diff --git a/E03_StabSection/E03_StabSection_Router.py b/E03_StabSection/E03_StabSection_Router.py
index 573c922a9..7e8b3c17b 100644
--- a/E03_StabSection/E03_StabSection_Router.py
+++ b/E03_StabSection/E03_StabSection_Router.py
@@ -170,24 +170,29 @@ def _meta(item: dict[str, Any], design: dict[str, Any]) -> dict[str, Any]:
 
 
 def _run_worker(job: dict[str, Any], emit: Any) -> None:
-    """일꾼 프로세스(`E03_StabSection_Worker`) — 한 줄마다 emit · 실패면 RuntimeError."""
+    """일꾼 프로세스(`E03_StabSection_Worker`) — 한 줄마다 emit · 실패면 RuntimeError.
+
+    stderr 는 파일로(파이프로 두면 경고가 쌓여 일꾼이 멈춤)."""
     with tempfile.TemporaryDirectory(prefix="aislo_e03_") as folder:
         path = Path(folder) / "job.json"
         path.write_text(json.dumps(job, ensure_ascii=False), encoding="utf-8")
-        process = subprocess.Popen(
-            [sys.executable, "-m", "E03_StabSection.E03_StabSection_Worker", str(path)],
-            cwd=PROJECT_ROOT,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-            text=True,
-            encoding="utf-8",
-        )
-        for line in process.stdout:
-            if line.startswith("{"):
-                emit(json.loads(line).get("done"))
-        error = process.stderr.read()
-        if process.wait() != 0:
-            raise RuntimeError(f"해석 일꾼 실패: {error.strip().splitlines()[-1:]}")
+        log = Path(folder) / "stderr.txt"
+        with log.open("w", encoding="utf-8") as errors:
+            process = subprocess.Popen(
+                [sys.executable, "-m", "E03_StabSection.E03_StabSection_Worker", str(path)],
+                cwd=PROJECT_ROOT,
+                stdout=subprocess.PIPE,
+                stderr=errors,
+                text=True,
+                encoding="utf-8",
+            )
+            for line in process.stdout:
+                if line.startswith("{"):
+                    emit(json.loads(line).get("done"))
+            code = process.wait()
+        if code != 0:
+            tail = log.read_text(encoding="utf-8", errors="replace").strip().splitlines()[-1:]
+            raise RuntimeError(f"해석 일꾼 실패: {tail}")
 
 
 def run_all(root: Path, plan: dict[str, Any], report: Any) -> int:
diff --git a/E03_StabSection/E03_StabSection_UI_List.ts b/E03_StabSection/E03_StabSection_UI_List.ts
index 52c86ea45..4a88a343e 100644
--- a/E03_StabSection/E03_StabSection_UI_List.ts
+++ b/E03_StabSection/E03_StabSection_UI_List.ts
@@ -82,16 +82,22 @@ export function buildList(
       onToggle(row.key);
     });
     tr.append(
-      el("td", { text: row.label?.replace(/^STA\./, "") ?? row.key }),
+      el("td", { text: row.label?.replace(/^STA\./, "").replace(/\.000$/, "") ?? row.key }),
       el("td", {
-        text: row.sides.length ? roleText(row, { cut: t("E03_Cut"), fill: t("E03_Fill") }) : "-",
+        text: row.sides.length
+          ? roleText(row, { cut: t("E03_CutShort"), fill: t("E03_FillShort") })
+          : "-",
       }),
       ...draw.conditions.map((c) => el("td", { className: "is-num", text: fmt(row.min[c]) })),
       el("td", {
         children: [
           el("span", {
             className: `e03-verdict e03-verdict--${v}`,
-            text: row.error ? t("E03_Error") : t(`E03_Verdict_${v}` as LocaleKey),
+            text: row.error
+              ? t("E03_Error")
+              : v === "none"
+                ? "-"
+                : t(`E03_Verdict_${v}` as LocaleKey),
           }),
         ],
       }),
diff --git a/E03_StabSection/E03_StabSection_UI_Page.ts b/E03_StabSection/E03_StabSection_UI_Page.ts
index 4287bfa09..53bc15939 100644
--- a/E03_StabSection/E03_StabSection_UI_Page.ts
+++ b/E03_StabSection/E03_StabSection_UI_Page.ts
@@ -331,7 +331,9 @@ export function renderE03StabSection(root: HTMLElement): void {
   }
 
   async function load(): Promise<void> {
+    const before = result?.status;
     result = await api<Result2d>(`${base}/result2d`);
+    if (before === "none" && result.status === "ok") active = null; // 첫 해석 뒤 = 가장 낮은 측점으로
     sections.clear();
     const conds = result.conditions;
     if (!conds.includes(condition)) condition = conds[0] ?? "dry";
diff --git a/E03_StabSection/E03_StabSection_UI_Result.ts b/E03_StabSection/E03_StabSection_UI_Result.ts
index a9225f2aa..18f41337a 100644
--- a/E03_StabSection/E03_StabSection_UI_Result.ts
+++ b/E03_StabSection/E03_StabSection_UI_Result.ts
@@ -174,11 +174,18 @@ function freeBody(view: SectionView, analysis: Analysis, picked: number | null):
         "data-value": String(a.value),
       }),
     );
-    const tip = a.name.startsWith("E") || a.name.startsWith("X") || a.name === "Q" ? p0 : p1;
+    // 글 = 화살 바깥 끝(들어오는 힘 = 꼬리 · 나가는 힘 = 머리)에서 화살 방향으로 조금 더
+    const len = Math.hypot(p1[0] - p0[0], p1[1] - p0[1]) || 1;
+    const d: Point = [(p1[0] - p0[0]) / len, (p1[1] - p0[1]) / len];
+    const ending = a.name !== "W";
+    const out: Point = ending ? [-d[0], -d[1]] : d;
+    const at: Point = ending ? p0 : p1;
+    const anchor = out[0] > 0.3 ? "start" : out[0] < -0.3 ? "end" : "middle";
+    const label = { x: at[0] + out[0] * 6, y: at[1] + out[1] * 6 + (out[1] > 0.3 ? 10 : 0) };
     svg.append(
       svgEl(
         "text",
-        { x: tip[0] + 4, y: tip[1] - 4, class: "e03-label" },
+        { ...label, "text-anchor": anchor, class: "e03-label" },
         `${a.name} ${fmt(a.value, 1)}`,
       ),
     );
diff --git a/E03_StabSection/E03_StabSection_UI_Section.ts b/E03_StabSection/E03_StabSection_UI_Section.ts
index 7960d5042..273d9f866 100644
--- a/E03_StabSection/E03_StabSection_UI_Section.ts
+++ b/E03_StabSection/E03_StabSection_UI_Section.ts
@@ -13,6 +13,7 @@ import {
   bandIndex,
   bandLegend,
   fitView,
+  focusHome,
   pointsText,
   sliceShape,
   toModel,
@@ -25,6 +26,7 @@ import {
 
 const SVG_NS = "http://www.w3.org/2000/svg";
 const PAD = 28;
+const MAX_SCALE = 30;
 
 export function svgEl<K extends keyof SVGElementTagNameMap>(
   tag: K,
@@ -307,7 +309,7 @@ export function createSectionCanvas(onPick: (index: number | null) => void): Sec
     });
     svg.addEventListener("mouseleave", () => (tip.style.display = "none"));
 
-    const key = `${view.key}|${width}x${height}`;
+    const key = `${view.key}|${analysis?.condition}|${analysis?.side}|${width}x${height}`;
     if (key !== zoomKey) zoom = undefined;
     zoomKey = key;
     attachSvgZoomPan({
@@ -317,7 +319,8 @@ export function createSectionCanvas(onPick: (index: number | null) => void): Sec
       heightPx: height,
       pad: { left: 0, right: 0, top: 0, bottom: 0 },
       wheelZoom: true,
-      maxScale: 20,
+      maxScale: MAX_SCALE,
+      home: focusHome(fit, view, analysis, width, height, MAX_SCALE),
       initial: zoom,
       onChange: (state) => (zoom = state),
     });
diff --git a/E03_StabSection/E03_StabSection_UI_Style.css b/E03_StabSection/E03_StabSection_UI_Style.css
index 95b8a2665..63c515748 100644
--- a/E03_StabSection/E03_StabSection_UI_Style.css
+++ b/E03_StabSection/E03_StabSection_UI_Style.css
@@ -80,7 +80,7 @@
   display: grid;
   grid-template-rows: auto minmax(0, 1fr);
   gap: var(--spacing-8);
-  height: 100%;
+  height: calc(100dvh - var(--app-header-h));
   padding: var(--spacing-8) var(--spacing-12);
   box-sizing: border-box;
   min-height: 0;
@@ -89,6 +89,7 @@
 .e03-body {
   display: grid;
   grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
+  grid-template-rows: minmax(0, 1fr);
   gap: var(--spacing-8);
   min-height: 0;
 }
@@ -214,9 +215,10 @@
 }
 
 .e03-list tbody tr.is-active {
-  background: var(--color-lavender-wash);
-  outline: 1px solid var(--color-accent);
-  outline-offset: -1px;
+  background: var(--color-surface-sunken);
+  outline: 2px solid var(--color-accent);
+  outline-offset: -2px;
+  font-weight: var(--font-weight-medium);
 }
 
 .e03-verdict {
@@ -508,7 +510,9 @@
 }
 
 .e03-table tbody tr.is-picked {
-  background: var(--color-lavender-wash);
+  background: var(--color-surface-sunken);
+  outline: 2px solid var(--color-accent);
+  outline-offset: -2px;
 }
 
 .e03-slices {
@@ -576,7 +580,7 @@
 .e03-view3d {
   position: fixed;
   inset: 5vh 5vw;
-  z-index: 50;
+  z-index: 800;
   display: flex;
   flex-direction: column;
   border-radius: var(--radius-sm);
diff --git a/E03_StabSection/E03_StabSection_UI_View3D.ts b/E03_StabSection/E03_StabSection_UI_View3D.ts
index 4f69b9229..4042d0d22 100644
--- a/E03_StabSection/E03_StabSection_UI_View3D.ts
+++ b/E03_StabSection/E03_StabSection_UI_View3D.ts
@@ -149,7 +149,7 @@ export async function openView3d(
   const camera = new THREE.PerspectiveCamera(45, 1, 0.5, Math.max(sphere.radius * 20, 1000));
   camera.position
     .copy(sphere.center)
-    .add(new THREE.Vector3(0, sphere.radius * 1.4, sphere.radius * 1.2));
+    .add(new THREE.Vector3(0, sphere.radius * 1.9, sphere.radius * 1.6));
   const controls = new OrbitControls(camera, renderer.domElement);
   controls.target.copy(sphere.center);
   controls.update();
diff --git a/E03_StabSection/logic/E03_StabSection_Logic.ts b/E03_StabSection/logic/E03_StabSection_Logic.ts
index 9bf1903dd..134e8ade0 100644
--- a/E03_StabSection/logic/E03_StabSection_Logic.ts
+++ b/E03_StabSection/logic/E03_StabSection_Logic.ts
@@ -243,6 +243,43 @@ export function fitView(view: SectionView, width: number, height: number, pad: n
   return { k, tx: width / 2 + (k * (x0 + x1)) / 2, ty: height / 2 + (k * (z0 + z1)) / 2 };
 }
 
+/**
+ * 처음 보기(줌 · 팬) — 그 비탈 탐색 범위 · 임계면 · 격자 중심을 판 가운데 크게(여백 25 %).
+ * 판 전체(scale 1) = 모형 전체 · 두 번 누름 = 이 보기 · 배율은 1~maxScale.
+ */
+export function focusHome(
+  fit: ViewFit,
+  view: SectionView,
+  analysis: Analysis | null,
+  width: number,
+  height: number,
+  maxScale: number,
+): { scale: number; tx: number; ty: number } {
+  if (!analysis) return { scale: 1, tx: 0, ty: 0 };
+  const pts: Point[] = [];
+  const [x0, x1] = analysis.limits;
+  view.surface.filter((p) => p[0] >= x0 && p[0] <= x1).forEach((p) => pts.push(p));
+  analysis.critical?.points.forEach((p) => pts.push(p));
+  if (analysis.grid) {
+    const g = analysis.grid;
+    pts.push([Math.min(...g.x), Math.min(...g.z)], [Math.max(...g.x), Math.max(...g.z)]);
+  }
+  if (!pts.length) return { scale: 1, tx: 0, ty: 0 };
+  const scr = pts.map((p) => toScreen(fit, p));
+  const [sx0, sx1] = [Math.min(...scr.map((p) => p[0])), Math.max(...scr.map((p) => p[0]))];
+  const [sy0, sy1] = [Math.min(...scr.map((p) => p[1])), Math.max(...scr.map((p) => p[1]))];
+  const raw = Math.min(
+    width / Math.max((sx1 - sx0) * 1.25, 1),
+    height / Math.max((sy1 - sy0) * 1.25, 1),
+  );
+  const scale = Math.min(Math.max(raw, 1), maxScale);
+  return {
+    scale,
+    tx: width / 2 - (scale * (sx0 + sx1)) / 2,
+    ty: height / 2 - (scale * (sy0 + sy1)) / 2,
+  };
+}
+
 /** 결과 좌표 → 화면 px */
 export function toScreen(fit: ViewFit, p: Point): Point {
   return [-fit.k * p[0] + fit.tx, -fit.k * p[1] + fit.ty];
@@ -336,9 +373,9 @@ export function forceArrows(
   return [
     arrow("W", slice.weight, centroid, [0, -1]),
     arrow("Q", slice.surcharge, midTop, [0, -1], true),
-    arrow("N", slice.N_eff, midBase, n),
-    arrow("U", slice.U, midBase, n),
-    arrow("S", slice.S, midBase, [-s * t[0], -s * t[1]]),
+    arrow("N", slice.N_eff, midBase, n, true),
+    arrow("U", slice.U, midBase, n, true),
+    arrow("S", slice.S, midBase, [-s * t[0], -s * t[1]], true),
     arrow("EL", slice.E_left, nearFace, [s, 0], true),
     arrow("ER", slice.E_right, farFace, [-s, 0], true),
     arrow("XL", slice.X_left, nearFace, [0, 1], true),
diff --git a/ui_template/ui_template_locale_e03.ts b/ui_template/ui_template_locale_e03.ts
index 40f2fae3c..6e88d4d9b 100644
--- a/ui_template/ui_template_locale_e03.ts
+++ b/ui_template/ui_template_locale_e03.ts
@@ -50,6 +50,8 @@ export const ui_locales_e03 = {
   E03_Error: ["오류", "Error"],
   E03_Cut: ["깎기", "Cut"],
   E03_Fill: ["쌓기", "Fill"],
+  E03_CutShort: ["깎", "C"],
+  E03_FillShort: ["쌓", "F"],
   E03_Left: ["좌 비탈", "Left slope"],
   E03_Right: ["우 비탈", "Right slope"],
   E03_Side: ["비탈", "Slope"],