Add partial US Code LLM-router Groth16 logic proofs

Add first 150 CID-addressed U.S. Code sections converted with llm_router from statute text and metadata, with KG/BM25 context and Groth16 verification. This is a partial staging export and does not replace the deterministic full scaffold artifact.

uscode_parquet/logic_proofs_llm_router_groth16_partial_000000_000150/laws_logic_proof_artifacts.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a14abc45eddd734a3613023202dd4ce0e6fd9914994bc4a00a062cd162afe34
+size 1605937

uscode_parquet/logic_proofs_llm_router_groth16_partial_000000_000150/manifest.json

@@ -0,0 +1,45 @@
+{
+  "schema_version": "uscode-logic-proof-artifacts-v1",
+  "artifact_kind": "partial_llm_router_groth16_sharded_export",
+  "row_range": "0:150",
+  "source_row_count": 150,
+  "artifact_row_count": 150,
+  "failure_count": 0,
+  "shards": [
+    {
+      "path": "workspace/ipfs_uscode_logic_proofs_llm_router_groth16_shard_000000_000025",
+      "status": "complete",
+      "rows": 25,
+      "failures": 0
+    },
+    {
+      "path": "workspace/ipfs_uscode_logic_proofs_llm_router_groth16_shard_000025_000125",
+      "status": "complete",
+      "rows": 100,
+      "failures": 0
+    },
+    {
+      "path": "workspace/ipfs_uscode_logic_proofs_llm_router_groth16_shard_000125_000150",
+      "status": "complete",
+      "rows": 25,
+      "failures": 0
+    }
+  ],
+  "logic_source": "llm_router",
+  "require_llm": true,
+  "llm_models": {
+    "gpt-5.3-codex-spark": 124,
+    "gpt-5.3-codex": 26
+  },
+  "logic_generation_methods": {
+    "llm_router": 150
+  },
+  "zkp_backend": {
+    "groth16": 150
+  },
+  "zkp_verified_count": 150,
+  "ontology_version": {
+    "uscode-logic-ontology-v1": 150
+  },
+  "created_at": "2026-04-26T23:37:43.714135+00:00"
+}