{"episode_index": 21, "decision_frame": 0, "subtask": "Pick up both T-blocks.", "updated_memory": "holding: arms reaching down; neither T-block clamped or lifted.", "is_keyframe": true, "caption": "both T-block poses before the swap", "rag_query": ""}
{"episode_index": 21, "decision_frame": 25, "subtask": "Pick up both T-blocks.", "updated_memory": "holding: grippers positioning above both T-blocks.", "is_keyframe": false, "caption": "", "rag_query": ""}
{"episode_index": 21, "decision_frame": 50, "subtask": "Pick up both T-blocks.", "updated_memory": "holding: grippers grasping both T-blocks, still on table.", "is_keyframe": false, "caption": "", "rag_query": ""}
{"episode_index": 21, "decision_frame": 75, "subtask": "Pick up both T-blocks.", "updated_memory": "holding: grippers clamping both T-blocks, beginning lift.", "is_keyframe": false, "caption": "", "rag_query": ""}
{"episode_index": 21, "decision_frame": 100, "subtask": "Pick up both T-blocks.", "updated_memory": "advance evidence: both T-blocks clamped in grippers and visibly risen off table.", "is_keyframe": false, "caption": "", "rag_query": ""}
{"episode_index": 21, "decision_frame": 125, "subtask": "Place the red T-block at the right, tilted to the left.", "updated_memory": "holding: left gripper carrying red T-block towards right.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 150, "subtask": "Place the red T-block at the right, tilted to the left.", "updated_memory": "holding: left gripper positioning red T-block at right location.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 175, "subtask": "Place the red T-block at the right, tilted to the left.", "updated_memory": "holding: left gripper aligning red T-block onto table at right.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 200, "subtask": "Place the red T-block at the right, tilted to the left.", "updated_memory": "holding: left gripper touching red T-block down onto table, jaws not yet open/risen.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 225, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "advance evidence: red T-block rests on table at right; left gripper open and risen clear.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 250, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "holding: right gripper carrying blue T-block towards left location.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 275, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "holding: right gripper aligning blue T-block at left location.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 300, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "holding: right gripper setting blue T-block down at left.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 325, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "advance evidence: blue T-block rests on table at left; right gripper open and risen clear.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}
{"episode_index": 21, "decision_frame": 350, "subtask": "Place the blue T-block at the left, upright.", "updated_memory": "advance evidence: both blocks placed in swapped poses; arms withdrawn.", "is_keyframe": false, "caption": "", "rag_query": "both T-block poses before the swap"}