feat(abut): 벽체 배근 입력 저장 · 교대 벽체 등 fck(35)

- AbutRecord.rebar.wall (바꾼 값만), applyWallRebar, 프로젝트 파일 검증
- 교대 벽체 · 흉벽 · 날개벽 · 접속슬래브 fck(abutBody, 기본 35)를 ② 벽체·흉벽 카드에서 입력. 저판 fck 행과 같은 함수

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>

src/core/abut/edit.ts

@@ -9,6 +9,7 @@ import { ABUT_SHAPE_DEFAULT, normalizeShape, shapeIssues, type AbutShape } from
 import { resolveSlab, slabIssues, type AbutSlab, type SlabForm } from './slab';
 import type { AbutGround } from './ground';
 import { footingRebarIssues, resolveFootingRebar, type AbutFootingRebarSettings } from './rebar/footing';
+import { resolveWallRebar, wallRebarIssues, type AbutWallRebarSettings } from './rebar/wall';
 import { abutBearingRuleIssues, resolveBearingRule, type AbutBearingRule } from './bearing-table';
 
 export type AbutEditKey = 'seatEl' | 'foundationBottomEl' | 'groundEl' | 'pileLengthMm' | 'skewDeg' | 'slopeI';
@@ -178,6 +179,16 @@ export function applyFootingRebar(rec: AbutRecord, patch: Partial<AbutFootingReb
   return { ...rec, rebar: { ...(rec.rebar ?? {}), footing } };
 }
 
+/** Changes ③ 벽체 배근 values (only the changed ones are kept; undefined clears one), refused with a Korean message. */
+export function applyWallRebar(rec: AbutRecord, patch: Partial<AbutWallRebarSettings>): AbutRecord {
+  for (const v of Object.values(patch)) if (typeof v === 'number' && !Number.isFinite(v)) throw new Error('숫자를 입력하세요.');
+  const wall: Partial<AbutWallRebarSettings> = { ...(rec.rebar?.wall ?? {}), ...patch };
+  for (const key of Object.keys(wall) as (keyof AbutWallRebarSettings)[]) if (wall[key] === undefined) delete wall[key];
+  const issues = wallRebarIssues(resolveWallRebar(wall));
+  if (issues.length > 0) throw new Error(issues[0]);
+  return { ...rec, rebar: { ...(rec.rebar ?? {}), wall } };
+}
+
 /** Changes one 접속슬래브 dim, refused with a Korean message when the slab would not build. */
 export function applySlabEdit(rec: AbutRecord, key: (typeof SLAB_EDIT_FIELDS)[number]['key'], value: number): AbutRecord {
   if (!Number.isFinite(value)) throw new Error('숫자를 입력하세요.');

src/core/abut/parse.ts

@@ -16,6 +16,7 @@ import type { WingDims } from './wings';
 import type { AbutSlab } from './slab';
 import type { AbutGround } from './ground';
 import type { AbutFootingRebarSettings } from './rebar/footing';
+import type { AbutWallRebarSettings } from './rebar/wall';
 
 type Cell = string | number | null | undefined;
 type Grid = Cell[][];
@@ -67,7 +68,7 @@ export interface AbutRecord {
   /** 지반·지층 입력 (② 지반·지층 카드, 교각과 같은 필드). Absent = 육상, 지하수위 없음, 지층 행 없음. */
   ground?: AbutGround;
   /** ③ 배근 입력 (부재별, 바꾼 값만). Absent = 엑셀 Abut 시트 기본값. */
-  rebar?: { footing?: Partial<AbutFootingRebarSettings> };
+  rebar?: { footing?: Partial<AbutFootingRebarSettings>; wall?: Partial<AbutWallRebarSettings> };
   /** 예전 "좌우 같게" 값 (2026-11-04 이전 파일). 지금은 읽기만 하고 쓰지 않는다. */
   wingsLinked?: boolean;
 }

src/core/project.ts

@@ -68,7 +68,7 @@ export function parseProject(text: string): ProjectFile {
   if (!Array.isArray(obj.piers)) throw new Error('piers 목록이 없습니다.');
   if (obj.fckByMember !== undefined) {
     for (const [member, value] of Object.entries(obj.fckByMember)) {
-      if (!['column', 'coping', 'footing', 'abutFooting'].includes(member) || typeof value !== 'number' || !(value > 0)) {
+      if (!['column', 'coping', 'footing', 'abutFooting', 'abutBody'].includes(member) || typeof value !== 'number' || !(value > 0)) {
         throw new Error(`부재별 fck 값이 맞지 않습니다 (${member}: ${String(value)}).`);
       }
     }
@@ -168,6 +168,9 @@ export function checkStoredAbutments(list: unknown): void {
         const ok = key === 'dir' ? x === 'skew' || x === 'perp' : finite(x);
         if (!ok) throw new Error(`${who}: 저판 배근 값 ${key}이(가) 맞지 않습니다.`);
       }
+      for (const [key, v] of Object.entries(a.rebar.wall ?? {})) {
+        if (!finite(v)) throw new Error(`${who}: 벽체 배근 값 ${key}이(가) 맞지 않습니다.`);
+      }
     }
     if (a.wingsLinked !== undefined && typeof a.wingsLinked !== 'boolean') throw new Error(`${who}: 좌우 같게 값이 맞지 않습니다.`);
     if (a.wings !== undefined) {

src/core/rebar/common.ts

@@ -84,15 +84,15 @@ export function materialFrom(raw: unknown): Material {
 }
 
 /** Members that can take their own fck on ② (부재 카드). Other members always use the 공통 fck. */
-export type FckMember = 'column' | 'coping' | 'footing' | 'abutFooting';
+export type FckMember = 'column' | 'coping' | 'footing' | 'abutFooting' | 'abutBody';
 /** The members of {@link FckMember}, for the ② cards. */
-export const FCK_MEMBERS: readonly FckMember[] = ['column', 'coping', 'footing', 'abutFooting'];
+export const FCK_MEMBERS: readonly FckMember[] = ['column', 'coping', 'footing', 'abutFooting', 'abutBody'];
 
 /** Per-member fck (MPa). A member without an entry uses the ③ 공통 설정 fck. */
 export type FckByMember = Partial<Record<FckMember, number>>;
 
-/** 교각도 · 교대도 기준 부재별 기본 fck (MPa). 되돌리기는 이 값으로 돌아가고, 이 값과 다르면 주황색으로 표시합니다. 교대 저판 27 (spec_abut §6, 2026-11-03). */
-export const IMPORTED_FCK: Record<FckMember, number> = { column: 40, coping: 40, footing: 27, abutFooting: 27 };
+/** 교각도 · 교대도 기준 부재별 기본 fck (MPa). 되돌리기는 이 값으로 돌아가고, 이 값과 다르면 주황색으로 표시합니다. 교대 저판 27, 교대 벽체 · 흉벽 · 날개벽 · 접속슬래브 35 (spec_abut §6, 2026-11-03). */
+export const IMPORTED_FCK: Record<FckMember, number> = { column: 40, coping: 40, footing: 27, abutFooting: 27, abutBody: 35 };
 
 /** True when the member's fck is set and differs from its imported default. An unset member is not changed. */
 export function fckChanged(byMember: FckByMember, member: FckMember): boolean {