初始化项目，由ModelHub XC社区提供模型

Model: saketh-chervu/rvr-lettersort-intermediate-correct
Source: Original Platform

eval_data/meta.json

@@ -0,0 +1,30 @@
+{
+  "exp": "exp33",
+  "domain": "lettersort",
+  "variant": "intermediate",
+  "seed": 0,
+  "inner_op": "sort5",
+  "outer_op": "aftermid",
+  "fn_chain": "aftermid|sort5",
+  "inter_kind": "string",
+  "counts": {
+    "atomic.jsonl": 800,
+    "atomic_eval.jsonl": 200,
+    "compose_train_0.jsonl": 1500,
+    "seen_eval.jsonl": 200,
+    "heldout_eval.jsonl": 200,
+    "probe_pool.jsonl": 400
+  },
+  "n_atom_g": 400,
+  "n_atom_f": 400,
+  "disjoint_train_seen": true,
+  "disjoint_train_heldout": true,
+  "disjoint_seen_heldout": true,
+  "train_top_answer_share": 0.086,
+  "train_distinct_answers": 22,
+  "probe_roles": {
+    "train": 200,
+    "heldout": 200
+  },
+  "f_atom_dedupe": true
+}