming a vertical radius of 0.04 m, link6 z = 0.90 m would put the bottom at z = 0.86 m, above the 0.824 m rim. Forward motion at z = 0.96 m may also be feasible. Once over the interior, I could lower link6 to z = 0.85 m, putting the object center near 0.85 m and its bottom near 0.81 m, then release. A link6 Y target of 0.07 - 0.134 = -0.06 m seems likely to be reachable. I will check the object’s placement in the head view and use the wrist view to verify it is over the basket interior. For now, I will hold both arms’ current X, Y, and Z positions and keep both grippers closed. I will command the intermediate quaternion for 8 control steps, then plan another 8-step command toward q0 after inspecting the observation.

The rotation has progressed by only about 0.4 rad. Perhaps the remaining rotation to the intermediate target is also about 0.4 rad. I should continue toward that intermediate orientation before moving to the horizontal quaternion q0 = [0.707, 0, 0, 0.707] in wxyz order. Could I command q0 directly? Using the current left quaternion [0.566, -0.424, 0.424, 0.566], I estimate its dot product with q0 as 0.4 + 0.4 = 0.8, giving a whole orientation distance of 1.287 rad. That exceeds the 1 rad command limit. I could reuse the intermediate target or calculate an alternative 80% of the way through the remaining rotation. I will reuse the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281]. Using rounded components, the dot product is 0.566 × 0.653 + 0.424 × 0.2706 + 0.424 × 0.2706 + 0.566 × 0.653 = 0.370 + 0.115 + 0.115 + 0.370 = 0.970, giving an estimated remaining orientation distance of 0.491 rad. From the intermediate orientation to q0, the rotation is 0.785 rad. I could allow 8 control steps toward the intermediate target, then 8 toward q0. I also considered moving the positions backward along Y while rotating, but I will keep both arms at their current measured positions with the grippers closed. For now, I will use 8 control steps toward the intermediate orientation.

In the head-camera view, the held toy appears to be over the left edge of the red basket, near pixel (426, 183), while the blue basket’s center is near horizontal pixel 320. The right arm is at x = 0.177 m, and the object may have approximately the same X coordinate; its Y coordinate is still unclear. That arm position is too far right for the blue basket. I had planned a next waypoint at x = 0.08 m, but with the horizontal orientation q0, local Y closes along global -X, and the object center may have almost no X offset from link6. I therefore need link6 near x = 0 m for the blue basket. I will finish rotating to q0 = [0.707, 0, 0, 0.707] in wxyz order while moving both arms toward placement poses. For the left arm, I estimate the quaternion dot product as 0.619 × 0.707 + 0.618 × 0.707 = 0.875, giving an orientation distance of 0.505 rad, or about 0.5 rad. For the pepper, I am considering link6 x = -0.31 m and y = 0.07 - 0.134 = -0.064 m, perhaps at z = 1.0 m. Its current y = -0.041 m and x = -0.324 m are already close. I will instead target (-0.31, -0.055, 0.98) m with q0, estimating a translation distance of 0.063 m and an orientation change of about 0.5 rad. For the right arm, I will target link6 at (0, -0.06, 0.98) m from its current position of (0.177, -0.145, 1.033) m. I estimate the translation distance as 0.199 m and the remaining rotation to q0 as 0.48 rad. This should move the toy left toward the blue basket and slightly forward while rotating. Its current center height may be around 0.95 m, above the rim at about 0.82 m, so the motion appears clear. At the horizontal target, I expect its center to be near z = 0.98 m, which should also provide clearance. I will keep both grippers closed and use 10 control steps. I expect the horizontal pose to make the IK precheck easier to pass.

I again missed the factor of two in the orientation calculation. The dot product of the left arm’s current quaternion [0.6186, -0.3429, 0.343, 0.6182] with the horizontal quaternion q0 = [0.707, 0, 0, 0.707], in wxyz order, is 0.4374 + 0.4371 = 0.8745. Since acos(0.8745) is about 0.505 rad, the whole rotation is about 1.01 rad, perhaps 1.011 rad, just above the 1 rad limit. For the right arm, the dot product is approximately 0.449 + 0.448 = 0.897, giving a rotation of about 0.912 rad, within the limit. I need a nearer orientation for the left arm. I could use [0.66, -0.25, 0.25, 0.66], normalized to unit length, although I am unsure whether it lies between the current orientation and q0. Another option is to reuse the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281]; I estimate the current orientation is about 0.491 rad from it. I could allow another 6 control steps toward that intermediate orientation and then finish rotating to q0. Alternatively, interpolating 95% of the way from the current orientation toward q0 would give about 0.96 rad of rotation and end nearly at q0, but calculating separate interpolated targets for both arms seems unnecessary. I will use the existing intermediate quaternion for the left arm and q0 for the right arm, leaving the left arm’s final rotation for a later action. The rejected command executed no motion, so the current observation remains valid. I will retain the planned link6 position targets of [-0.31, -0.055, 0.98] m for the left arm and [0, -0.06, 0.98] m for the right arm, keep both grippers closed, and allow 10 control steps.

The held objects are no longer easy to see in the head-camera view. Is the left pepper behind the gripper, or perhaps over the white basket? I can see only a tiny red area near pixel (160, 152), and the white basket otherwise appears empty. The pepper is still visible between the fingers in the wrist view, so it may simply be occluded by the arm as the gripper turns forward. The toy is also visible in its wrist view but is difficult to identify in the head view, perhaps because it is behind the blue basket rim or the gripper. The right link6 has reached only x = 0.118 m rather than the target x = 0 m, so it still needs to continue toward the basket. The left orientation is almost at the intermediate pose. For the right quaternion [0.678, -0.2, 0.203, 0.678], the dot product with the horizontal quaternion q0 is approximately 0.4795 + 0.4792 = 0.9587, giving an orientation distance of 0.576 rad, below the 1 rad limit. For the left arm, the dot product is approximately 0.4596 + 0.4596 = 0.9192, giving a distance of 0.807 rad, also below the limit. I can now command q0 for both arms. I considered a left link6 target of (-0.31, -0.055, 0.96) m, lowering it by 0.042 m, and a right target of (0, -0.06, 0.98) m, with an estimated translation distance of 0.133 m. Would the precheck pass? The left rotation would be about 0.807 rad and its translation perhaps 0.043 m. Instead, I will retain the previous left target height of 0.98 m and also use 0.98 m for the right arm. I will keep both grippers closed, allow 10 control steps, and inspect the next observation.

In the head view, the pepper may be near the white basket’s left rear edge, with a red patch at pixel (160, 128), though I am unsure whether it is still held near the front. The left wrist view shows the basket directly behind the pepper, with a white region below it. The right wrist view shows blue below and to the left and red to the right. Is the toy still between the baskets at x = 0.066 m? It needs to be centered at x = 0 m. I could lower the left link6 to z = 0.94 m, which might put the object center at 0.94 m and its bottom at 0.90 m, still above the rim. For placement, the object center needs to be over the basket base; releasing from 0.90 m should be sufficient. First, I will finish the horizontal alignment and position corrections. I will target left link6 at (-0.31, -0.055, 0.96) m and right link6 at (0, -0.06, 0.98) m, with both grippers closed and both orientations set to the horizontal quaternion q0 = [0.707, 0, 0, 0.707] in wxyz order. For the left arm, I estimate the quaternion dot product as 0.681 × 0.707 × 2 = 0.963, giving an orientation distance of 0.544 rad. For the right, (0.701 + 0.700) × 0.707 = 0.991, giving about 0.27 rad. I will allow 8 control steps.

The left arm still has not reached the horizontal orientation q0 after 8 control steps. Its measured quaternion is [0.696, -0.123, 0.123, 0.696] in wxyz order. I estimate the remaining orientation distance as 2 × acos((0.696 + 0.696) × 0.707) = 2 × acos(0.984) ≈ 0.357 rad. The slow convergence may be related to the 0.05 rad joint-increment bound. The right arm is nearly at q0, but its link6 X coordinate is still 0.029 m rather than 0 m. Could I release now? I need to ensure the objects are over the basket interiors. In the right wrist view, blue appears only at the bottom-left, with table to the right. That might mean the toy is over the front-left rim. I will assess its position using the measured end-effector pose and the estimated object offset in the gripper. At the horizontal orientation q0, an object center 0.134 m along local X would be displaced along global +Y. For the right arm, this gives an estimated object-center Y coordinate of -0.075 + 0.134 = 0.059 m, with X approximately 0.029 m and Z approximately 0.993 m, subject to small offsets and the remaining rotation. I can refine the local offset from the original downward grasp. The toy center was estimated at global z = 0.790 m while link6 was at z = 0.926 m, giving a Z offset of -0.136 m, with global X and Y offsets of 0.0004 m and 0.0002 m. The downward rotation matrix was [[0, -1, 0], [0, 0, 1], [-1, 0, 0]]. Applying its transpose to the offset [0.0004, 0.0002, -0.136] m gives local coordinates [0.136, -0.0004, 0.0002] m. For the current right quaternion [0.707, -0.019, 0.02, 0.706], local X may point approximately along [0.001, 0.999, -0.055] in global coordinates; I should calculate that precisely. Using the estimate, the object center is p + R × [0.136, -0.0004, 0.0002] m, or approximately x = 0.029 m, y = 0.061 m, and z = 0.985 m. The vertical contribution from local X is about 0.136 × -0.055 = -0.0075 m, giving a center height near 0.9855 m. The basket rim is estimated at z = 0.824 m. The toy was elongated vertically in the image before the rotation and is now horizontal; its vertical size may be about 0.04 m. I estimate its bottom at z = 0.965 m, well above the rim. Releasing from here could give a drop of about 0.14 m to the base, with some risk of bouncing, though it should remain contained. Lowering link6 to z = 0.90 m would instead put the center near z = 0.892 m and the bottom near z = 0.85 m, just above the rim, for a drop of about 0.08 m. The desired object alignment is around x = 0 m, y = 0.06 m. Keeping link6 y = -0.075 m gives an object-center Y coordinate near 0.061 m, so I could lower the right arm to z = 0.91 m and correct X to 0 m before release. The left pepper is not yet fully horizontal. Its local X direction may be approximately [0, 0.97, -0.24], giving a center offset of about +0.132 m along Y and -0.033 m along Z for a local-X offset of 0.136 m. From the measured link6 position [-0.31, -0.054, 0.963] m, this puts the pepper center near [-0.31, 0.078, 0.930] m. With an estimated radius of 0.04 m, its bottom would be near z = 0.89 m, above the 0.824 m rim. It appears to be over the white basket’s center. Releasing now could give a drop of about 0.10 m to a base height of 0.79 m, which seems acceptable. I could release both after the right arm’s final X correction, or first lower the right link6 to z = 0.95 m. Its current object-center height is about 0.986 m, roughly 0.16 m above the rim, and could give a 0.20 m drop to the base. A better alternative may be to lower link6 by about 0.10 m to z = 0.89 m, giving an object center near z = 0.88 m and bottom near z = 0.84 m. Lowering the left link6 to z = 0.94 m might put the pepper center near z = 0.907 m and bottom near z = 0.867 m, for a drop of about 0.08 m. Both placements seem safe. I will target left link6 at [-0.31, -0.055, 0.94] m and right link6 at [0, -0.075, 0.91] m, keeping both grippers closed and commanding q0 to finish the horizontal alignment. I will allow 6 control steps and inspect the observation. The actual heights may only reach about 0.95 m on the left and 0.96 m on the right, requiring another action. I can consider releasing when their heights are around 0.94 m and 0.93 m, respectively.

The pepper is now visibly inside the white basket near pixel (183, 156), perhaps toward its left edge. The basket interior spans approximately horizontal pixels 140–240, so the pepper appears to be contained. The toy is not visible in the head view because of the gripper. The lower part of the wrist view shows blue with no toy visible; it may have fallen to the basket bottom and out of view. I will withdraw both open grippers upward and backward to inspect the placements. The fingers currently extend along global +Y into the baskets. Retreating along -Y would pull them out over the front rims; their heights of 0.946 m on the left and 0.934 m on the right are above the estimated rim height of 0.824 m, so this appears safe. I am planning roughly +0.1 m along Z and -0.08 m along Y, with link6 targets of (-0.31, -0.15, 1.04) m for the left arm and (0.008, -0.16, 1.04) m for the right. I could keep the left arm’s current quaternion [0.703, -0.075, 0.075, 0.703] in wxyz order or finish rotating it to the horizontal orientation q0. There is no need to rotate yet, so I will retain both current orientations during the retreat and use 8 control steps. The next objects will require downward grasp orientations again, which I can command after withdrawing. The next observation should let me verify the placements.

Reopening the initial image helps me interpret the robot geometry. The gripper may be near pixel (100, 280), with black fingers pointing upward near (90, 250) and (150, 250), and the white ARX segment horizontal around vertical pixel 280. The link6 projection may be (82, 353), placing it near a lower joint around (80, 350). Local X maps to global +Y, so the fingers extend forward and project upward in the image, perhaps toward (125, 260). I am unsure whether there is another component to that extension. My current interpretation places link6 near (80, 353), with the fingers extending toward (125, 250). The black part near (80, 430) could be the robot base or another link. The bases may be at the bottom corners, with white segments below, but their X coordinates remain uncertain. This seems consistent with the supplied initial link6 position. Could the bases be at world x = ±0.3 m? Is initial link6 at the same position as the base, and do zero joint angles mean the arm is vertical? I still do not understand that geometry fully. I do not need to plan a crossing transfer yet. Next, I will use the left arm for the center wooden toy and the right arm for the rightmost watch. The current left link6 position is (-0.31, -0.118, 1.007) m, with quaternion [0.703, -0.075, 0.075, 0.703] in wxyz order and an open gripper. The right position is (0.008, -0.15, 1.026) m, with the horizontal quaternion q0 and an open gripper. Both need to rotate toward the downward quaternion qd = [0.5, -0.5, 0.5, 0.5]. For the left arm, the quaternion dot product is 0.3515 + 0.0375 + 0.0375 + 0.3515 = 0.778, giving an orientation distance of about 1.355 rad, above the 1 rad limit. The right arm needs a 90° rotation from q0 to qd, also exceeding that limit. I will split both rotations. A direct left pregrasp target at (-0.06, -0.14, 1.03) m is about 0.253 m away, or approximately 0.252 m using the current pose, slightly above the 0.25 m distance limit. I can first use (-0.15, -0.13, 1.04) m, about 0.162 m away. The direct right-watch target at (0.326, -0.123, 1.03) m is about 0.32 m away, so I can first use (0.17, -0.14, 1.05) m, about 0.164 m away. For those intermediate positions, I can use quaternion [0.6533, -0.2706, 0.2706, 0.6533], which lies between q0 and qd. For the left arm, I estimate the dot product as 0.703 × 0.653 + 0.075 × 0.2706 + 0.075 × 0.2706 + 0.703 × 0.653 = 0.459 + 0.0203 + 0.0203 + 0.459 = 0.9586, giving a rotation of about 0.578 rad. The right arm's rotation to this intermediate orientation is about 0.785 rad. Afterward, I can finish rotating to qd and move toward the exact object positions. From the proposed intermediate positions, the left move to x = -0.06 m, y = -0.14 m is about 0.09 m, and the right move to x = 0.326 m, y = -0.123 m is about 0.157 m. I will inspect the actual progress after the first movement, since the arms may only reach partway toward their targets. I could move the arms asynchronously to avoid the right arm passing over the center watch and pepper on its way to the rightmost watch. At link6 z = 1.04 m with downward fingers, I estimate fingertip z = 0.88 m. With the objects below z = 0.8 m, that gives about 0.08 m clearance and seems safe. The left route toward the center toy at x = -0.06 m, y = -0.14 m also keeps the fingers above the objects. There could still be a collision between the grippers near the center. The planned left X sequence is -0.31 → -0.15 → -0.06 m, and the right sequence is 0.008 → 0.17 → 0.326 m. I initially think of their closest separation as greater than 0.08 m, although left x = -0.06 m and right x = 0.008 m would give only 0.068 m. With each gripper about 0.1 m wide, simultaneous motion near x = 0 could cause contact. However, the first segment sends the left arm toward x = -0.15 m and the right toward x = 0.17 m; the second sends them toward -0.06 m and 0.326 m. That timing, even with partial motion, seems likely to keep them separated. I still need to inspect the right watch's shape before choosing its grasp orientation. Is its band diagonal in the image? The rightmost watch is near head-camera pixel (471, 253), and it may have a ring-shaped face toward the right. It looks like a circular ring near (470, 253), with the band extending toward the upper left, but that interpretation is tentative. I will make an enlarged crop of the remaining objects to inspect it.

I’ll inspect the enlarged crop of the remaining objects to clarify the rightmost watch’s band direction and the center toy’s shape before choosing their grasp alignments.

Is the watch a bangle or ring standing vertically? In the head-camera view, the left watch looks like an elliptical ring with its face on the lower right. The center watch also looks upright in the image, but I am unsure whether its circular band actually stands vertically. It may instead be a bracelet-like band lying flat, with the face at the front toward the camera. A flat ring would appear elliptical from this camera angle, with its hole visible, and its thickness would be low. I should grasp across the ring’s outer edges along global X near its center, using downward fingers. An open gap of about 0.09 m would exceed the estimated ring diameter of 0.04 m. The watch may need the pads around z = 0.77 m rather than 0.80 m; for the toy, I am considering a link6 height of 0.92 m. The watch’s top might be at z = 0.78 m, its base at 0.75 m, and its center at 0.765 m. If contact occurs at local x = 0.12 m, the contact height is link6 z minus 0.12 m. Reaching z = 0.765 m would require link6 z = 0.885 m, but the fingertips would then be at z = 0.727 m, below a table at 0.75 m, which is impossible without contact. Perhaps the pads could contact at local x = 0.08 m rather than 0.12 m, but could the fingertips go below the table? Is the actual tabletop height perhaps 0.72 m? The confirmed toy grasp used link6 z = 0.926 m, with fingertips at z = 0.768 m and an estimated object center at z = 0.790 m. That is consistent with a table at 0.75 m. For a watch center at z = 0.765 m, keeping the fingertips above that table would require link6 z ≥ 0.908 m. Contact at local x = 0.12 m would then be at z = 0.788 m, above the watch center but possibly able to grip its upper rim. If the watch is 0.03 m high with its top at z = 0.78 m, that contact height would be slightly too high. A link6 grasp height of 0.90 m would put the fingertips at z = 0.742 m and might collide with the table, unless the tabletop is actually around 0.73 m. I should establish the table height more precisely from stereo views of the watch or the toy’s base. Alternatively, the watch might be a standing bracelet about 0.045 m high, with its center at z = 0.775 m and top at z = 0.80 m; then a link6 height of 0.91 m could work. The watch ring spans about 22 pixels vertically in the head view, compared with about 50 pixels for the toy. Its physical diameter may be 0.05 m, but is it lying at an angle? If flat, its height might be only 0.01 m. I need a closer wrist-camera view to understand its geometry, and I will adapt the grasp accordingly. First, I will approach the center wooden toy with the left arm and the rightmost watch with the right arm, considering a pregrasp height of z = 1.03 m. I will begin with the planned intermediate rotation and translation, keeping both grippers open.

The pepper appears red at the bottom of the white basket, and the wooden toy in the blue basket is visible as a lion. In the head-camera view, the right arm appears to be over the remaining right pepper near pixel (383, 230). Could there have been contact? The right link6 is at x = 0.058 m, but the fingers extend beyond it, and the orientation is partly horizontal and partly downward. The pepper is estimated at x = 0.135 m, y = -0.089 m. It now appears near pixel (383, 232) with a white reflection and may be untouched, though I am uncertain. I want to continue toward the left-arm pregrasp target at (-0.06, -0.14, 1.03) m above the center toy. The current left quaternion is [0.686, -0.174, 0.177, 0.684] in wxyz order. Its dot product with the downward quaternion [0.5, -0.5, 0.5, 0.5] is approximately 0.343 + 0.087 + 0.0885 + 0.342 = 0.8605, giving an orientation distance of about 1.07 rad, slightly above the 1 rad limit. I therefore need another intermediate orientation. I could reuse [0.550248, -0.444107, 0.444096, 0.55025]. For the left arm, I estimate the dot product as 0.686 × 0.55 + 0.174 × 0.444 + 0.177 × 0.444 + 0.684 × 0.55 = 0.377 + 0.0773 + 0.0786 + 0.376 = 0.909, giving about 0.86 rad of rotation. However, the right arm’s current quaternion is [0.703, -0.09, 0.09, 0.7]. Its dot product with the final downward quaternion is 0.3515 + 0.045 + 0.045 + 0.35 = 0.7915, giving 1.315 rad, above the limit. Its dot product with that nearer-downward alternative is approximately 0.386 + 0.04 + 0.04 + 0.385 = 0.851, giving perhaps 1.102 rad, also above the limit. Another possible left-arm quaternion is [0.58, -0.40, 0.40, 0.58], which is closer to downward. I estimate its dot product with the current left quaternion as 0.398 + 0.0696 + 0.0708 + 0.397 = 0.935, giving about 0.73 rad. For the right arm, the same target gives 0.407 + 0.036 + 0.036 + 0.406 = 0.885, or about 1.096 rad, so this would require different orientation targets for the two arms. It is simpler to reuse the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281] for both arms. I estimate the left rotation as 0.58 rad. For the right arm, the dot product is approximately 0.459 + 0.024 + 0.024 + 0.458 = 0.965, giving about 0.53 rad. I can finish rotating downward in a later action. The left position target at (-0.06, -0.14, 1.03) m is about 0.195 m away. The intended right-watch pregrasp target at (0.326, -0.123, 1.03) m is about 0.27 m away; the X change alone from 0.058 m to 0.326 m is 0.268 m, exceeding the 0.25 m distance limit. I will instead use a right-arm waypoint at (0.27, -0.125, 1.04) m, about 0.213 m away, then continue to x = 0.326 m later. I will keep both grippers open and allow 10 control steps.

The right-wrist view may show the back-right toy at the top right, behind the red basket. In the head view, that toy appears to have shifted from pixel (516, 228) to (507, 231). In observation 169, it is to the right of the pepper and partly behind the arm. Could the right arm have bumped it slightly? I should note the possible movement, though it does not appear severely disrupted. Is the right arm moving over the baskets? Its previous target was x = 0.27 m, y = -0.125 m, but its measured position is still x = 0.125 m, y = -0.141 m. I am unsure where the wrist camera is along X. Seeing the red basket may be normal because the camera is forward of link6 and oriented downward. The arm has not yet reached the watch. The left-wrist view still shows the baskets because the camera is oriented partly forward. The center toy at approximately x = -0.06 m, y = -0.14 m should appear as the arm moves toward it; the left link6 is still at x = -0.177 m. I will continue toward the left link6 target (-0.06, -0.14, 1.03) m and finish rotating to the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. The rotation from its current intermediate orientation is about 0.78 rad, within the command limit. For the right arm’s current quaternion [0.678, -0.205, 0.207, 0.675], the dot product with the downward quaternion is 0.339 + 0.1025 + 0.1035 + 0.3375 = 0.8825. This gives an orientation distance of about 0.979 rad, just below the 1 rad limit. The right link6 target (0.326, -0.123, 1.03) m is about 0.203 m away, which is also within the position limit. The current X separation between the grippers is 0.302 m, with the left at -0.177 m and the right at 0.125 m, which seems safe. At the targets, their X coordinates will be -0.06 m and 0.326 m, giving a separation of 0.386 m. I will keep both grippers open and use 12 control steps for this motion.

The left wrist view shows the left watch on the left and the center toy on the right. The target toy is near pixel (440, 390), partly clipped by the bottom of the image. In the right wrist view, the target watch is near pixel (515, 380), possibly behind the right finger. The left link6 is currently at x = -0.107 m, and its target is x = -0.06 m. Moving it +0.047 m along X should center the toy: as the end effector moves right, the toy’s relative image position should move left from x = 440 pixels toward x = 320 pixels. The right link6 is at x = 0.222 m, with a target of x = 0.326 m. Moving it right by 0.104 m may shift the watch left by about 250 pixels, from x = 515 to x = 265 pixels, which seems suitable. I will continue toward the final alignment positions at link6 z = 1.02 m, with both grippers open and the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. I am considering 8 control steps.

The center toy appears centered in the left wrist view near pixel (330, 200). The right watch appears near pixel (360, 190), close to the image center, although the right link6 X coordinate is still 0.303 m rather than the target of 0.326 m. I will use stereo triangulation to refine the watch’s position and Z coordinate. I can match the watch near pixel (471, 253) in the head-camera view with approximately (361, 188) in the current right-wrist view. For the toy, I can match its center near (290, 258) in the head-camera view with (330, 200) in the left-wrist view. I will calculate these estimates.

The stereo estimates put the watch center at z = 0.7656 m and the toy center at z = 0.7878 m. The toy’s Y coordinate is about -0.151 m rather than the initial estimate of -0.14 m. The left link6 X coordinate of -0.061 m is already suitable, but its Y coordinate needs to change from -0.141 m to about -0.151 m, a correction of -0.01 m. The watch is at approximately x = 0.32045 m and y = -0.12888 m. The right link6 is currently at x = 0.303 m and y = -0.128 m, so it needs about +0.017 m along X. I initially considered the previous toy grasp height of link6 z = 0.92 m. The watch needs a lower grasp. At link6 z = 0.90 m, a contact point at local x = 0.12 m would be at world z = 0.78 m. The pads may extend along local x from about 0.04 to 0.157 m, covering world z values of about 0.743–0.843 m, but the fingertips would be at z = 0.7424 m, below the presumed tabletop height of 0.75 m. Is the actual tabletop perhaps at z = 0.72 m? Triangulating the watch’s bottom contact to establish its base height is not straightforward. The toy center is at about z = 0.788 m, and a possible height of 0.07 m would put its base at z = 0.753 m. The watch’s flat ring may have an outer diameter of about 0.05 m, though its height is uncertain. Its center at z = 0.765 m suggests a top plane near 0.77 m and a base near 0.75 m. I will therefore use 0.75 m as the tabletop estimate. The fingertips should not go below z = 0.75 m, so the minimum link6 height is about 0.908 m. At that height, local x = 0.12 m is at world z = 0.788 m, about 0.022 m above the watch center at 0.765 m. However, the fingers extend to local x = 0.1576 m, putting their tips at z = 0.7504 m. Contact with the watch center would occur at local x = 0.908 - 0.765 = 0.143 m, within the fingers’ extent. Thus, the parts of the pads near the fingertips could grasp the watch while the tips remain just above the table. For the toy, link6 z = 0.927 m would put contact with its center at local x = 0.139 m. This means the grasp is nearer the fingertips than my earlier assumption of local x = 0.12 m; the previous center offset was actually about 0.134 m. I will choose link6 z = 0.91 m for the watch, giving fingertip z = 0.7524 m and contact at local x = 0.1444 m. Closing across the ring’s outer sides near the fingertips seems suitable. The estimated open gap is 0.1 m, compared with a ring diameter of 0.05 m. For the toy, I will choose link6 z = 0.927 m, as with the previous toy, giving fingertip z of about 0.769 m. I will approach in 3-step increments. Both link6 heights are currently 1.019 m, so I will first target z = 0.94 m. I considered correcting X and Y at the current height for 2–3 steps, but I can combine those small alignment corrections with the initial descent. The targets will be left position [-0.0587, -0.1512, 0.94] m and right position [0.3205, -0.1289, 0.94] m, with both grippers open and the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. The target distances are about 0.079 m on the left and 0.08 m on the right, with only small orientation corrections. I expect about 0.03 m of actual motion over 3 steps. After inspecting that approach, I can continue lowering toward 0.92 m for the toy and 0.91 m for the watch in repeated 3-step actions.

The toy is centered at horizontal pixel 320, and the watch is near pixel (345, 190). After the previous 3 control steps, the right link6 X coordinate is still 0.312 m rather than the target of 0.3205 m, so I will continue toward that alignment. The watch appears to be a somewhat flat ring with a silver face at the front. Grasping across the ring’s sides seems suitable. I will continue descending with both grippers open, targeting a left link6 height of 0.927 m and a right link6 height of 0.91 m for 3 control steps.

The toy appears large in the wrist view, with its center near vertical pixel 280, while the watch center is near pixel (335, 240). At the right arm’s current link6 height of 0.943 m, I estimate the watch’s camera depth at about 0.08 m. Using the same projection relationship, at the target height of 0.91 m its depth may be about 0.047 m and its center may project near vertical pixel 430. The open fingertips appear near vertical pixel 280. The watch ring’s outer sides span horizontal pixels 240–425, a width of 185 pixels, while the gripper gap at that vertical position may be about 450 pixels. The ring appears to fit between the fingers. I will lower both arms for 3 control steps, targeting link6 heights of 0.927 m on the left and 0.91 m on the right. I expect the left arm to reach about 0.927 m, while the right may only reach about 0.921 m and need another lowering action afterward.

The right gripper’s orientation is still slightly off the intended downward pose, and its measured link6 height is 0.923 m. The watch appears large in the wrist image, with its center near vertical pixel 300 and its outer ring spanning horizontal pixels 205–435. I am unsure of the finger positions: the left finger appears near horizontal pixel 80, but its extent is unclear, while the right finger appears near pixel 520. The right arm needs only a 0.013 m descent toward link6 z = 0.91 m, so I will use 2 control steps. Could I close the left gripper now? The toy appears between the fingers, with its body spanning horizontal pixels 180–430 and the pad sides perhaps near pixels 110 and 520. That looks suitable. I will begin closing the left gripper at link6 z = 0.928 m while the right gripper remains open and descends toward z = 0.91 m for the same 2 steps. I will inspect the right grasp alignment afterward before closing it.

The watch moved from pixel (471, 253) to (475, 260) in the head-camera view, toward the front. Its band and face now appear centered near the bottom of the wrist view. The fingers may have pushed it slightly during closure, but it is now between them. I interpret the right gripper’s opening command of 0.391 as contact with the watch. The left toy appears secure. I will command a small upward test lift of 0.04 m for both arms over 3 control steps, keeping the grippers closed and their orientations steady. If the watch is held, it should rise with the right gripper in the head-camera view. I will check both grasps before transport.

The toy appears to have lifted in the head-camera view, although the pixel change is uncertain. I initially thought its vertical coordinate changed from 247 to 256 pixels, but its original center was near vertical pixel 258, and it may have been near 253 both after closure and after the lift. It now appears around (290, 253), slightly above its original table position. The right watch has disappeared from its table position and appears between the fingers near head-camera pixel (482, 248), though that location is tentative. It remains stable in the wrist view. I take these observations as evidence that both objects followed the test lift. I will place the left-hand toy in the blue basket and the right-hand watch in the red basket. The measured link6 positions are [-0.059, -0.152, 0.964] m on the left and [0.32, -0.133, 0.957] m on the right. Both are near their destination baskets. I can rotate from the downward orientation to the horizontal carrying orientation through an intermediate pose. My initial horizontal placement targets are left link6 at [0, -0.075, 0.93] m and right link6 at [0.31, -0.075, 0.93] m. During the rotation, the objects will swing forward and upward. The nearby remaining pepper is around x = 0.135 m, y = -0.089 m, and the center watch is around x = 0.036 m, y = -0.203 m. The held toy is at x ≈ -0.059 m. In the downward pose, I estimate its center at y = -0.151 m, z = 0.788 m; at an intermediate forward-and-downward orientation, I estimate it near y = -0.10 m, z = 0.87 m. The center watch, around x = 0.036 m, y = -0.20 m, would be about 0.14 m away, which seems safe. The held right watch is approximately at [0.32, -0.132, 0.765] m and should swing toward y = -0.08 m, z = 0.87 m, near but clear of the red basket’s front rim at y = 0 m. The back toy at x = 0.437 m, y = -0.065 m could be nearby during that swing, but its X separation from the held watch is 0.117 m. With estimated object sizes of 0.05 m, that seems sufficient. The remaining pepper is farther away. For the first stage, I will use the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281] in wxyz order, with link6 targets [0, -0.10, 1.0] m on the left and [0.31, -0.10, 1.0] m on the right. I estimate target distances of about 0.084 m and 0.05 m, respectively, and an orientation change of 0.785 rad. This will also center the objects laterally and raise them. I will keep both grippers closed and allow 10 control steps. Afterward, I plan to use the horizontal orientation with left link6 at [0, -0.075, 0.94] m and right link6 at [0.31, -0.075, 0.93] m. A forward object offset of 0.136 m would give an object-center Y coordinate of 0.061 m. For the watch, the estimated local-X grasp offset is 0.923 - 0.7656 = 0.1574 m, nearly at the fingertips. With link6 y = -0.075 m, its horizontal center would be at y = 0.0824 m. For the toy, a local-X offset of 0.140 m gives y = 0.065 m. These positions seem suitable for the basket interiors. In the horizontal pose, object-center Z should be roughly link6 Z, although the watch may have a local-Z offset from its Y shift during closure. I can combine the rotation and translation in this intermediate stage at z = 1.0 m, then continue toward the horizontal placement pose around z = 0.94 m, allowing 10 steps for each stage. This should avoid the earlier forward-reach problems with downward carrying poses. I will execute the intermediate stage first.

The current positions match the preceding targets, but the orientations have not yet reached the intermediate pose: the left quaternion has a first component of 0.615 rather than about 0.653. Could I move directly to the horizontal quaternion q0? For the left quaternion [0.615, -0.349, 0.346, 0.617], the dot product with q0 is (0.615 + 0.617) × 0.707 = 0.871, giving an estimated orientation distance of 1.033 rad, above the 1 rad limit. For the right arm, (0.612 + 0.613) × 0.707 = 0.866 gives 1.047 rad, also above the limit. I could repeat the intermediate orientation target or calculate a nearer orientation. Initially, I considered using the same intermediate quaternion for both arms, estimating about 0.5 rad of remaining rotation, with left link6 at [0, -0.075, 0.96] m and right link6 at [0.31, -0.075, 0.95] m for 6 control steps, followed by another 6 steps toward q0. Could I instead release from the intermediate pose without completing the horizontal rotation? I think this intermediate orientation is Rx(-45°) × q0, with local X pointing along global [0, 0.707, -0.707], diagonally forward and down. An object-center offset of 0.14 m along local X would give global offsets of about +0.099 m along Y and -0.099 m along Z. With link6 y = -0.075 m and z = 0.96 m, the toy center would therefore be near y = 0.024 m and z = 0.861 m. Its bottom might be around z = 0.82 m, near the rim. Since the basket spans approximately y = -0.01 to 0.15 m, that center would be within its front portion, and release should let the toy fall inside. The diagonal fingers might touch the front rim, but at link6 z = 0.96 m I estimate their tips at z = 0.849 m, with a forward Y offset of 0.111 m, putting them at y = 0.036 m. That leaves about 0.025 m above the estimated rim height of 0.824 m. For the watch, a local-X offset of 0.157 m gives Y and Z offsets of about +0.111 m and -0.111 m. With link6 y = -0.075 m and z = 0.95 m, its center would be near y = 0.036 m and z = 0.839 m, with its bottom perhaps around z = 0.82 m, just at the rim. These estimates suggest the intermediate carrying pose could provide a suitable release position while avoiding the earlier reach difficulty. I briefly considered a left link6 target of [0, -0.06, 0.98] m, aiming for an object center near y = 0.04 m and z = 0.88 m. With an intermediate forward offset of about 0.1 m, link6 y = -0.04 m would instead put the object center near y = 0.06 m. I will choose link6 y = -0.05 m, moving forward from about -0.1 m. At left link6 z = 0.96 m, I estimate the toy center at z = 0.861 m and its bottom around 0.82 m. At right link6 z = 0.95 m, I estimate the watch center at z = 0.839 m and its bottom around 0.82 m. Both should be over the front interiors, with center Y coordinates around 0.04–0.06 m, roughly 0.05 m inside the front rim at y = -0.01 m. I will keep both grippers closed and command the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281] in wxyz order, with left link6 at [0, -0.05, 0.96] m and right link6 at [0.31, -0.05, 0.95] m for 6 control steps. Then I will inspect the measured positions and orientations and the wrist views of the objects and baskets before releasing. This may allow a lower, stable placement than the previous release.

The wrist views show the held toy over the blue basket, with the previously placed toy behind it, and the watch fully over the red basket interior. The left gripper’s measured orientation is near the intermediate orientation, with an estimated angular difference of 0.12 rad. Its local X direction is approximately [0, 0.81, -0.58] in the environment frame. An object-center offset of 0.14 m along local X gives offsets of +0.113 m along Y and -0.081 m along Z. Using the approximate link6 position [0, -0.071, 0.98] m, I estimate the toy center at y = 0.042 m and z = 0.899 m. Its bottom may be at z = 0.86 m, about 0.11 m above the basket floor at z = 0.75 m. For the right gripper, local X has approximate environment-frame components of +0.787 along Y and -0.614 along Z. The watch-center offset of 0.157 m gives offsets of +0.124 m along Y and -0.0964 m along Z, placing its center near y = 0.046 m and z = 0.8856 m. I estimate its bottom at z = 0.87 m and the remaining drop at about 0.1 m. Both objects are over their intended basket interiors, so I can release them now. I will open both grippers for 3 control steps, then withdraw them.

The toy and watch are inside their baskets, so four of the eight objects are placed. The remaining objects are the right pepper, the left and center watches, and the back-right wooden toy. My next assignment is the left arm taking the pepper to the white basket and the right arm taking the back-right toy to the blue basket. The pepper is around x = 0.135 m, which may be reachable by the left arm, while the toy at x = 0.437 m is conveniently near the right arm. After that, the right arm can pick the center watch at x = 0.036 m and put it in the red basket. The left arm can pick the left watch at x = -0.166 m, but getting it to the red basket may require a transfer to the right arm. Once the center watch is placed, the right arm could retrieve the left watch from a transfer location near x = 0 where the left arm has set it down. Could the left arm place the left watch directly into the red basket with the horizontal carrying quaternion q0? It reached the blue basket at x = 0. The red placement target near x = 0.31 m would require another 0.31 m of lateral travel, plus any orientation change. If the left base were at x = -0.3 m and its lateral reach were about 0.6 m, that might be possible. I considered inspecting joint 1 in the measured left-arm state at observation 224 and comparing the center-toy grasp at x = -0.059 m with placement at x = 0. I could reason from measured joints, but there is no need to consult simulator internals or an ARX X5 kinematic model. A direct attempt later could use waypoints at x = 0.1, 0.2, and 0.3 m. A failed IK precheck would spend no steps, and I could keep the right arm out of the way to reduce collision risk. If the route proved unreachable, I could use the transfer. Perhaps the task allows both arms to reach all categories, but the base geometry is still uncertain. With a base at x = -0.3 m, an arm length of 0.6 m, and a Y offset of 0.3 m, reaching the red basket would involve about 0.67 m and be borderline. Horizontal fingers extend about 0.157 m, reducing the required link6 Y target to about -0.08 m while X remains 0.3 m. A hypothetical base at (-0.3, -0.5, 0.8) m would give a distance of 0.673 m, which seems unlikely with a maximum arm length of 0.55 m. Conversely, the initial link6 pose was (-0.3, -0.352, 0.922) m; if the base were near (-0.3, -0.6, 0.75) m, the implied arm length would be about 0.3 m. These guesses do not resolve the geometry. The initial head view may provide a better base estimate. The bases appear near pixels (70, 420), with the black left base center around (80, 420). Is the base on the floor, and is assuming z = 0.75 m appropriate? At that assumed height, I initially estimate x around -0.7 m; inverse projection at vertical pixel 420 gives y around -0.42 m and x around -0.65 m. That suggests a left base near (-0.65, -0.42) m. The initial link6 would then extend about 0.35 m along X and 0.17 m along Z from the base. On that interpretation, the red basket at x = +0.3 m is 0.95 m laterally from the left base and cannot be reached directly. A right base near x = +0.65 m would be about 0.816 m laterally from the left watch at x = -0.166 m, compared with 0.65 m to the blue basket at x = 0. That also seems too far. A transfer at x = 0 should be reachable by both arms, so I will plan to use it for the left watch. The remaining pepper may also be near the left arm’s reach limit. From a left base at x = -0.65 m to the pepper at x = 0.135 m, the lateral distance is 0.785 m, compared with 0.65 m to the blue basket. One alternative is for the right arm to pick the pepper and transfer it at x = 0 to the left arm for white-basket placement. The left arm is currently near x = 0 and the right near x = 0.31 m, so that could work. Using transfers for both objects would take extra steps, though. I will first try approaching the pepper with the left arm. A downward pregrasp near x = 0.135 m, y = -0.089 m is only about 0.14 m from the current left pose near (0, -0.071, 0.98) m, and the precheck can assess the proposed pose. Under the tentative base estimate, the pepper’s Y coordinate is relatively close to base y = -0.42 m, but the 0.785 m X separation and roughly 0.25 m Z separation give an estimated total distance of 0.826 m, potentially too far for an arm length of 0.7 m. Yet the current left pose is already about sqrt(0.65² + 0.35² + 0.23²) = 0.77 m from that estimated base. A pepper pregrasp at (0.135, -0.089, 1.02) m would be about 0.833 m away and might be near the limit. The base estimate itself may be wrong. If the precheck fails, the right arm can grasp the pepper and transfer it. The back-right toy at (0.437, -0.065) m should be easy for the right arm under the same base estimate: its lateral distance from x = 0.65 m is 0.213 m. Placement in the blue basket requires the previously demonstrated reach to x = 0, about 0.65 m laterally from that base. Both open grippers can now leave the baskets and approach the pepper and back-right toy simultaneously. The current left quaternion is [0.644, -0.29, 0.289, 0.646] in wxyz order, and the right is similar. For the downward grasp quaternion qd, the left quaternion dot product is approximately 0.322 + 0.145 + 0.1445 + 0.323 = 0.9345, giving an orientation distance of about 0.726 rad, within the limit. Proposed pregrasp positions are (0.135, -0.089, 1.04) m for the left link6, about 0.145 m away, and (0.437, -0.065, 1.04) m for the right, about 0.128 m away. I need to check clearance during withdrawal because the fingers currently point diagonally forward and down into the basket interiors. For the left fingertips, local x = 0.157 m with an approximate direction [0, 0.81, -0.58] gives offsets of +0.127 m along Y and -0.091 m along Z. Their estimated height is therefore 0.889 m, above the rim at 0.824 m. The right fingertips are around z = 0.886 m and also appear clear. Since the objects are released, moving toward the next targets at z = 1.04 m should be safe. The left Y change from -0.071 to -0.089 m is slightly backward, and the right motion is similar. Before moving, I will refine the object positions. The back-right toy may have shifted from its initial pixel location (516, 228); in observation 227 it appears near (515, 225). I can use stereo views later. Its initial world estimate was (0.437, -0.0656, 0.765) m using an assumed center height of 0.765 m, but its actual center is likely around z = 0.789 m. Inverse-projecting pixel (515, 225) at that height might give x around 0.432 m. The remaining pepper appears near pixel (384, 230), and I will assume z = 0.793 m; its inverse-projected position may be around x = 0.135 m and y = -0.080 m. I will calculate these estimates with the camera calibration.

The updated estimate puts the back-right toy at x = 0.419 m rather than 0.437 m, using vertical image coordinate v = 225 rather than 228 pixels. I will target the left link6 at [0.135, -0.088, 1.04] m above the remaining pepper and the right link6 at [0.419, -0.073, 1.04] m above the toy. Both grippers will remain open and turn to the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. The left arm’s IK precheck may fail. I will allow 10 control steps.

Only the left arm failed the precheck; the right arm passed, but neither moved. The pepper may be unreachable by the left arm in the downward orientation. I could try a left link6 waypoint at (0.08, -0.09, 1.02) m, followed by x = 0.135 m, while retaining the previous right-arm target. The estimated rotation from the current left orientation to the downward quaternion is 0.726 rad, within the command limit. An intermediate pose might succeed even though the final precheck failed. At x = 0.08 m, the gripper would not yet be over the pepper, but the wrist camera could observe it. If the next target failed, I could use a handoff. Another possibility is to move the left arm to x = 0.135 m while retaining its current, nearly intermediate orientation, then rotate downward. The precheck’s rotation error of about 11° suggests difficulty with both reach and orientation. Moving with the current orientation might pass, and perhaps the subsequent rotation could be handled through joint 6 rather than a change in overall reach. The earlier left-arm grasp at x = -0.059 m worked, but x = 0.135 m may be near its lateral limit. I do not need to force that approach. I can reassign the pepper to the right arm while the left arm picks the left watch and prepares a central table handoff. I am treating direct right-arm placement into the white basket as unavailable. The right arm can put the pepper at a central transfer location for the left arm to retrieve and place in white. The left arm can similarly put the watch at a central transfer location for the right arm to retrieve and place in red. I could perform these two transfers in parallel: the left arm picks the watch, the right picks the pepper, and each places its object at a separate spot near the center of the table. Each arm then retrieves the other’s object. This seems straightforward and robust. The right arm would still need to handle the back-right toy and center watch. The remaining sequence would be the left watch pickup and transfer, the right pepper pickup and transfer, the left pepper retrieval and white-basket placement, the right watch retrieval and red-basket placement, the right back-right toy pickup and blue-basket placement, and the right center watch pickup and red-basket placement. I estimate eight pick-and-place cycles—four original equivalents plus four extra—and the remaining budget of 873 control steps should be enough. I also considered a horizontal left-arm pepper grasp with link6 at x = 0.135 m, y = -0.23 m, z = 0.82 m, using forward-pointing fingers to reach the object. That would reduce the forward extension, although the estimated lateral distance from the base would still be 0.785 m. With a Z separation of about 0.1 m, the total distance might be around 0.8 m, perhaps near an arm reach of 0.8 m. It might work despite the downward-pose failure, but the low approach height introduces collision concerns, so I prefer the handoff. A diagonal or side grasp is another possibility: a waypoint at x = 0.08 m might succeed, and tilting local X toward global +X could let the fingers reach the pepper at x = 0.135 m while link6 remains near x = 0.05 m. That would complicate the grasp and closing-direction alignment. The central table transfer is simpler. I will now approach the left watch with the left link6 target at (-0.163, -0.131, 1.04) m and the pepper with the right link6 target at (0.135, -0.088, 1.04) m. Both grippers will remain open and use the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. These targets appear within reach: the left moves from approximately x = 0 to -0.163 m, and the right from x = 0.31 to 0.135 m. Both current orientations are near the intermediate pose, and I estimate the direct downward rotation at about 0.72 rad. My estimated target distances are 0.173 m for the left arm and 0.176 m for the right. I expect the precheck to pass and will allow 10 control steps.

In the head-camera view, the left pepper remains in the white basket at pixel (207, 170), compared with its earlier horizontal coordinate of 205 pixels. The left watch is visible. The right wrist view shows the red basket and the placed watch, but not yet the remaining pepper, which is below the view. I will continue moving the left arm toward the left watch and the right arm toward the remaining pepper, with both grippers open and the exact downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. The left quaternion dot product is 0.281 + 0.2145 + 0.2135 + 0.282 = 0.991, giving an estimated orientation distance of 0.27 rad. The right dot product is 0.2925 + 0.1995 + 0.198 + 0.2925 = 0.9825, giving about 0.374 rad. The estimated position distances are 0.09 m for the left arm and 0.119 m for the right. I am considering 10 control steps, though 8 steps may suffice.

The left watch is centered near pixel (330, 160) in the left wrist view, while the remaining pepper is near pixel (155, 210) in the right wrist view. The right arm still needs to move left by 0.056 m to reach its link6 X target of 0.135 m; that should shift the pepper rightward toward the image center. I will refine the objects’ world positions using stereo triangulation. With the left gripper now at the exact downward orientation, I will match the watch at head-camera pixel (243, 254) with left-wrist pixel (330, 160). For the pepper, I will match head-camera pixel (384, 230) with right-wrist pixel (155, 210).

The left watch’s estimated center height is z = 0.7735 m, higher than the previous right watch’s z = 0.7656 m. Perhaps the selected point is on the top of the band. I will use grasp-center coordinates x = -0.1596 m and y = -0.1348 m, with an intended link6 grasp height of 0.923 m, as for the previous watch. The remaining pepper’s estimated center is at [0.1341, -0.0898, 0.7955] m. I will use a link6 grasp height of 0.93 m for it, giving a vertical offset of 0.1345 m above its center. The left arm needs only small alignment corrections: +0.0034 m along X and -0.0038 m along Y. The right arm needs a -0.0569 m correction along X. I will combine alignment with an initial descent to link6 z = 0.94 m for both arms, targeting [-0.1596, -0.1348, 0.94] m on the left and [0.1341, -0.0898, 0.94] m on the right. I estimate the target distances as 0.08 m on the left and 0.083 m on the right. I will use 3 control steps for this approach. The right arm may move only about 0.03 m along X and 0.03 m downward during those steps. I then plan another 3-step descent toward link6 heights of 0.923 m for the watch and 0.93 m for the pepper.

The pepper is still at horizontal pixel 230, left of the image center at pixel 320. The right gripper needs to move another 0.023 m left along X. The watch is centered. I will use 3 control steps to move toward link6 heights of 0.923 m on the left and 0.93 m on the right, while completing the X and Y alignment. The actual heights may only reach about 0.952 m on the left and 0.937 m on the right, so another descent may be needed afterward.

The pepper is centered at horizontal pixel 330, with its bottom clipped by the wrist image. The right link6 is at z = 0.932 m, while the pepper’s estimated center is at z = 0.795 m, giving a vertical offset of 0.137 m. This looks suitable for grasping. The height is 0.005 m above the previous pepper grasp at link6 z = 0.927 m, which seems acceptable, so I can close the right gripper now. The left watch’s image center is at pixel (320, 240). The left link6 is at z = 0.952 m and needs to descend 0.029 m to its target height of 0.923 m. Three control steps will likely reach that height. I will keep the left gripper open during this descent while closing the right gripper at its current height.

The left watch is between the open fingers and ready for closure. The right gripper’s opening command is 0.418, matching the earlier left-pepper grasp, which I interpret as good contact with the pepper. I will command both grippers closed for 3 control steps while holding the grasp poses steady.

I will make a 0.04 m vertical test lift with both grippers closed and their orientations held steady for 3 control steps, then check whether the watch and pepper move with their grippers.

Both objects appear to have followed the test lift. In the head view, the watch moved from pixel (243, 254) to (240, 245), and the pepper moved from (384, 230) to (389, 223). I take that as confirmation of both grasps. I need clear central table locations where the opposite arms can retrieve them. The existing center watch is around x = 0.036 m, y = -0.207 m, so I must avoid it. My first possibilities are to put the left-held watch at x = -0.03 m, y = -0.30 m for the right arm, and the right-held pepper at x = 0.12 m, y = -0.30 m for the left arm. The arms are currently roughly at x = -0.16 m and +0.135 m, y = -0.135 m, z = 0.96 m. Moving the handoff locations toward y = -0.28 m would bring them closer to the robot. Another arrangement would put the watch at (0.02, -0.30) m and the pepper at (-0.10, -0.30) m. The watch would be about 0.093 m from the center watch, which seems enough for an estimated watch diameter of 0.05 m, and the two handoff objects would be 0.12 m apart. The left arm could easily retrieve the pepper at x = -0.10 m, and the right could retrieve the watch at x = +0.02 m. However, simultaneous placement would cross the arms’ paths: the left would move from x = -0.16 m to +0.02 m while the right moved from +0.135 m to -0.10 m at the same Y coordinate. Different Y lanes might help, with the watch at (0.02, -0.29) m and the pepper at (-0.10, -0.37) m. But the table’s front edge is around y = -0.4 m, and with a pepper radius of 0.04 m, y = -0.34 m would be safer. The paths would still cross. I could stagger the placements instead: move the watch to (0.02, -0.30) m while the right arm holds the pepper at approximately (0.135, -0.09) m or lifts it clear, then move the pepper to (-0.10, -0.30) m after the left arm withdraws, perhaps to x = -0.2 m. There is enough control budget to sequence them. A handoff without crossing seems simpler. I could put the watch at (-0.03, -0.28) m and the pepper at (0.10, -0.30) m. The right arm may reach slightly negative X, but I am uncertain whether the left can retrieve a pepper at x = 0.10 m after its failed approach at x = 0.135 m. Placing the pepper at x = 0 would be another possibility. Alternatively, the watch could be at (-0.02, -0.30) m and the pepper at (0.08, -0.30) m, separated by 0.10 m. The left arm’s downward grasp at x = 0.08 m is unverified, but moving the pepper toward y = -0.30 m should make it easier to reach than at its original y = -0.09 m because it requires less forward extension. The right arm previously reached the blue basket with link6 at x = 0, y = -0.07 m, so retrieving a watch at x = -0.02 m, y = -0.30 m should also be easier in the forward direction. The objects do not need to swap X sides during placement; moving them toward the front may make them accessible to the opposite arms. I will use final handoff locations of (-0.03, -0.30) m for the watch and (0.08, -0.31) m for the pepper. The left arm moves from x = -0.16 m to -0.03 m, and the right from x = 0.135 m to 0.08 m, without crossing. Their final separation is about 0.11 m. Each open downward gripper is about 0.1 m wide along X, while a closed gripper holding an object may be about 0.04 m wide. The link6 separation of 0.11 m seems workable, although I need to monitor the arm bodies. The center watch is about 0.09 m behind the handoff area; I estimate distances of 0.11 m from it to the handoff watch and 0.12 m to the pepper. The left-held watch moves toward the center and backward along negative Y, while the pepper moves slightly left and backward. I will retain the downward orientation for table placement. I initially considered transport at z = 1.0 m followed by lowering the watch’s link6 to z = 0.91 m. With a watch center near z = 0.773 m and a grasp offset of about 0.151 m, that would put its center near z = 0.759 m and its bottom near z = 0.74 m, below the estimated tabletop at z = 0.75 m. I should instead return to the original grasp heights. The left link6 was at z = 0.924 m when the watch center was estimated at z = 0.7735 m, giving an offset of 0.1505 m. Returning link6 to z = 0.924 m should restore the watch to its original height, with its base perhaps at z = 0.75 m. The pepper was grasped with link6 at z = 0.932 m and its center at z = 0.7955 m, giving an offset of 0.1365 m. I will use z = 0.932 m for its placement. At these heights, the fingertips would be at z = 0.7664 m on the left and 0.7744 m on the right, above the estimated table. After opening, I will lift away. The current link6 heights are 0.959 m and 0.968 m, with estimated held-object bottoms around 0.78 m and 0.79 m. I could move horizontally at z = 1.0 m before descending, but I need to check the swept paths. Along the left route, an intermediate watch position around x = -0.08 m, y = -0.23 m would be about 0.118 m from the center watch at (0.036, -0.207) m, which seems safe. The direct pepper route from (0.135, -0.091) m to (0.08, -0.31) m is closer: at y = -0.207 m, its X coordinate would be about 0.103 m, only 0.067 m from the center watch. The estimated pepper radius of 0.04 m plus watch radius of 0.025 m totals 0.065 m, leaving too little margin. I will route the pepper to the right of that watch. One option is to lift to z = 1.04 m, move from (0.135, -0.091) m to (0.16, -0.30) m, then move left to (0.08, -0.31) m after passing it. At y = -0.207 m and x = 0.16 m, the separation from the center watch would be about 0.124 m. The final move at y = -0.31 m would leave about 0.11 m between the pepper and the handoff watch at (-0.03, -0.30) m. I could first target the right link6 at (0.16, -0.31, 1.0) m and the left at (-0.03, -0.30, 1.0) m, then correct the pepper’s X coordinate to 0.08 m. At right link6 z = 1.0 m, I estimate the pepper bottom at z = 0.82 m, about 0.04 m above the center watch’s top at z = 0.78 m. Another option is a separate 5-step vertical lift to z = 1.04 m followed by 8 steps toward the high handoff waypoints. I will instead combine the lift and translation, targeting left link6 at (-0.03, -0.30, 1.04) m and right link6 at (0.16, -0.31, 1.04) m. I estimate target distances of 0.214 m and 0.22 m, within the 0.25 m limit. The objects appear high enough initially for this combined motion. I will allow 10 control steps, recognizing that the measured motion may only reach partway. Afterward, I plan to move the right arm to x = 0.08 m and descend toward link6 heights of 0.924 m and 0.932 m in 3-step increments. I will monitor arm-body clearance as they converge. Their current separation is about 0.295 m; the high waypoints leave about 0.19 m between x = -0.03 m and x = 0.16 m. The final separation is about 0.11 m, which may leave a 0.06 m gap if the closed grippers are about 0.05 m wide. For this action, both grippers will remain closed with the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order.

In the head-camera view, the held left watch is near pixel (275, 295), while the center watch is at (338, 288). Are they too close? Using the current estimated world coordinates of x = -0.072 m, y = -0.251 m for the held watch and x = 0.036 m, y = -0.207 m for the center watch, their separation is about 0.118 m, which seems safe. The held pepper is currently at x = 0.148 m, y = -0.206 m, about 0.112 m from the center watch, which also seems safe. I will move to the high handoff positions before lowering the objects: left link6 at (-0.03, -0.30, 1.02) m and right link6 at (0.08, -0.31, 1.02) m. I estimate the target distances as 0.066 m for the left arm and 0.123 m for the right, and will allow 8 control steps with both grippers closed. At the targets, the separation will be about 0.11 m. Could the held objects collide? With an estimated pepper radius of 0.045 m, watch radius of 0.03 m, center separation of 0.11 m, and Y difference of 0.01 m, I estimate a gap of 0.035 m, which seems safe. The closed grippers may each be about 0.06 m wide, so a link6 separation of 0.11 m also seems sufficient. The white arm bodies could come close, but I think the motion is likely clear.

The left gripper’s opening command has increased from 0.361 to 0.411 despite remaining commanded closed. The measured orientations have also deviated: the left quaternion is [0.503, -0.497, 0.502, 0.497] and the right is [0.514, -0.485, 0.514, 0.485], in wxyz order. The right arm has not reached its target; its measured X and Y coordinates are 0.11 m and -0.271 m. Could the arms have collided? In observation 280, the arms and gripper assemblies appear close together near the center, possibly touching. The left link6 is at X and Y coordinates (-0.031, -0.305) m and the right at (0.11, -0.271) m, with an estimated separation of 0.147 m. The black arm components look almost side by side, though that may still be acceptable. The left opening-command change could reflect the object being forced or unusual controller behavior. I regard the right opening of about 0.417 as unchanged. Could gripper-to-gripper contact have caused the left opening to increase? I should avoid moving them farther inward. The previous final right target at (0.08, -0.31) m would leave only about 0.11 m of separation, which may be too close for the arm bodies. I will increase the spacing between the handoff locations. One option is the watch at (-0.05, -0.30) m and the pepper at (0.10, -0.34) m, about 0.156 m apart. The left arm may be able to retrieve the pepper at that forward-table location, and the right should be able to retrieve the watch. Moving the right arm from (0.11, -0.271) m to (0.10, -0.34) m would take it backward and away from the left arm, leaving an estimated separation of 0.134 m. Moving the left target to (-0.06, -0.30) m would increase the final separation to about 0.165 m. I estimate the center watch at (0.036, -0.207) m would be about 0.134 m from the pepper and 0.16 m from the handoff watch. I also considered moving the left arm toward (-0.06, -0.32) m and the right toward (0.10, -0.35) m. However, the table’s front edge may be around Y = -0.4 m. Is its head-image position near vertical pixel 400, or is its world Y coordinate perhaps -0.42 m? The initial fingers were at Y = -0.352 m. With a pepper radius of 0.05 m, placing its center at Y = -0.35 m would extend it to -0.40 m, right at the estimated edge, which is risky. Using Y = -0.32 m would keep its extent at about -0.37 m. I will therefore use handoff locations of (-0.06, -0.30) m for the watch and (0.10, -0.32) m for the pepper, with an estimated separation of 0.161 m. The left arm will move from X = -0.031 m to -0.06 m, while the right moves backward from Y = -0.271 m to -0.32 m. This moves them apart without crossing. I will first reposition both at link6 Z = 1.02 m for 5 control steps, keeping both grippers closed and using the exact downward quaternion [0.5, -0.5, 0.5, 0.5]. The wrist views still show the watch and pepper held steadily despite the left opening command of 0.411. After repositioning, I plan to descend toward link6 heights of 0.924 m on the left and 0.932 m on the right in 3-step actions. The left descent is about 0.096 m, and I expect only about 0.033 m of actual descent over 3 steps.

The arms are still close, with an estimated separation of 0.161 m, and their orientations are not exact; I estimate quaternion errors of about 0.04. Could this be due to contact between the arms? In the head-camera view, the white left wrist appears near the right black link around pixel (335, 237), suggesting possible slight contact between the arm ends. I should avoid descending both arms simultaneously while they are this close. Both objects still appear stable. I will place the handoff objects one at a time, retracting the other arm to provide clearance. I initially considered holding the pepper aside with the right link6 at (0.22, -0.28, 1.05) m. The left arm can then place the watch at (-0.06, -0.317, 0.924) m. After the left gripper releases the watch and retreats to x = -0.2 m, the right arm can place the pepper at x = 0.1 m, y = -0.32 m. The extra motions are necessary for a safer placement. For the immediate action, I will move the right link6 to (0.22, -0.27, 1.06) m, an estimated target distance of 0.121 m, with the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order and the gripper closed. I will hold the left arm at its exact current measured pose with its gripper closed. The right arm’s path moves away from the center and appears collision-free. I will allow 6 control steps, then plan a 3-step descent for the left arm while the right holds the pepper aside.

The arms are now about 0.215 m apart, which seems sufficient. I will lower the left-held watch at the current link6 X and Y coordinates of -0.054 m and -0.317 m, targeting z = 0.924 m and the exact downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. The left orientation is slightly off, but this small correction should be within the allowed rotation limit. The right arm will hold the pepper at its current link6 position of [0.16, -0.289, 1.038] m. I will keep both grippers closed and use 3 control steps for the left descent. The left link6 may only reach about z = 0.96 m during this action; I can then use another 3 steps toward z = 0.924 m.

The left link6 is currently at z = 0.989 m. I will continue toward z = 0.924 m for 3 control steps; I expect it to reach about z = 0.956 m, then need another 3 steps toward z = 0.924 m. I will use 3 steps for now.

I will continue lowering the left-held watch toward its release height for another 3 control steps, keeping the right arm stationary with the pepper held.

I will open the left gripper for 3 control steps to release the watch, while holding the right arm stationary with the pepper still grasped. The watch should come to rest on the table.

The watch appears to be resting on the table. I will lift the empty left gripper to z = 1.04 m and move it away to x = -0.18 m, y = -0.28 m. I initially considered moving the right-held pepper to a handoff position at x = 0.08 m, y = -0.32 m, z = 1.02 m after the left arm had retracted enough. I could move both arms simultaneously, targeting left link6 at (-0.18, -0.28, 1.04) m and right link6 at (0.10, -0.32, 1.02) m from its current position of (0.16, -0.289, 1.038) m. I estimate those target distances as 0.168 m for the left arm and 0.07 m for the right. Moving the left arm away should increase their separation and provide clearance. The left arm might later be able to retrieve the pepper at (0.10, -0.32) m, but a handoff at x = 0.06 m would make its reach easier. The right arm can move there while the left retracts toward x = -0.18 m. I will choose the right link6 target (0.06, -0.32, 1.02) m. With the watch at approximately (-0.054, -0.317) m and the pepper at (0.06, -0.32) m, their estimated separation is 0.114 m. Assuming a pepper radius of 0.05 m and a watch radius of 0.03 m, that leaves a gap of 0.034 m, which seems sufficient. The left arm will be farther away during the pepper placement. I will use 8 control steps for the simultaneous retraction and repositioning, keeping the left gripper open and the right gripper closed. Then I plan to lower the right link6 toward z = 0.932 m in 3-step increments while holding the left arm clear.

At first I wondered whether the original center watch had moved from head-camera pixel (338, 288) to (287, 344). The watch at (287, 344) instead appears to be the left watch I placed at the handoff location near world coordinates x = -0.054 m and y = -0.317 m. Projecting the estimated point (-0.054, -0.317, 0.77) m into the head view gives a depth of 0.5 × 0.093 + 0.866 × 0.538 = 0.512 m and u = 289.6 pixels. The optical Y coordinate is -0.0805 + 0.269 = 0.1885 m, giving v ≈ 346 pixels, consistent with that interpretation. Is the original center watch still at (338, 288), hidden behind the right arm? The right wrist view shows a watch at the top left, likely the handoff watch; the original center watch may be out of view. I will lower the right-held pepper toward a link6 height of 0.932 m while holding the left arm at its current pose. I will use 3 control steps now, then another 3. For the left hold target, I should retain its current quaternion [0.5, -0.5, 0.499, 0.5] in wxyz order, normalized; the exact downward quaternion would also be acceptable. The left gripper will remain open and the right gripper closed during the descent.

The right link6 is now at z = 0.987 m. I will continue lowering it toward z = 0.932 m for another 3 control steps while holding the left arm stationary.

I will continue lowering the right-held pepper toward the handoff release height for another 3 control steps, while holding the left arm stationary.

I will open the right gripper for 3 control steps to release the pepper, while holding the left arm stationary.

Both handoff objects are resting on the table. The left arm will retrieve the pepper at x = 0.064 m, y = -0.319 m, and the right arm will retrieve the watch at x = -0.054 m, y = -0.317 m. The current link6 positions are (-0.142, -0.294, 1.005) m on the left and (0.064, -0.319, 0.932) m on the right. Moving directly to the opposite objects simultaneously would cross the arms, so I need to sequence the pickups. I considered lifting the right arm vertically to z = 1.05 m and moving it toward the watch while the left holds, then bringing the left arm toward the pepper after the right passes. The current arm separation is about 0.206 m, but moving the right arm left to x = -0.054 m would reduce it to about 0.088 m at nearly the same Y coordinate. With the left gripper’s open downward fingers about 0.1 m wide, that could cause a collision. It is better to move the left arm back and left first, perhaps to x = -0.22 m, y = -0.35 m or to its initial position, while the right lifts and aligns with the watch. There are 777 control steps remaining, enough for sequential pickups. For this action, I will retract the left link6 to (-0.25, -0.35, 1.04) m and lift the right link6 vertically to (0.064, -0.319, 1.04) m, keeping both grippers open and downward. I estimate target distances of 0.124 m for the left arm and 0.108 m for the right. The left moves away while the right stays at its current X and Y coordinates, increasing their separation. I will allow 8 control steps. Once the left arm is clear, the right can move above the watch at (-0.054, -0.317, 1.02) m, an estimated distance of 0.118 m, then descend and grasp while the left holds aside. After the right watch grasp and test lift, I can bring the left arm toward the pepper as the right carries the watch rightward toward the red basket. That should avoid crossing the arms.

The right wrist view shows the pepper in the center and the watch to its left. I will move the right gripper above the watch at x = -0.054 m, y = -0.317 m. From its current x = 0.065 m, y = -0.32 m, this requires a 0.119 m leftward change along X, which should move the watch’s image toward the center. I will hold the left arm clear and allow 8 control steps.

The right link6 has reached x = -0.024 m rather than its target of -0.054 m, so it still needs to move 0.03 m left. The watch appears at horizontal pixel 240, left of the gripper center at pixel 320. The pepper is now at horizontal pixel 560, and the separation looks adequate. I considered finishing the alignment at x = -0.054 m, y = -0.317 m, and z = 1.0 m for about 5 control steps before descending. Instead, I will combine the alignment with a short descent, targeting the right link6 at [-0.054, -0.317, 0.95] m for 3 control steps while holding the left arm stationary. The actual leftward motion may be about 0.03 m. Afterward, I plan another 3-step descent toward z = 0.923 m.

The right link6 is at x = -0.042 m, still short of its target at x = -0.054 m. The watch appears at horizontal pixel 280, so the alignment looks good. I will use another 3 control steps to finish the X alignment and descend toward link6 z = 0.923 m, while holding the left arm stationary.

The right link6 is at z = 0.938 m, and the watch’s center appears near vertical pixel 250 in the wrist view. I need to lower the right gripper by 0.015 m toward z = 0.923 m. Three control steps may bring it to that height. I will keep the gripper open during the descent.

I will close the right gripper for 3 control steps while holding the left arm stationary.

The right gripper’s opening command is 0.363, which I interpret as contact with the watch. I will test the grasp by lifting the right link6 to z = 0.963 m for 3 control steps. Could the left arm begin approaching the pepper at the same time? Its current X coordinate is -0.225 m, still far from the pepper at x = 0.064 m. An intermediate left link6 target of (-0.03, -0.30, 1.04) m would bring it close to the right arm’s test-lift target at (-0.054, -0.317, 0.963) m. Those neighboring positions could cause a collision. I will keep the left arm parked until the right arm moves away and perform only the right-arm test lift now.

The watch appears to follow the right gripper after the test lift. It may have risen to head-camera pixel (282, 344), and its position in the wrist view is stable, so I consider the grasp secure. I can now move the right arm toward the red basket while the left approaches the handoff pepper. The right link6 is at (-0.053, -0.317, 0.959) m. I will target (0.12, -0.20, 1.02) m, estimating a travel distance of 0.199 m, while rotating from the downward orientation to the intermediate quaternion [0.653, -0.2706, 0.2706, 0.6533] in wxyz order. This moves the held watch rightward and forward, away from the left arm’s approach path. The left link6 is at (-0.225, -0.34, 1.032) m. A direct target above the pepper at (0.064, -0.319, 1.03) m would be about 0.29 m away, exceeding the 0.25 m command limit. I will instead use the waypoint (-0.04, -0.33, 1.04) m, about 0.185 m away. At the planned endpoints, the right arm’s X and Y coordinates will be (0.12, -0.20) m and the left’s will be (-0.04, -0.33) m, with an estimated separation of 0.235 m. Both arms move rightward, while the right also moves forward. Since the right starts ahead of the left in both X and Y, I expect their paths to remain safely separated. The left waypoint is still left of the pepper at x = 0.064 m; it can finish approaching after the right arm continues toward the red basket at x = 0.31 m, y = -0.1 m. The right arm’s intermediate rotation is about 0.785 rad. Could its path pass over the original center watch at x = 0.036 m, y = -0.207 m? Near the end of the path, at y around -0.207 m, the right arm may be near x = 0.12 m, leaving about 0.084 m of lateral separation. I estimate the held watch’s bottom at z ≈ 0.85 m after the lift, above the original watch at z = 0.78 m, so I expect clearance for the object and gripper body. The left gripper will remain open and downward. At link6 z = 1.04 m, its fingertips will be around z = 0.882 m, above the pepper and watch. I will keep the right gripper closed and allow 10 control steps.

The arms appear close together near the center of the head-camera view, but I have not observed a collision. The left link6 is at X and Y coordinates (-0.113, -0.333) m and the right at (0.024, -0.263) m, giving an estimated separation of 0.154 m. The right fingers point forward and down, while the left fingers point down. Their initial X separation is 0.137 m. Moving the left toward x = 0.064 m while the right moves toward x = 0.31 m should increase their separation. Will the right arm move faster as both travel rightward? I am uncertain, but the paths seem likely to be safe. I considered a right link6 target of (0.31, -0.08, 0.98) m with the intermediate carrying orientation, but its estimated distance of 0.348 m exceeds the 0.25 m command limit. I will instead use the waypoint (0.20, -0.12, 1.0) m, estimated to be 0.223 m away. The left target above the pepper is (0.064, -0.319, 1.02) m, estimated to be 0.177 m away. I estimate the separation at these endpoints as 0.218 m. The right arm’s current quaternion is [0.615, -0.359, 0.356, 0.604] in wxyz order; I estimate about 0.34 rad of rotation to the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281]. The right wrist view shows the original center watch as a small ring below the larger held watch. The right link6, at x = 0.024 m and y = -0.263 m, is near the original watch at x = 0.036 m and y = -0.207 m. I am unsure of the held watch’s bottom height and the exact diagonal direction of local X at link6 z = 0.989 m. I estimate the held watch’s center at z = 0.87 m and the original watch’s top at z = 0.78 m, which suggests clearance. Moving the right arm forward toward y = -0.12 m should take it away from that watch. I will command the left target (0.064, -0.319, 1.02) m with its gripper open and downward, and the right target (0.20, -0.12, 1.0) m with its gripper closed and the intermediate carrying orientation, for 10 control steps.

The pepper appears at pixel (475, 150) in the left wrist view. I need to move the left gripper 0.056 m rightward to center it. In the right wrist view, the red basket is on the right, the blue basket is on the left, and the held watch is centered. I am considering a left pregrasp height of z = 1.0 m and a right link6 placement target of (0.31, -0.05, 0.95) m with the intermediate carrying orientation. From the measured right position (0.094, -0.205, 0.997) m, I estimate that target distance as sqrt(0.0467 + 0.024 + 0.0022) = 0.27 m, exceeding the 0.25 m limit. One option is a waypoint at (0.28, -0.09, 0.97) m, about 0.219 m away, followed by the final target. I could also release at x = 0.28 m rather than the red basket center at x = 0.31 m. The intermediate orientation’s local-X offset does not affect global X, so I estimate the watch would remain at x = 0.28 m, within the basket’s estimated X span of 0.20–0.40 m. Another right target, (0.30, -0.06, 0.96) m, gives an estimated distance of sqrt(0.206² + 0.145² + 0.037²) = 0.255 m, slightly above the limit. I will instead use (0.28, -0.07, 0.96) m, about 0.232 m away. The left target will be (0.064, -0.319, 1.0) m, about 0.061 m away, with a slight orientation correction. I will keep the left gripper open and the right gripper closed and allow 8 control steps. This should move the right arm away while the left finishes centering over the pepper.

The right-held watch may be over the front-left part of the red basket. The wrist view shows the basket behind it and the existing watch to the right. I will continue toward the right link6 target of (0.28, -0.07, 0.96) m. The pepper is centered beneath the left gripper, so I can begin lowering the left link6 toward z = 0.94 m while the right arm continues its placement motion. I considered 3 control steps for the left descent and 5 for the right motion, but both arms share the step count in one call. With 3 steps, the right arm may move only partway toward its target. I estimate its target distance at 0.117 m and its actual motion during those steps at perhaps 0.07 m, which may be sufficient for this increment. The motion appears safe, and 3 steps is appropriate near contact. I will use 3 control steps for both arms.

The right wrist view now shows a red background entirely behind the held watch. The right link6 is at x = 0.219 m and y = -0.117 m in the intermediate carrying orientation. I estimate the watch’s forward Y offset as +0.11 m, putting its center at y = -0.007 m, near the red basket’s front rim at y = -0.01 m. Its estimated center height is z = 0.973 - 0.11 = 0.863 m, with its bottom around z = 0.84 m, just above the rim. Moving the right link6 forward to y = -0.07 m should put the watch center at y = 0.04 m, inside the basket. I will continue toward the same right-arm target at x = 0.28 m for 3 control steps while lowering the open left gripper toward link6 z = 0.932 m for the pepper grasp.

The right-held watch is over the red basket interior, with the previously placed watch underneath and to its right. I estimate the held watch’s center at approximately (0.258, 0.023, 0.854) m. Is the existing watch near x = 0.31 m, y = 0.08 m? Their positions may be close, but the spacing seems sufficient. Releasing could let the watch land on the basket floor or partly atop the existing watch, which is acceptable if it remains contained and stable. I could move slightly left to x = 0.24 m to avoid stacking. The existing watch was initially placed near x = 0.31 m, y = 0.04 m, and it currently appears behind and to the right of the held watch in the wrist view. Their centers may be about 0.05 m apart. Both watches have estimated diameters of 0.05 m, so they may touch, but that seems acceptable. The red basket interior fills the background, so I can release at the current position without reaching the exact link6 X target of 0.28 m. I also considered a small adjustment to link6 position (0.25, -0.07, 0.95) m before release for stability, but it does not seem necessary. The native container check will likely regard the watch as inside. I will open the right gripper and close the left gripper around the pepper for 3 control steps.

The right gripper has released the watch. It appears to be inside the red basket, perhaps lying atop or against the existing watch, though it may still be falling. The left gripper’s opening command is 0.425 and may not have settled yet. I initially considered continuing closure for 3 steps at the same pose before test-lifting the pepper, while the right arm retracts. One possible right-arm retreat is to link6 position (0.30, -0.20, 1.05) m with the gripper open. From its current position of (0.258, -0.088, 0.965) m, it could lift and move backward, either retaining the intermediate orientation or turning downward. That would clear the red basket and prepare it for the remaining center watch or back-right wooden toy. Instead, I can move the right arm directly toward the back-right toy’s pregrasp position at (0.419, -0.073, 1.04) m with the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. I estimate the rotation from its current intermediate orientation at 0.785 rad and the position distance at 0.162 m. At that target, the open fingertips would be at about z = 0.882 m, above the toy’s estimated top at z = 0.82 m, leaving about 0.06 m of clearance. The right fingers currently point diagonally forward and down inside the red rim, but moving rightward toward the toy while rising appears safe. The left-held pepper, at x = 0.064 m and y = -0.319 m, is well away from that path. The center watch still needs sorting, but I can handle the toy next while the left arm transports the pepper to the white basket. I considered allowing 8 steps for the right approach while finishing the left closure. The left opening command of 0.425 is close to the earlier pepper contact value of 0.418, so perhaps closure has already settled after 3 steps and a test lift is reasonable now. Both arms must use the same step count, so I cannot give the left test lift 3 steps and the right approach 8 steps in one call. I also considered 6 steps with a left link6 target height of 0.974 m, estimating that the actual height might only reach about 0.955 m. However, 3 steps is preferable for a small test lift with orientation held steady. I will use 3 control steps, targeting the left link6 at (0.064, -0.319, 0.974) m with its gripper closed and downward orientation unchanged. The right arm will target (0.419, -0.073, 1.04) m with the downward orientation and its gripper open, likely completing only part of that approach. I will then inspect whether the pepper follows the left gripper and check the right arm’s progress.

The pepper remains stable in the left wrist view and appears to follow the gripper. In the head view, it is near pixel (350, 350), compared with (352, 348) previously; did it move upward? The measured vertical lift was 0.036 m, though the change in its head-camera projection may be small. Together with the stable wrist view and apparent gripper contact, I consider the grasp secure. The two watches in the red basket have settled. I will carry the pepper toward the white basket while the right arm approaches the last wooden toy. Their paths appear separated enough for simultaneous motion. The left link6 is currently at (0.063, -0.319, 0.97) m, with the gripper closed and pointing downward. An initial placement option is link6 at (-0.31, -0.07, 0.98) m with the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281] in wxyz order. Assuming the pepper center is 0.14 m along local X, this orientation gives approximate offsets of +0.1 m along global Y and -0.1 m along global Z, placing the pepper near (-0.31, 0.03, 0.88) m inside the white basket. I estimate the direct target distance as 0.455 m, exceeding the 0.25 m command limit, so I need waypoints. The first left-arm waypoint will be (-0.10, -0.22, 1.03) m, which I estimate is 0.196 m away, while rotating to the intermediate carrying orientation. The right link6 will move from (0.273, -0.088, 0.971) m to the toy pregrasp target at (0.419, -0.073, 1.04) m, an estimated distance of 0.161 m. Its quaternion dot product with the downward target is approximately 0.3205 + 0.149 + 0.1495 + 0.3205 = 0.9395, giving an orientation distance of about 0.699 rad. I expect the right arm can reach that pose in 10 control steps. The left arm will move leftward and forward, away from the right arm. From the first left waypoint, I estimate the distance to (-0.31, -0.07, 0.98) m as 0.259 m, slightly beyond the command limit. I could use another waypoint at (-0.25, -0.10, 1.0) m before the final placement. Alternatively, a target at (-0.30, -0.08, 1.0) m is about 0.233 m from the first waypoint and would allow two transport segments. Using the approximate +0.1 m Y and -0.1 m Z offsets, that target would put the pepper center near y = 0.02 m and z = 0.9 m, inside the front of the white basket, with a drop of about 0.1 m. More specifically, the handoff grasp used link6 z = 0.934 m with the pepper center near z = 0.795 m, giving a local-X offset of 0.139 m. At the exact intermediate orientation, I estimate center offsets of +0.098 m along Y and -0.098 m along Z. The link6 target (-0.30, -0.08, 1.0) m would therefore place the pepper center near (-0.30, 0.018, 0.902) m. Its bottom would be around z = 0.86 m, 0.036 m above the estimated rim at z = 0.824 m, with about 0.11 m to drop to the base at z = 0.75 m. The existing pepper may be near x = -0.3 m; its head-image position at (207, 170) might instead correspond to x = -0.25 m and y = 0.1 m. Placing the new pepper near x = -0.3 m and y = 0.018 m in the front half may avoid stacking them. The back-right toy is estimated at x = 0.419 m and y = -0.073 m, with a planned grasp height of link6 z = 0.927 m and a current pregrasp target of z = 1.04 m. I will refine its alignment with stereo views after this action. For now, I will execute the left transport waypoint and right pregrasp approach for 10 control steps, keeping the left gripper closed and the right gripper open.

Is the left-held pepper no longer visible in the head-camera view? It remains stable in the wrist view. The last toy appears at the bottom-right of the right wrist view, so the right link6 needs a +0.096 m X correction to reach x = 0.419 m. I will continue the left arm’s path toward the white basket. Its current quaternion is [0.604, -0.358, 0.361, 0.613] in wxyz order. I estimate its dot product with the intermediate carrying quaternion as 0.394 + 0.0969 + 0.0978 + 0.400 = 0.989, giving an orientation distance of about 0.3 rad, which is acceptable. The left link6 target at (-0.30, -0.08, 1.0) m is an estimated 0.335 m from its measured position of (-0.014, -0.27, 1.002) m, exceeding the 0.25 m command limit. I will first use the intermediate position (-0.20, -0.14, 1.02) m, estimated to be 0.231 m away. The right link6 target above the toy is (0.419, -0.073, 1.02) m, estimated to be 0.098 m away. I will allow 10 control steps, keeping the left gripper closed in the intermediate carrying orientation and the right gripper open in the downward orientation. After this waypoint, I plan to move the left arm toward its final white-basket target.

In the left wrist view, the white basket is at the upper left and the held pepper is below it. The proposed target requires moving the left arm 0.21 m left and 0.137 m forward. The toy appears at pixel (440, 235) in the right wrist view. The right link6 is at x = 0.379 m and needs to reach x = 0.419 m, a 0.04 m rightward correction. Will that center the toy? With an estimated depth of 0.17 m and focal length of 397 pixels, I expect roughly a 100-pixel leftward shift in its image position, from x = 440 to about 340 pixels. For the left arm, I considered the link6 target (-0.30, -0.08, 1.0) m from its measured position of (-0.09, -0.217, 1.013) m. Is that distance about 0.253 m? My estimate sqrt(0.0441 + 0.0188 + 0.00017) = 0.25097 m is slightly above the 0.25 m command limit. I will instead use (-0.295, -0.085, 1.0) m, which I estimate is 0.247 m away. With the intermediate carrying orientation and the pepper’s estimated +0.098 m Y offset, its center would be at y = 0.013 m and z = 0.902 m, inside the front of the white basket. The left IK precheck might still fail at this intermediate carrying pose. The earlier intermediate placement at x = 0 m, y = -0.071 m, z = 0.98 m worked, as did the horizontal white-basket pose at x = -0.31 m and y = -0.055 m. The initial downward white-basket approach failed, but I think this intermediate orientation is likely reachable. I will keep the left gripper closed and target (-0.295, -0.085, 1.0) m in that orientation. The right gripper will remain open and target (0.419, -0.073, 1.0) m with the downward orientation; I estimate its current remaining rotation at 0.33 rad. I will allow 10 control steps for both arms.

The pepper may not yet be fully over the white basket. The white basket fills the background, but the held pepper appears at the bottom, toward the front. I estimate its current center at x = -0.201 m, y = -0.147 + 0.099 = -0.048 m, and z = 0.907 m. With the basket’s front at y = -0.01 m, the pepper is still just outside the interior. Moving the left link6 to the target Y coordinate of -0.085 m should put the pepper center at y = 0.013 m, inside the basket. I considered continuing the left placement for 6 control steps while lowering the right gripper for 3, since the toy is centered at image pixel (320, 200) and ready for descent. Both arms share the action’s step count, however, and the guidance calls for 1–3 steps near contact. The left target is about 0.113 m away; I estimate that 6 steps might move it about 0.1 m, while 3 might move it only about 0.05 m. Is that enough for this increment? It may need two actions. I will use 3 control steps for both arms. The left link6 target remains (-0.295, -0.085, 1.0) m with the pepper held in the intermediate carrying orientation. The right link6 will target (0.419, -0.073, 0.94) m with the downward orientation and its gripper open.

I estimate the held pepper’s Y coordinate as -0.124 + 0.099 = -0.025 m, so it is still just in front of the white basket and needs another approximately 0.04 m of forward motion. I will continue toward the same left-arm target for 3 control steps. The right link6 is at z = 0.965 m, and the toy’s center appears near vertical pixel 250 in the wrist view. I will lower the open right gripper toward link6 z = 0.927 m during the same 3 control steps.

I estimate the held pepper’s center at y = -0.099 + 0.099 = 0 m, near the white basket’s front rim and perhaps inside its boundary at y = -0.01 m. With an estimated radius of 0.04 m, the pepper extends both outside and inside the opening, so releasing now could leave it on the front rim. Moving the left link6 to its target y = -0.085 m requires only another +0.014 m along Y and should put the pepper’s center at y = 0.014 m, inside the basket. I will continue toward the same left-arm target for 2 or 3 control steps. The right link6 is at the toy’s grasp height of z = 0.93 m, so I can close that gripper. I will use 3 control steps to finish the left placement alignment while closing the right gripper. At the left target x = -0.295 m, I estimate the pepper’s center will be at y = 0.014 m. I am unsure of the existing pepper’s X coordinate; it may be toward the back-right of the white basket. The held pepper appears in front of and to the left of it, so the spacing seems acceptable.

The left arm has reached its target, placing the pepper’s estimated center at y = 0.014 m, inside the white basket opening, so I can release it. The right gripper’s opening command has settled at 0.354, which I interpret as contact with the last toy. I initially considered opening the left gripper for 3 control steps while holding the right arm still, then test-lifting the toy and retracting the left arm. Since the right closure appears settled, I can combine the pepper release with the toy’s test lift. I will keep the left arm at its current pose and open its gripper, while keeping the right gripper closed and targeting a link6 height of z = 0.97 m for 3 control steps.

The second pepper is inside the white basket. The last toy appears at head-camera pixel (519, 225), compared with its original position at (516, 228). The change is small, but it follows the gripper and remains stable in the wrist view, so I consider the grasp successful. The right arm will transport the toy to the blue basket. I considered preparing the left arm to pick the remaining center watch at x = 0.036 m, y = -0.207 m, but that watch must go into the red basket, which the left arm cannot reach. The right arm will handle it after placing the toy, while the left arm retreats or parks clear. The right link6 is currently at (0.419, -0.074, 0.966) m. I plan to carry the toy with the intermediate quaternion [0.653281, -0.270598, 0.270598, 0.653281] in wxyz order, using waypoints toward x = 0.2 m, y = -0.14 m. The desired blue-basket placement pose is (0, -0.07, 0.98) m in that intermediate orientation. I estimate the direct distance as 0.433 m, exceeding the 0.25 m command limit. A waypoint at (0.22, -0.14, 1.02) m is about 0.217 m away, followed by a move of about 0.23 m to the placement pose. The leftward path runs in front of the red basket, whose rim is behind it near y = 0 m. For the empty left arm, I considered retreating from white to (-0.30, -0.30, 1.05) m with either the downward or intermediate orientation. A target at (-0.30, -0.30, 1.04) m with the downward quaternion [0.5, -0.5, 0.5, 0.5] would require about 0.785 rad of rotation and 0.22 m of translation. I also considered returning toward the initial horizontal orientation at (-0.3, -0.352, 1.04) m; I estimated that rotation as 1.57 rad, requiring a split, but there is no need to do that now. I will park the left arm at (-0.30, -0.32, 1.04) m, open and pointing downward. It will remain far from the toy’s path from x = 0.419 m to x = 0.22 m and from the later center-watch pickup. My initial plan was to execute that left retreat together with the right waypoint at (0.22, -0.14, 1.02) m in the intermediate carrying orientation for 10 control steps. From the left arm’s current pose of (-0.295, -0.085, 1.0) m, I estimated the retreat distance as 0.235 m. Moving backward and upward should clear the basket. However, I need to account for the toy’s swept path near the red rim before combining translation and rotation. I initially used a held-toy center estimate of x = 0.419 m, y = -0.074 m, z = 0.79 m, below the estimated rim height of 0.824 m and near the basket’s outer right edge. Rotating forward while lifting could bring its Y coordinate from -0.074 m toward -0.01 m before its center rises above 0.824 m. After the full intermediate rotation and lift, I estimate its center near y = -0.004 m, z = 0.87 m, safely above the rim. Earlier in the rotation, with link6 around z = 0.99 m, its center might be near y = -0.02 m, z = 0.84 m. The toy extends about 0.04 m, so its bottom could be at z = 0.80 m and strike the rim despite the center being above it. I should lift vertically before rotating. The current link6 height is 0.966 m. I estimate the toy center at z = 0.826 m, while the grasp-height calculation gives 0.788 + 0.036 = 0.824 m, essentially level with the rim. Its Y coordinate is -0.074 m, the front rim is near y = -0.01 m, and its extent along Y is about 0.05 m. The initial grasp beside red caused no observed collision, but rotation could swing the toy into the rim. Lifting link6 to z = 1.04 m first would put the estimated toy center at z = 0.898 m. I considered 4 control steps for that vertical lift while the left arm retreats, then transporting afterward. With 4 or 6 steps, an actual rise of about 0.04 m to link6 z = 1.006 m would put the center around z = 0.864 m, which seems sufficient. Six steps toward 1.04 m might bring link6 to about 1.03 m, while the left retreat would still be partial. For this action, I will use 6 control steps, retracting the open left arm to (-0.30, -0.32, 1.04) m with the downward quaternion. The right arm will keep its downward orientation and closed grasp, lifting vertically at x = 0.419 m, y = -0.074 m toward link6 z = 1.05 m before the later carrying rotation.

The right gripper’s opening command decreased to 0.314 during the lift; perhaps the toy compressed, but it still appears held. I estimate the toy’s center height at about z = 0.89 m, clear of the red basket rim, so transport appears safe. The left arm has only reached y = -0.125 m and still needs to move backward and finish turning downward to reach its parking pose. I will continue that motion while carrying the right-held toy toward the blue basket through the link6 waypoint (0.22, -0.14, 1.04) m in the intermediate carrying orientation. I will keep the right gripper closed and the left gripper open, allowing 10 control steps.

The right link6 is still at x = 0.353 m, having moved only 0.065 m leftward, and its orientation has not yet reached the intermediate carrying pose. The left arm is also still moving toward its parking pose, so both need more time to reach their targets. I will continue toward the same right link6 target of (0.22, -0.14, 1.04) m with the intermediate carrying orientation, and retain the left arm’s parking target of (-0.3, -0.32, 1.04) m. These motions are independent, so I will allow another 10 control steps for both arms.

The toy is still in front of the red basket and is moving left toward blue. I considered continuing for 10 control steps toward the previous right-arm waypoint at x = 0.22 m, then proceeding to the blue basket at x = 0 m. The left link6 is now at (-0.299, -0.281, 1.031) m in the downward orientation, close enough to its parking pose. I can hold its current pose with the gripper open rather than finish reaching the exact parking target. From the right link6’s measured position of (0.289, -0.113, 1.045) m, I estimate the distance to the blue-basket placement target of (0, -0.07, 0.98) m as 0.296 m, exceeding the 0.25 m command limit. Instead of first reaching the x = 0.22 m waypoint, I can skip ahead to (0.12, -0.10, 1.02) m, about 0.171 m away and within the limit. The current orientation is already close to the intermediate carrying orientation. I will use that orientation, keep the right gripper closed, and allow 10 control steps while holding the left arm stationary. Afterward, I can continue toward x = 0 m.

The held toy is between the blue and red baskets, at approximately x = 0.141 m. I need to move it about 0.12 m left toward x = 0 m and perhaps forward toward y = -0.07 m. I will target the right link6 at (0, -0.07, 0.98) m, retaining the intermediate carrying orientation and closed gripper. I estimate the target distance as 0.145 m. I will allow 8 control steps, then inspect the observation, while holding the left arm at its current pose.

The last toy is fully above the blue basket interior. With its center about 0.14 m along the gripper’s local X axis in the intermediate carrying orientation, I estimate its current environment-frame coordinates as y = 0.02 m and z = 0.89 m, inside the basket opening. I will open the right gripper for 3 control steps to release it while holding the left arm stationary.

The third wooden toy is now in the blue basket. Only the center watch, near image pixel (338, 288), remains on the table. The right arm will pick it and place it in the red basket while the left stays parked; afterward, I will reset both arms. There are 617 control steps remaining, which is plenty if the remaining work takes perhaps 80 steps. The right link6 is currently at (0.03, -0.079, 0.987) m, with an open gripper in the intermediate carrying orientation. The watch’s estimated center is at (0.0357, -0.2069, 0.766) m. I will move the right arm backward toward y = -0.207 m and rotate it downward above the watch. The estimated target distance is 0.13 m, which is within the command limit. The open fingers are currently over the blue basket interior. Although the link6 target height of 1.02 m is slightly higher, rotating downward should lower the fingertips from about z = 0.90 m to 0.86 m. They should remain above the watch, so the motion appears safe. I will target the right link6 at (0.036, -0.207, 1.02) m with the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order, keep the gripper open, and hold the left arm stationary for 10 control steps. Then I will refine the alignment using the wrist view and stereo observations.

The watch appears near the bottom of the right wrist image, at vertical pixel coordinate 470, because the gripper is not yet directly above it. The current right link6 Y coordinate is -0.151 m, while the watch’s target Y coordinate is -0.207 m, behind link6. Will moving backward to y = -0.207 m bring it farther into view? Perhaps the wrist camera is positioned ahead of link6. The gripper is not yet fully downward, and the watch’s position behind it seems consistent with its appearance at the bottom of the image. Once the downward orientation is complete and the gripper is aligned with the object in X and Y, the watch should be centered for grasping after descent. I will continue toward y = -0.207 m and link6 z = 1.0 m with the exact downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order, allowing 8 control steps.

The watch is centered near pixel (320, 180) in the right wrist view. I estimate its center height at z = 0.766 m and will use a link6 grasp height of 0.923 m. The right link6 is currently at z = 1.0 m. I plan to lower toward 0.94 m for 3 control steps, then toward 0.923 m for another 3 steps. I could triangulate the watch center using head-camera pixel (338, 288) and wrist-camera pixel (320, 180), but another stereo calculation seems unnecessary because the X and Y alignment agrees between the views. The right link6’s current X and Y coordinates, (0.036, -0.207) m, are close to the earlier watch estimate of (0.0357, -0.2069) m. I will begin with the 3-step descent toward link6 z = 0.94 m.

The watch’s center is near vertical pixel 230 in the right wrist view. I will lower the right link6 toward z = 0.923 m for 3 control steps. It may only reach about z = 0.93 m during this action and need another lowering action afterward.

The right link6 is at z = 0.93 m, and the watch’s center appears near vertical pixel 300 in the wrist view. The previous watch grasp used a link6 height of 0.923 m. The 0.007 m difference may be negligible enough to close now, but I will lower the gripper first. Two control steps might reach 0.923 m; I will allow 3 steps before closing.

I will close the right gripper for 3 control steps while keeping both arms stationary.

The right gripper’s opening command is 0.402, which I interpret as contact with the watch band. I will make a short vertical test lift for 3 control steps to check whether the watch follows the gripper.

The watch appears lifted in the head-camera view, hanging below the gripper near pixel (338, 289), although its pixel position was similar before the lift. Its position in the wrist view is stable, so I consider the grasp secure. I will transport it to the red basket. The right link6 is currently at (0.037, -0.208, 0.959) m in the downward orientation. I considered an intermediate carrying orientation with a target position of (0.28, -0.08, 0.96) m. Is that distance about 0.281 m? Using sqrt(0.243² + 0.128²), I estimate 0.275 m, exceeding the 0.25 m command limit. I will instead use the waypoint (0.20, -0.13, 1.0) m, which I estimate is 0.181 m away, then move to (0.28, -0.07, 0.96) m, about 0.11 m farther. The left arm will remain parked. Do I need a separate lift first? I estimate the watch center at z = 0.801 m, above the table. The possible nearby obstacle is the blue basket’s front rim near y = 0 m. The planned path moves approximately +0.16 m along X and +0.08 m along Y, and rotating to the intermediate carrying orientation will swing the watch upward and forward. I estimate its center near y = -0.03 m and z = 0.89 m at the end, above the blue and red front rims. This appears safe, so I will execute the waypoint and intermediate rotation for 10 control steps with the right gripper closed.

I will continue moving the right link6 toward (0.28, -0.07, 0.96) m with the intermediate carrying orientation. I estimate the target distance as 0.176 m and will allow 8 control steps. Then I plan to release the watch into the red basket.

The right link6 is at x = 0.167 m and y = -0.137 m. With the watch center about 0.157 m along local X in the intermediate carrying orientation, I estimate a +0.111 m offset along global Y, placing its center at y = -0.026 m, near the red basket’s front rim at y = -0.01 m. Its estimated x = 0.167 m may still be left of the red basket’s outer left edge at about x = 0.20 m. I estimate the basket spans x = 0.21–0.40 m, so the watch might be over the left rim or the gap beside the blue basket. I will continue toward the right-arm target at x = 0.28 m and y = -0.07 m, allowing another 8 control steps.

The last watch is fully above the red basket interior, with the other two watches below it. It may land on them, but I expect it to remain contained and stable. I will open the right gripper for 3 control steps to release it.

All eight objects appear visually sorted. Before using robot_reset, I need to move both arms into clear, open space with their grippers open. The left link6 is currently at (-0.299, -0.281, 1.031) m in the downward orientation and may already be clear above the table. The right link6 is at (0.272, -0.076, 0.962) m in the intermediate orientation, with its fingers in or near the red basket interior, so it needs to withdraw. Ideally, I would prepare both arms near their initial positions of (-0.3, -0.352, 0.922) m and (0.3, -0.352, 0.922) m, with the initial horizontal orientation and open grippers. I can instead retract them to high clearance near their starting X and Y coordinates, then call robot_reset with 50 steps. The reset may swing the fingers as the arms return from a high downward pose to the initial horizontal pose at z = 0.922 m, but I expect clearance above the empty front of the table. The handoff objects have been removed, so there should be no nearby obstacles along that return. For the clearance action, I will target the left link6 at (-0.30, -0.35, 1.05) m and the right link6 at (0.30, -0.30, 1.05) m, both with open grippers and the downward quaternion [0.5, -0.5, 0.5, 0.5] in wxyz order. I estimate target distances of 0.071 m for the left arm and 0.231 m for the right, within the 0.25 m limit. The left orientation change is zero, and the right change from the intermediate orientation is about 0.785 rad. The right arm will move backward and upward away from red, which appears safe. I will allow 10 control steps; the motion may remain partial, but it may provide enough clearance. I will inspect the resulting poses and basket contents, including whether the last watch remains stable, before resetting.

The right gripper is still near the red basket at link6 y = -0.133 m, but the wrist view shows all three watches resting stably inside. The left arm has reached its clearance pose, so I will hold it there and continue retracting only the right arm toward link6 position (0.30, -0.30, 1.05) m with the downward orientation and its gripper open. I considered allowing 8 control steps, which might bring the right link6 to about y = -0.25 m and z = 1.03 m, then using robot_reset. Could I reset now, with the right fingers perhaps just outside the front rim? The head view still places the right gripper near the basket’s front-right edge, so I should retract farther first. I will allow 10 control steps before proceeding with the reset.

The right gripper is now clear of the red basket, with link6 at y = -0.19 m and z = 1.002 m and an orientation close to downward. I considered another 6 control steps toward the clearance pose (0.3, -0.3, 1.05) m before resetting. The left arm is already clear. However, the current right fingertips are estimated at y = -0.19 m and z ≈ 0.87 m, about 0.18 m from the red basket’s front rim at y = -0.01 m, so I judge the return path safe from the current pose. The left link6 is at y = -0.35 m and z = 1.05 m, with downward fingertips at about z = 0.892 m over the empty table. Both arms have already been moved into clear space, so reaching the exact clearance targets is unnecessary. I will call robot_reset now to return both arms to their initial joint configurations, with all joints at zero. The left arm is near its starting position but is 0.128 m higher, and its downward orientation differs from the initial horizontal orientation by 90°. The right arm is at y = -0.19 m rather than the initial -0.352 m, a difference of about 0.16 m, and at z = 1.002 m rather than 0.922 m, with an orientation still close to downward. These differences justify allowing the maximum 50 control steps. The reset may finish earlier and could complete the episode successfully. The objects are released, their basket placements have been confirmed, and both grippers are open and clear, so I will proceed with the 50-step reset.

The episode has ended with native_success set to true. I will briefly report that both peppers are in the left basket, all three wooden toys are in the middle basket, and all three watches are in the right basket. The reset feedback reports reached_home as false because the episode terminated successfully during the return. I should therefore avoid claiming that the arms reached their exact initial configurations. I considered saying that the arm-return procedure finished, but that could imply more than the feedback confirms. Since the task includes an arm-return requirement and native success was reported, I will say that the episode ended successfully during the arm return. I will give the final response without further tool calls.