feat: 주식 보유종목 인텔리전스 탭 (액션·이슈·포트건강)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/api.js

@@ -697,6 +697,10 @@ export const refreshScreenerSnap  = ()           => apiPost('/api/stock/screener
 export const listScreenerRuns     = (limit = 30) => apiGet (`/api/stock/screener/runs?limit=${limit}`);
 export const getScreenerRun       = (id)         => apiGet (`/api/stock/screener/runs/${id}`);
 
+// ---- Stock Holdings Intelligence ----
+export const stockHoldingsIntel   = ()                    => apiGet('/api/stock/holdings/intel');
+export const stockHoldingsHistory = (ticker, days = 30)   => apiGet(`/api/stock/holdings/intel/history?ticker=${ticker}&days=${days}`);
+
 // --- Lotto Weight Evolver ---
 
 export async function fetchEvolverStatus() {