Publish Main-B components and GT endpoints main_b_components_endpoints_v1_seed20260731_20260801

Add exact replay-time stems and deterministic GT-known endpoints. Candidate remains gated on codex4 independent audit.

.gitattributes

@@ -1,2 +1,3 @@
 powersound_test_data.tar filter=lfs diff=lfs merge=lfs -text
 main_b/main_b_no_t_900_seed20260731_20260731_1448.tar filter=lfs diff=lfs merge=lfs -text
+main_b_components/main_b_components_endpoints_v1_seed20260731_20260801.tar filter=lfs diff=lfs merge=lfs -text

main_b_components/main_b_components_endpoints_v1_seed20260731_20260801.tar

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3aff70eedaa26179000383af225f016465c99febfb25c1224dd2e40fa297a8f0
+size 2370170880

main_b_components/main_b_components_endpoints_v1_seed20260731_20260801/HF_RELEASE_MANIFEST.json

@@ -0,0 +1,17 @@
+{
+  "archive_sha256": "3aff70eedaa26179000383af225f016465c99febfb25c1224dd2e40fa297a8f0",
+  "archive_size_bytes": 2370170880,
+  "build_id": "main_b_components_endpoints_v1_seed20260731_20260801",
+  "cases": 5250,
+  "component_wavs": 2100,
+  "endpoint_wavs": 5250,
+  "files_manifest_sha256": "87c57cc8523c647fa015ce40b91d04f9c45b7cb8342b2e689e9c31dd721c1e96",
+  "generated_at": "2026-08-01T15:44:18+08:00",
+  "manifest_rows": 7371,
+  "pairs": 900,
+  "remote_archive": "main_b_components/main_b_components_endpoints_v1_seed20260731_20260801.tar",
+  "repo_id": "FYQ12138/powersound_eval",
+  "repo_type": "dataset",
+  "schema": "main_b_components_gt_endpoints_hf_manifest_v1",
+  "status": "candidate_pending_codex4_independent_audit"
+}