stock 실현손익 보여줄 수 있게 화면 구성 추가

src/api.js

@@ -221,6 +221,31 @@ export function clearTodos() {
   return apiDelete('/api/todos/done');
 }
 
+// ── 실현손익 내역 API ─────────────────────────────────────────────────────────
+// GET  /api/portfolio/sell-history?broker=X&days=N  → { records: [...] }
+// POST /api/portfolio/sell-history                  → 저장된 레코드 반환
+// DELETE /api/portfolio/sell-history/:id            → { ok: true }
+
+export function getSellHistory({ broker, days } = {}) {
+  const qs = new URLSearchParams();
+  if (broker && broker !== 'ALL') qs.set('broker', broker);
+  if (days) qs.set('days', String(days));
+  const q = qs.toString();
+  return apiGet(`/api/portfolio/sell-history${q ? '?' + q : ''}`);
+}
+
+export function addSellHistory(record) {
+  return apiPost('/api/portfolio/sell-history', record);
+}
+
+export function updateSellHistory(id, record) {
+  return apiPut(`/api/portfolio/sell-history/${id}`, record);
+}
+
+export function deleteSellHistory(id) {
+  return apiDelete(`/api/portfolio/sell-history/${id}`);
+}
+
 // ── 블로그 API ────────────────────────────────────────────────────────────────
 // GET  /api/blog/posts               → { posts: [{id, title, tags, body, date, excerpt}] }
 // POST /api/blog/posts               → 새 글 생성