Add SpecFormer dataset manifest

manifest.json

@@ -0,0 +1,76 @@
+{
+  "dataset_name": "SpecFormer",
+  "dataset_version": "SpecFormer_v2",
+  "profile_name": "full",
+  "seed": 20260512005404,
+  "source_dataset_ids": [
+    "src_00_full"
+  ],
+  "prepared_sample_count": 11000000,
+  "shard_size": 10000,
+  "n_shards": 1101,
+  "target_field_order": [
+    "vis_R",
+    "vis_T",
+    "nir_R",
+    "nir_T",
+    "ir_E_normal"
+  ],
+  "target_field_length": 774,
+  "prepared_split_ratios": {
+    "train": 0.9090909090909091,
+    "test": 0.045454545454545456,
+    "val": 0.045454545454545456
+  },
+  "condition_modes": [
+    "full_condition",
+    "vis_only",
+    "nir_only",
+    "ir_only",
+    "vis_nir",
+    "vis_ir",
+    "nir_ir",
+    "custom_channel_subset"
+  ],
+  "weak_unspecified_constraints": false,
+  "record_format": "compact_jsonl_gz_plus_target_uint16_x1000",
+  "split_stats": {
+    "train_count": 10000000,
+    "val_count": 500000,
+    "test_count": 500000,
+    "hard_test_count": 40,
+    "ood_test_count": 40,
+    "n_strata": 160,
+    "split_format": "npz_refs_plus_txt_ids"
+  },
+  "resume": true,
+  "attempt_count": 25920607,
+  "balance_skip_count": 3201656,
+  "num_workers": 20,
+  "max_inflight_tasks": 80,
+  "worker_batch_size": 16,
+  "report_interval_sec": 20.0,
+  "targets": {
+    "total_samples": 11000000,
+    "train": 10000000,
+    "val": 500000,
+    "test": 500000,
+    "hard_test": 40,
+    "ood_test": 40
+  },
+  "switches": {
+    "allow_adjacent_same_material": false,
+    "max_metal_layers": 2,
+    "allow_top_metal": true,
+    "allow_bottom_metal": true,
+    "require_spacer_in_cavity": true,
+    "require_ir_active_in_thermal": true,
+    "enforce_role_first_sampling": true,
+    "enable_distribution_balancing": true,
+    "enable_deduplication": true,
+    "enable_degenerate_sample_rejection": true,
+    "layer_bucket_balancing": true
+  },
+  "published_format": "hf_parquet_uint16_target_plus_padded_meta_v1",
+  "local_path_fields_removed": true
+}