Guard retracted auxiliary artifacts from folder upload

.hfignore

@@ -0,0 +1,5 @@
+# shared-state 정정 후 철회된 연구 artifact는 폴더 업로드에서도 복원하지 않는다.
+models/auxiliary/boundary_auxiliary_head.pt
+models/auxiliary/seed17/boundary_joint_delta.pt
+models/auxiliary/seed31/boundary_joint_delta.pt
+models/auxiliary/seed47/boundary_joint_delta.pt

MANIFEST.json

@@ -1,6 +1,6 @@
 {
     "schema":  "aiflow-hf-research-snapshot-v12",
-    "generated_at":  "2026-07-23T20:44:12.9224189Z",
+    "generated_at":  "2026-07-23T20:45:14.3432023Z",
     "track":  "R_noncommercial_plus_rejected_P_proxy",
     "product_validation":  false,
     "public_release":  true,
@@ -13,6 +13,11 @@
                             "models/auxiliary/seed47/boundary_joint_delta.pt"
                         ],
     "files":  [
+                  {
+                      "path":  ".hfignore",
+                      "bytes":  293,
+                      "sha256":  "70aa1f68c49ffc3149181137ada5cf43c419ca0fdb0f9c3094f25dc011cbc4e2"
+                  },
                   {
                       "path":  "artifacts/boundary_behavior_guard.joblib",
                       "bytes":  824191,