Add release checksums, schema and validation report

manifests/release_validation.json

@@ -0,0 +1,20 @@
+{
+  "instances_checked": 1349,
+  "demos_checked": 40470,
+  "steps_checked": 8258504,
+  "checks": [
+    "HDF5 readable",
+    "30 demos per instance",
+    "action and image shapes",
+    "reward/done lengths",
+    "success attribute",
+    "metadata step totals",
+    "source archive SHA256",
+    "extracted file SHA256"
+  ],
+  "limitations": [
+    "Does not replay physics",
+    "Does not decode every image/video",
+    "Does not recompute global trajectory uniqueness"
+  ]
+}

manifests/schema_example.json

@@ -0,0 +1,69 @@
+{
+  "source_metadata": {
+    "action_schema": {
+      "action_repeat": 1,
+      "control_freq": 20,
+      "control_mode": "relative",
+      "controller": "OSC_POSE",
+      "dtype": "float32",
+      "gripper_semantics": "negative_open_positive_close_zero_hold",
+      "high": [
+        1.0,
+        1.0,
+        1.0,
+        1.0,
+        1.0,
+        1.0,
+        1.0
+      ],
+      "low": [
+        -1.0,
+        -1.0,
+        -1.0,
+        -1.0,
+        -1.0,
+        -1.0,
+        -1.0
+      ],
+      "rotation_frame": "world",
+      "rotation_representation": "axis_angle",
+      "shape": [
+        7
+      ],
+      "translation_frame": "world",
+      "version": "libero_action_v1"
+    },
+    "closed_at_utc": "2026-09-13T16:11:32.548891+00:00",
+    "control_mode": "relative",
+    "created_at_utc": "2026-09-13T16:11:24.470374+00:00",
+    "grasp_candidate": [
+      -0.12,
+      -0.24
+    ],
+    "init_state_id": 0,
+    "instruction": "pick the alphabet soup and place it in the basket",
+    "max_steps": 280,
+    "observation_schema_version": "libero_standard_v1",
+    "policy": {
+      "agent_name": "scripted_generator",
+      "agent_version": "0.1.0",
+      "control_mode": "relative",
+      "maximum_inference_seconds": 120.0,
+      "protocol_version": "1.0",
+      "required_cameras": [
+        "agentview",
+        "robot0_eye_in_hand"
+      ],
+      "required_observation_fields": [
+        "robot0_eef_pos",
+        "robot0_eef_quat_xyzw",
+        "robot0_gripper_qpos"
+      ]
+    },
+    "seed": 42,
+    "suite": "libero_object",
+    "task_id": 0,
+    "total_demos": 1,
+    "variant": "base"
+  }
+}