diff --git a/app/workers/deep_summary_worker.py b/app/workers/deep_summary_worker.py
index c644609..5eddc4b 100644
--- a/app/workers/deep_summary_worker.py
+++ b/app/workers/deep_summary_worker.py
@@ -18,7 +18,9 @@ from pydantic import BaseModel, Field, ValidationError
 from sqlalchemy import desc, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from ai.client import AIClient, parse_json_response
+import json
+import re
+from ai.client import AIClient, parse_json_response, strip_thinking
 from ai.envelope import EscalationEnvelope
 from core.config import settings
 from core.utils import setup_logger
@@ -117,7 +119,9 @@ async def process(document_id: int, session: AsyncSession) -> None:
 
     if raw:
         try:
-            parsed = parse_json_response(raw) or {}
+            # parse_json_response 는 중첩 JSON (entities_confirmed) 을 최외곽으로 오인하는
+            # 케이스가 있어 — deep_summary 응답에서 자주 발생 — 최외곽 추출 전용 helper 사용.
+            parsed = _parse_outermost_json(raw) or parse_json_response(raw) or {}
             deep_out = DeepSummaryOutput.model_validate(parsed)
         except (ValidationError, ValueError, TypeError) as exc:
             parse_error = f"parse:{type(exc).__name__}"
@@ -190,6 +194,60 @@ def _build_text_slices(text: str, pointers: dict) -> str:
     return "\n\n".join(parts)
 
 
+def _parse_outermost_json(raw: str) -> dict | None:
+    """Response 의 첫 '{' 부터 brace balance 로 최외곽 JSON 추출.
+
+    parse_json_response 의 re.finditer 패턴이 1단계 중첩까지만 매치해서 deep_summary
+    응답처럼 `entities_confirmed: {...}` 2단계 중첩이 포함된 경우 최외곽 대신 내부
+    객체만 반환되는 문제를 우회. 또한 응답이 잘려 closure `}` 가 없으면 강제로
+    `}` 추가 시도하여 부분 파싱.
+    """
+    cleaned = strip_thinking(raw)
+    code_match = re.search(r"```(?:json)?\s*(\{.*)", cleaned, re.DOTALL)
+    if code_match:
+        cleaned = code_match.group(1)
+    start = cleaned.find("{")
+    if start < 0:
+        return None
+    depth = 0
+    end = -1
+    in_str = False
+    esc = False
+    for i in range(start, len(cleaned)):
+        ch = cleaned[i]
+        if esc:
+            esc = False
+            continue
+        if ch == "\\":
+            esc = True
+            continue
+        if ch == '"':
+            in_str = not in_str
+            continue
+        if in_str:
+            continue
+        if ch == "{":
+            depth += 1
+        elif ch == "}":
+            depth -= 1
+            if depth == 0:
+                end = i + 1
+                break
+    if end > 0:
+        try:
+            return json.loads(cleaned[start:end])
+        except json.JSONDecodeError:
+            pass
+    # 응답 잘림 — 남은 depth 만큼 `}` 보강 후 재시도
+    if depth > 0:
+        candidate = cleaned[start:].rstrip().rstrip(",") + ("}" * depth)
+        try:
+            return json.loads(candidate)
+        except json.JSONDecodeError:
+            pass
+    return None
+
+
 def _filter_inconsistencies(items: list) -> list[dict]:
     """허용 kind 목록 (safety/news 도메인 한정) 만 통과시킨다.