diff --git a/E03_StabSection/E03_StabSection_Router.py b/E03_StabSection/E03_StabSection_Router.py
index 7828b9e71..d7da920a5 100644
--- a/E03_StabSection/E03_StabSection_Router.py
+++ b/E03_StabSection/E03_StabSection_Router.py
@@ -2,7 +2,7 @@
 
 - `POST /api/projects/{id}/stab/analyze2d` — 전 측점 해석(뒤에서 · 바뀐 측점만) · 같은 지문 = 안 셈
 - `GET …/stab/progress` — 진행률
-- `GET …/stab/result2d` — 요약 + 측점 목록(판정 · 대표 단면 · 벽 수) + 횡단 없는 측점
+- `GET …/stab/result2d` — 요약 + 측점 목록(판정 · 대표 단면 · 벽 수 · 지배 비탈) + 횡단 없는 측점
 - `GET …/stab/section/{station_key}` — 그 측점 지층 폴리곤 · 지하수선 · 임계면 · 후보 · 절편 · 격자
 - `PUT …/stab/representative` — 대표 단면 켬/끔 → 작업본 `E03_StabSection/representative.json`
 - `GET …/stab/corridor3d` — 복사본 노선면(1 m 솎음 · 3D 색칠 보기용)
@@ -64,8 +64,6 @@ PROJECT_ROOT = Path(__file__).resolve().parents[1]
 KIND_STATION = worker.KIND_STATION
 KIND_SUMMARY = "stab2d_summary"
 REPRESENTATIVE = Path("E03_StabSection") / "representative.json"
-#: E05 보고서가 읽는 꼴(`E05_StabReport_Build` · result2d.json · results/<측점>.json)
-REPORT_DIR = Path("E03_StabSection") / "_derived"
 ENGINE_FILES = (
     "E03_StabSection_Types.py",
     "E03_StabSection_Engine_Model.py",
@@ -280,38 +278,9 @@ def run_all(root: Path, plan: dict[str, Any], report: Any) -> int:
         "stations": rows,
     }
     write_derived(root, KIND_SUMMARY, plan["fp"], summary)
-    export_report(root, summary)
     return len(todo)
 
 
-def export_report(root: Path, summary: dict[str, Any]) -> None:
-    """E05 보고서 입력 — 요약(측점 줄) · 대표 단면 측점 해석 결과 · representative.json `stations`
-    (E03 은 `overrides` 만 읽음). [해석] 끝 · [대표 단면 저장] 때 씀."""
-    rows = [dict(r) for r in summary["stations"]]
-    overrides = _overrides(root)
-    view.mark_representative(rows, overrides)
-    folder = root / REPORT_DIR
-    atomic_write_json(
-        folder / "result2d.json",
-        {
-            "input_fingerprint": summary["fingerprint"],
-            "computed_at": summary["computed_at"],
-            "conditions": summary["conditions"],
-            "stations": [view.report_row(r) for r in rows],
-        },
-    )
-    reps = view.report_representatives(rows)
-    results = folder / "results"
-    for old in results.glob("*.json"):
-        old.unlink()
-    by_key = {r["key"]: r for r in rows}
-    for rep in reps:
-        saved = read_derived(root, KIND_STATION, by_key[rep["station_key"]]["fp"])
-        if saved and saved["value"]["out"]:
-            atomic_write_json(results / f"{rep['station_key']}.json", saved["value"]["out"])
-    atomic_write_json(root / REPRESENTATIVE, {"overrides": overrides, "stations": reps})
-
-
 def _latest_summary(root: Path, fp: str) -> tuple[dict[str, Any] | None, bool]:
     """(요약, 지금 입력과 같은지) — 같은 지문이 없으면 가장 최근 것(옛 결과)."""
     saved = read_derived(root, KIND_SUMMARY, fp)
@@ -392,6 +361,7 @@ async def result2d(
     if not summary:
         rows = [view.station_row(_meta(item, {}), None, plan["factors"]) for item in plan["items"]]
         view.mark_representative(rows, _overrides(root))
+        rows = [{**r, **view.governing_row(r)} for r in rows]
         return {
             "status": "none",
             "fresh": False,
@@ -404,6 +374,7 @@ async def result2d(
         }
     rows = summary["stations"]
     view.mark_representative(rows, _overrides(root))
+    rows = [{**r, **view.governing_row(r)} for r in rows]
     return {
         "status": "ok",
         "fresh": fresh,
@@ -455,16 +426,12 @@ async def section(project_id: UUID, station_key: str) -> dict[str, Any]:
 async def put_representative(project_id: UUID, payload: RepresentativeRequest) -> dict[str, Any]:
     """대표 단면 켬/끔(None = 자동) — 아는 측점 열쇠만."""
     root, _ = await e02._project(project_id)
-    plan = plan_run(root, _ground(root))
-    known = {item["key"] for item in plan["items"]}
+    known = {item["key"] for item in plan_run(root, _ground(root))["items"]}
     unknown = sorted(set(payload.overrides) - known)
     if unknown:
         raise HTTPException(status_code=422, detail=f"모르는 측점: {unknown[:5]}")
     overrides = {k: v for k, v in sorted(payload.overrides.items()) if v is not None}
     atomic_write_json(root / REPRESENTATIVE, {"overrides": overrides})
-    summary, _ = _latest_summary(root, plan["fp"])
-    if summary:
-        export_report(root, summary)
     return {"overrides": overrides}
 
 
diff --git a/E03_StabSection/E03_StabSection_View.py b/E03_StabSection/E03_StabSection_View.py
index df766049d..6e94d152e 100644
--- a/E03_StabSection/E03_StabSection_View.py
+++ b/E03_StabSection/E03_StabSection_View.py
@@ -130,44 +130,36 @@ def mark_representative(rows: list[dict[str, Any]], overrides: dict[str, bool])
         }
 
 
-#: 대표 단면 까닭 → E05 보고서 열쇠(`E05_StabReport_Build.REASONS`)
-REPORT_REASONS = {"fill_height": "fill_10m", "cut_height": "cut_15m", "lowest": "lowest_fs"}
-
-
-def report_row(row: dict[str, Any]) -> dict[str, Any]:
-    """E05 보고서가 읽는 측점 줄 — 지배 비탈(전 조건 최소 안전율 쪽) 역할 · 조건별 최소 · 판정."""
-    worst = None
-    for by_side in row["cases"].values():
-        for side, value in by_side.items():
-            if value["fs"] is not None and (worst is None or value["fs"] < worst[0]):
-                worst = (value["fs"], side)
-    roles = {s["side"]: s["role"] for s in row["sides"]}
-    values = [v for v in row["min"].values() if v is not None]
+def governing_row(row: dict[str, Any]) -> dict[str, Any]:
+    """측점 줄 덧칸(E04 · E05 같은 규칙) — 지배 = 조건 × 비탈 중 기준 대비 가장 낮은 것(fs / 기준) ·
+    fs_min = 그 fs · 조건별 안전율 = 그 비탈 · 판정 = 조건 하나라도 N.G 면 ng."""
+    roles = {s["side"]: s["role"] for s in row.get("sides") or []}
+    cases = row.get("cases") or {}
+    worst = min(
+        (
+            (c["fs"] / c["required"], side, c["fs"])
+            for sides in cases.values()
+            for side, c in sides.items()
+            if c.get("fs") is not None and c.get("required")
+        ),
+        default=None,
+    )
+    side = worst[1] if worst else None
+    verdicts = set((row.get("verdict") or {}).values())
+    values = [v for v in (row.get("min") or {}).values() if v is not None]  # 기준 없을 때
     return {
         "station_key": row["key"],
         "chainage_m": row["chainage_m"],
-        "label": row.get("label"),
-        "side": roles.get(worst[1]) if worst else None,
-        "fs_min": min(values) if values else None,
-        "fs_by_condition": dict(row["min"]),
+        "side": roles.get(side),
+        "fs_min": worst[2] if worst else min(values, default=None),
+        "fs_by_condition": {
+            cond: sides[side]["fs"] for cond, sides in cases.items() if side in sides
+        },
         "method": PRIMARY,
-        "verdict": overall_verdict(row),
-        "walls": row.get("walls") or 0,
+        "verdict_overall": "ng" if "ng" in verdicts else "ok" if verdicts == {"ok"} else None,
     }
 
 
-def report_representatives(rows: list[dict[str, Any]]) -> list[dict[str, Any]]:
-    """E05 대표 단면 목록(켠 것만) — `mark_representative` 뒤 행."""
-    out = []
-    for row in rows:
-        rep = row.get("representative") or {}
-        if rep.get("on"):
-            auto = rep.get("auto") or []
-            reason = "user" if rep.get("user") or not auto else REPORT_REASONS.get(auto[0], auto[0])
-            out.append({"station_key": row["key"], "reason": reason, "enabled": True})
-    return out
-
-
 def summarize(rows: list[dict[str, Any]], conditions: list[str]) -> dict[str, Any]:
     """머리 요약 — 조건별 최소 안전율 · N.G 측점 수."""
     out: dict[str, Any] = {"stations": len(rows), "errors": sum(1 for r in rows if r["error"])}
diff --git a/resources/tester/test_532_5_e03_seam.py b/resources/tester/test_532_5_e03_seam.py
index 9c2bcaa08..4dd5b86f2 100644
--- a/resources/tester/test_532_5_e03_seam.py
+++ b/resources/tester/test_532_5_e03_seam.py
@@ -5,6 +5,8 @@
   측점 보기에 벽 폴리곤 · 목록 벽 수 · 벽 있는 측점만 지문이 바뀜
 - 지하수: E02 우기 갈래를 바꾸면 측점 지문이 바뀜 · 측점 보기 수위선 = 고른 갈래
 - 빠진 횡단: 횡단 파일이 없으면 result2d · stab/ground 의 missing_stations 에 그 측점
+- E05 이음매: E05 가 E03 정본만 읽음(사본 없음) · 측점 수 · N.G 수 · 지배 비탈이 E03 과 같음
+- result2d 덧칸: 지배 비탈 = fs / 기준 가장 낮은 쪽(깎기 1.22/1.2 · 쌓기 1.25/1.3 → 쌓기 · N.G)
 
     ./venv/Scripts/python.exe -m pytest resources/tester/test_532_5_e03_seam.py -q
 """
@@ -32,6 +34,7 @@ from E01_StabRegister import E01_StabRegister_Source as src  # noqa: E402
 from E02_StabGround import E02_StabGround_Model as ground_model  # noqa: E402
 from E02_StabGround import E02_StabGround_Router as e02  # noqa: E402
 from E03_StabSection import E03_StabSection_Router as router  # noqa: E402
+from E03_StabSection import E03_StabSection_View as view  # noqa: E402
 from E03_StabSection import E03_StabSection_Worker as worker  # noqa: E402
 from E03_StabSection.E03_StabSection_Engine_Station import analyze_station  # noqa: E402
 
@@ -190,27 +193,71 @@ def test_빠진_횡단_목록(project):
     assert asyncio.run(router.result2d(UUID(PID), USER))["missing_stations"] == []
 
 
-def test_E05_가_E03_저장본으로_보고서(project):
-    """E03 [해석] 이 쓴 E05 꼴(result2d.json · results/ · representative stations)로 E05 가 돎."""
+def test_E05_가_E03_정본으로_보고서(project):
+    """E03 [해석] 정본(stab2d_summary · stab2d_station)으로 E05 가 돎 — 사본 안 씀 · 수가 같음."""
     from E05_StabReport import E05_StabReport_Build as build
 
     _analyze()
+    assert not (project / "E03_StabSection" / "_derived").exists()  # 옛 사본 꼴 없음
+    body = asyncio.run(router.result2d(UUID(PID), USER))
     inputs = build.gather(project)
     rows = inputs["result2d"]["stations"]
-    assert len(rows) == 2 and WALL_KEY in {r["station_key"] for r in rows}
+    assert len(rows) == len(body["stations"]) == 2
+    assert WALL_KEY in {r["station_key"] for r in rows}
+    ng = sum(1 for r in body["stations"] if r["verdict_overall"] == "ng")
+    assert sum(1 for r in rows if r["verdict"] == "ng") == ng
+    e03 = {r["station_key"]: r for r in body["stations"]}
     for r in rows:
-        assert r["side"] in ("cut", "fill") and r["verdict"] in ("ok", "ng")
-        assert r["fs_min"] == min(v for v in r["fs_by_condition"].values() if v is not None)
+        mine = e03[r["station_key"]]
+        assert r["side"] == mine["side"] in ("cut", "fill")
+        assert r["fs_by_condition"] == mine["fs_by_condition"]
+        assert r["verdict"] == mine["verdict_overall"] in ("ok", "ng")
     reps = inputs["representatives"]
     assert reps and all(rep["result"] and rep["result"]["cases"] for rep in reps)
     book = build.form()
     jobs = build.build_program(book, inputs)
     assert len([k for k, svg in jobs if svg.startswith("<svg")]) >= len(reps)
 
-    # 대표 단면 끔 → E05 목록에서 빠짐 · E03 overrides 는 그대로 읽힘
+    # 대표 단면 끔 → E05 목록에서 빠짐 · representative.json = overrides 만
     key = reps[0]["station_key"]
     asyncio.run(
         router.put_representative(UUID(PID), router.RepresentativeRequest(overrides={key: False}))
     )
     assert key not in [r["station_key"] for r in build.gather(project)["representatives"]]
-    assert router._overrides(project) == {key: False}
+    saved = json.loads((project / router.REPRESENTATIVE).read_text("utf-8"))
+    assert saved == {"overrides": {key: False}}
+
+
+def _case(fs, need):
+    return {"fs": fs, "required": need, "ok": fs >= need}
+
+
+def test_result2d_지배_비탈_기준_대비():
+    """깎기 1.22/1.2(O.K) · 쌓기 1.25/1.3(N.G) — fs 만 낮은 깎기가 아니라 쌓기가 지배 · N.G."""
+    from E05_StabReport import E05_StabReport_Build as build
+
+    row = {
+        "key": "10.00",
+        "chainage_m": 10.0,
+        "sides": [{"side": "left", "role": "cut"}, {"side": "right", "role": "fill"}],
+        "cases": {
+            "dry": {"left": _case(1.6, 1.5), "right": _case(1.7, 1.5)},
+            "wet": {"left": _case(1.22, 1.2), "right": _case(1.25, 1.3)},
+        },
+        "min": {"dry": 1.6, "wet": 1.22},
+        "verdict": {"dry": "ok", "wet": "ng"},
+    }
+    out = view.governing_row(row)
+    assert out["side"] == "fill" and out["fs_min"] == 1.25
+    assert out["fs_by_condition"] == {"dry": 1.7, "wet": 1.25}
+    assert out["verdict_overall"] == "ng" and out["method"] == "bishop"
+    e05 = build._row2d(row, "bishop")
+    assert (e05["side"], e05["fs_by_condition"], e05["verdict"]) == (
+        out["side"],
+        out["fs_by_condition"],
+        out["verdict_overall"],
+    )
+    row["verdict"] = {"dry": "ok", "wet": "ok"}
+    assert view.governing_row(row)["verdict_overall"] == "ok"
+    bare = {**row, "cases": {"dry": {"left": {"fs": 1.4, "required": None}}}}
+    assert view.governing_row(bare)["side"] is None and view.governing_row(bare)["fs_min"] == 1.22