fix(inbounds): 입고 등록 버튼 — 발주요청/입고완료 상태에도 노출

이전: STATUS === 'PAID' || 'PARTIAL' 일 때만 [입고 등록] 버튼 표시
지금: REQUESTED + PARTIAL + PAID + RECEIVED 모두 표시.
- 입금 의존성 해제(앞선 커밋)와 일관성 맞춤.
- RECEIVED 상태에서도 라인 보정 입력이 가능하도록 버튼 유지 + '입고 완료' 배지 같이 표시.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/(main)/m/admin/inbounds/page.tsx

@@ -293,16 +293,18 @@ export default function InboundsPage() {
         <div className="bg-white border border-slate-200 rounded-xl overflow-hidden flex flex-col">
           <div className="px-3 py-2 bg-slate-50 border-b border-slate-200 text-xs font-semibold text-slate-600 flex items-center justify-between">
             <span>입고 처리 입력</span>
-            {detail && (detail.proc.STATUS === "PAID" || detail.proc.STATUS === "PARTIAL") && (
-              <button onClick={submitInbound} disabled={busy}
-                className="inline-flex items-center gap-1 h-8 px-3 rounded bg-emerald-700 text-white text-xs font-bold hover:bg-emerald-800 disabled:opacity-50">
-                <Save size={12} /> 입고 등록
-              </button>
-            )}
-            {detail && detail.proc.STATUS === "RECEIVED" && (
-              <span className="text-[11px] text-emerald-700 inline-flex items-center gap-1">
-                <CheckCircle2 size={12} /> 입고 완료
-              </span>
+            {detail && ["REQUESTED", "PARTIAL", "PAID", "RECEIVED"].includes(detail.proc.STATUS) && (
+              <div className="flex items-center gap-2">
+                {detail.proc.STATUS === "RECEIVED" && (
+                  <span className="text-[11px] text-emerald-700 inline-flex items-center gap-1">
+                    <CheckCircle2 size={12} /> 입고 완료
+                  </span>
+                )}
+                <button onClick={submitInbound} disabled={busy}
+                  className="inline-flex items-center gap-1 h-8 px-3 rounded bg-emerald-700 text-white text-xs font-bold hover:bg-emerald-800 disabled:opacity-50">
+                  <Save size={12} /> 입고 등록
+                </button>
+              </div>
             )}
           </div>
           <div className="flex-1 lg:overflow-auto p-4">