diff --git a/app/api/search.py b/app/api/search.py
index 65a415d..2cd43ed 100644
--- a/app/api/search.py
+++ b/app/api/search.py
@@ -33,6 +33,7 @@ from services.search.grounding_check import check as grounding_check
 from services.search.refusal_gate import RefusalDecision, decide as refusal_decide
 from services.search import query_rewriter
 from services.search.retrieval_service import AxisFilter
+from services.search.result_decorate import compute_facets, decorate_version_status
 from services.search.search_pipeline import PipelineResult, run_search
 from services.search.synthesis_service import SynthesisResult, synthesize
 from services.search.verifier_service import VerifierResult, verify
@@ -77,6 +78,9 @@ class SearchResult(BaseModel):
     material_type: str | None = None
     jurisdiction: str | None = None
     published_date: date | None = None
+    # 안전 자료실 C-1 후속: 법령 버전 상태(legal_meta.version_status) — wrapper 1회 decorate.
+    # law 결과만 채워짐(legal_meta 위성), 그 외/무매핑 law = None. D-1 버전 뱃지 선행.
+    version_status: str | None = None
 
 
 # ─── Phase 0.4: 디버그 응답 스키마 ─────────────────────────
@@ -108,6 +112,9 @@ class SearchResponse(BaseModel):
     query: str
     mode: str
     debug: SearchDebug | None = None
+    # 안전 자료실 C-1 후속: facets=true 일 때만 채워짐(미요청=None, byte 불변).
+    # top-K 결과 내 분류 축 분포 라벨 {axis: {label: count}}.
+    facets: dict[str, dict[str, int]] | None = None
 
 
 def _to_debug_candidates(rows: list[SearchResult], n: int = 20) -> list[DebugCandidate]:
@@ -218,6 +225,7 @@ async def search(
         None, description="안전 자료실 C-1: 관할 필터 (KR/US/EU/JP/GB/INT)"),
     year_from: int | None = Query(None, ge=1900, le=2100, description="published_date 연도 하한 (NULL=created_at fallback)"),
     year_to: int | None = Query(None, ge=1900, le=2100, description="published_date 연도 상한"),
+    facets: bool = Query(False, description="안전 자료실 C-1 후속: top-K 결과 분류 축 분포(material_type/jurisdiction/version_status)를 응답 facets 에 집계. 미지정=계산/노출 0"),
 ):
     """문서 검색 — FTS + ILIKE + 벡터 결합 (Phase 3.1 이후 run_search wrapper)"""
     try:
@@ -334,12 +342,17 @@ async def search(
 
     debug_obj = _build_search_debug(pr) if debug else None
 
+    # 안전 자료실 C-1 후속 — wrapper decoration (검색 코어 무접촉, ranking 무관)
+    await decorate_version_status(session, pr.results)   # 법령 결과에 version_status
+    facets_obj = compute_facets(pr.results) if facets else None
+
     return SearchResponse(
         results=pr.results,
         total=len(pr.results),
         query=q,
         mode=pr.mode,
         debug=debug_obj,
+        facets=facets_obj,
     )
 
 
diff --git a/app/services/search/result_decorate.py b/app/services/search/result_decorate.py
new file mode 100644
index 0000000..bbb07fb
--- /dev/null
+++ b/app/services/search/result_decorate.py
@@ -0,0 +1,55 @@
+"""안전 자료실 C-1 후속 — 검색 결과 wrapper decoration (version_status + facets).
+
+엔드포인트 wrapper 에서 run_search() 결과에 1회 적용 — 검색 코어(run_search) 무접촉(r3).
+- version_status: 법령 결과(material_type='law')에 legal_meta.version_status
+  (current/superseded/pending/repealed) 부착. legal_meta.document_id 1:0..1 위성 →
+  매핑 없는 law(레거시 등)는 None 유지. law 결과 없으면 query skip.
+- facets: top-K 결과 내 분류 축(material_type/jurisdiction/version_status) 분포 라벨(r2-M4).
+  facets=true 일 때만 계산(미요청 시 None = byte 불변·ranking 무관).
+"""
+
+from __future__ import annotations
+
+from collections import Counter
+from typing import TYPE_CHECKING
+
+from sqlalchemy import text
+from sqlalchemy.ext.asyncio import AsyncSession
+
+if TYPE_CHECKING:
+    from api.search import SearchResult
+
+
+async def decorate_version_status(
+    session: AsyncSession, results: list["SearchResult"]
+) -> None:
+    """법령 결과에 legal_meta.version_status 부착 (in-place). law 결과 없으면 query skip."""
+    law_ids = [r.id for r in results if r.material_type == "law" and r.id is not None]
+    if not law_ids:
+        return
+    rows = await session.execute(
+        text(
+            "SELECT document_id, version_status FROM legal_meta "
+            "WHERE document_id = ANY(:ids)"
+        ),
+        {"ids": law_ids},
+    )
+    status_by_id = {row.document_id: row.version_status for row in rows}
+    for r in results:
+        if r.id in status_by_id:
+            r.version_status = status_by_id[r.id]
+
+
+def compute_facets(results: list["SearchResult"]) -> dict[str, dict[str, int]]:
+    """top-K 결과의 분류 축 분포 라벨. None 값은 제외(present 라벨만, 빈 축은 미포함)."""
+    axes = {
+        "material_type": [r.material_type for r in results],
+        "jurisdiction": [r.jurisdiction for r in results],
+        "version_status": [getattr(r, "version_status", None) for r in results],
+    }
+    facets: dict[str, dict[str, int]] = {}
+    for axis, vals in axes.items():
+        counter = Counter(v for v in vals if v is not None)
+        if counter:
+            facets[axis] = dict(counter.most_common())
+    return facets
diff --git a/tests/test_c1_decorate.py b/tests/test_c1_decorate.py
new file mode 100644
index 0000000..905040b
--- /dev/null
+++ b/tests/test_c1_decorate.py
@@ -0,0 +1,57 @@
+"""C-1 후속 — facets 집계 + version_status decorate 순수 로직 테스트.
+
+version_status 의 실제 legal_meta 조회는 GPU 라이브(법령 검색)로 검증 — 여기선 facets 분포
+계약 + decorate 의 law 무결과 skip 경로(DB 미접촉)만.
+"""
+
+import asyncio
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).parent.parent / "app"))
+
+from services.search.result_decorate import (  # noqa: E402
+    compute_facets,
+    decorate_version_status,
+)
+
+
+class _R:
+    """SearchResult 흉내 — 분류 축 속성만."""
+
+    def __init__(self, material_type=None, jurisdiction=None, version_status=None, id=1):
+        self.material_type = material_type
+        self.jurisdiction = jurisdiction
+        self.version_status = version_status
+        self.id = id
+
+
+def test_compute_facets_distribution():
+    results = [
+        _R("law", "KR", "current"),
+        _R("law", "KR", "superseded"),
+        _R("incident", "KR", None),
+        _R("paper", None, None),
+    ]
+    f = compute_facets(results)
+    assert f["material_type"] == {"law": 2, "incident": 1, "paper": 1}
+    assert f["jurisdiction"] == {"KR": 3}                  # paper jurisdiction None 제외
+    assert f["version_status"] == {"current": 1, "superseded": 1}  # None 제외
+
+
+def test_compute_facets_empty_and_all_none():
+    assert compute_facets([]) == {}
+    assert compute_facets([_R(), _R()]) == {}              # 모든 축 None → 빈 축 미포함
+
+
+def test_compute_facets_excludes_empty_axes():
+    f = compute_facets([_R(jurisdiction="US"), _R(jurisdiction="EU")])
+    assert f == {"jurisdiction": {"US": 1, "EU": 1}}
+    assert "material_type" not in f
+
+
+def test_decorate_version_status_skips_without_law():
+    # law 결과 없으면 legal_meta 조회 skip → session 미사용(None 으로도 무오류)
+    results = [_R("incident", "KR"), _R("paper")]
+    asyncio.run(decorate_version_status(None, results))
+    assert all(r.version_status is None for r in results)