[2026-05-18] KIS API rate limit 수정 — 모의투자 1건/초, 진입체크 불필요 호출 제거

app/execution/kis_client.py

@@ -49,9 +49,10 @@ class KISClient:
         self._access_token    : Optional[str]      = None
         self._token_expires_at: Optional[datetime] = None
 
-        # rate limit: 초당 20건
-        self._semaphore = asyncio.Semaphore(20)
-        self._req_times : list = []
+        # rate limit: 모의투자 1건/초, 실거래 5건/초
+        self._rate_limit = 1 if self.is_mock else 5
+        self._semaphore  = asyncio.Semaphore(1)
+        self._req_times  : list = []
 
         mode = "모의투자" if self.is_mock else "실거래"
         logger.info(f"KISClient 초기화 완료 [{mode}] 계좌: {self.account_no}")
@@ -127,10 +128,9 @@ class KISClient:
         }
 
         async with self._semaphore:
-            # 초당 20건 rate limit
             now = time.monotonic()
             self._req_times = [t for t in self._req_times if now - t < 1.0]
-            if len(self._req_times) >= 20:
+            if len(self._req_times) >= self._rate_limit:
                 wait = 1.0 - (now - self._req_times[0])
                 if wait > 0:
                     await asyncio.sleep(wait)