diff --git a/.claude/launch.json b/.claude/launch.json
new file mode 100644
index 0000000..19100fc
--- /dev/null
+++ b/.claude/launch.json
@@ -0,0 +1,23 @@
+{
+  "version": "0.0.1",
+  "configurations": [
+    {
+      "name": "frontend",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev"],
+      "port": 3000
+    },
+    {
+      "name": "backend",
+      "runtimeExecutable": "uvicorn",
+      "runtimeArgs": ["app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"],
+      "port": 8000
+    },
+    {
+      "name": "docker-dev",
+      "runtimeExecutable": "docker-compose",
+      "runtimeArgs": ["-f", "docker-compose.dev.yml", "up"],
+      "port": 8090
+    }
+  ]
+}
diff --git a/CLAUDE.md b/CLAUDE.md
index 690f8ed..fd12989 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -7,7 +7,7 @@
 ## 1. 프로젝트 개요
 
 ### 1.1 기술 스택
-- **백엔드**: Python 3.11, FastAPI, SQLAlchemy (Async), PostgreSQL, Redis
+- **백엔드**: Python 3.11, FastAPI, SQLAlchemy (Async), PostgreSQL, Redis, Rabbitmq
 - **프론트엔드**: React, TypeScript, Vite, Recharts
 - **인프라**: Docker Compose, Nginx
 - **AI 계층**: Claude 3.5 Sonnet / Gemini 2.0 Flash (`.env`에서 전환)
diff --git a/backend/app/api/endpoints/recommendations.py b/backend/app/api/endpoints/recommendations.py
index 81f04bc..44373a6 100644
--- a/backend/app/api/endpoints/recommendations.py
+++ b/backend/app/api/endpoints/recommendations.py
@@ -497,6 +497,7 @@ async def get_rule_based_recommendations_realtime():
         use_bollinger=True,
         use_stochastic=True,
         for_batch=True,
+        min_volume_ratio=0,  # intraday acml_vol << avg_vol_20 → 장중엔 항상 0으로 고정
     )
     
     batch_size = 1
diff --git a/backend/app/services/korea_investment_api.py b/backend/app/services/korea_investment_api.py
index c2430cd..e6ce64e 100644
--- a/backend/app/services/korea_investment_api.py
+++ b/backend/app/services/korea_investment_api.py
@@ -149,6 +149,26 @@ async def _cache_set(key: str, ttl: int, data: Any) -> None:
         pass
 
 
+def _round_to_krx_tick(price: int) -> int:
+    """KRX 호가단위에 맞춰 가격을 올림(ceil) 처리. 모의투자 호가단위 오류 방지."""
+    if price < 1_000:
+        tick = 1
+    elif price < 5_000:
+        tick = 5
+    elif price < 10_000:
+        tick = 10
+    elif price < 50_000:
+        tick = 50
+    elif price < 100_000:
+        tick = 100
+    elif price < 500_000:
+        tick = 500
+    else:
+        tick = 1_000
+    remainder = price % tick
+    return price if remainder == 0 else price + (tick - remainder)
+
+
 class KoreaInvestmentAPI:
     """한국투자증권 API 클라이언트 (안전한 재시도 및 쓰로틀링 적용)"""
 
@@ -1012,7 +1032,7 @@ class KoreaInvestmentAPI:
                 tr_id = "VTTC0801U" if is_virtual else "TTTC0801U"
             
             order_dvsn = "01" if price is None else "00"
-            order_price = "0" if price is None else str(int(price))
+            order_price = "0" if price is None else str(_round_to_krx_tick(int(price)))
             
             logger.info(f"📤 주문 요청: {order_type} {stock_code} {quantity}주 @{order_price}원 (tr_id={tr_id}, is_virtual={is_virtual})")
             
diff --git a/backend/app/services/market_analyzer.py b/backend/app/services/market_analyzer.py
index f2be348..1dd687c 100644
--- a/backend/app/services/market_analyzer.py
+++ b/backend/app/services/market_analyzer.py
@@ -219,11 +219,6 @@ def _analyze_chart_items(
         logger.info("필터[저가] %s: %.0f원 < %d원", stock_code, current_price, settings.MIN_PRICE_KRW)
         return None
 
-    # 전일 거래량 필터: 100만주 미만 종목 제외 (유동성 부족)
-    if volume < 1_000_000:
-        logger.info("필터[거래량] %s: %d주 < 100만주", stock_code, volume)
-        return None
-
     if len(chart_data) >= 2:
         prev_price = float(chart_data[-2].get("stck_clpr", current_price))
         change_rate = ((current_price - prev_price) / prev_price) * 100 if prev_price > 0 else 0
@@ -240,6 +235,14 @@ def _analyze_chart_items(
     avg_vol_20 = sum(volumes[-20:]) / 20 if len(volumes) >= 20 else 0
     volume_ratio = (volume / avg_vol_20) if avg_vol_20 > 0 else 0
 
+    # 유동성 필터: 20일 평균 거래량 기준으로 판단 (intraday 누적량 대신 사용)
+    # chart_data[-1].acml_vol은 장 초반에 당일 누적량이므로 실제 유동성을 반영 못함
+    # avg_vol_20 기준 10만주 미만 = 진입하기 어려운 비유동 종목
+    liquidity_vol = avg_vol_20 if avg_vol_20 > 0 else volume
+    if liquidity_vol < 100_000:
+        logger.info("필터[거래량] %s: 20일평균 %.0f주 < 10만주", stock_code, liquidity_vol)
+        return None
+
     if not criteria.for_batch and avg_vol_20 < 50000 and current_price < 50000:
         return None
 
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 407acd5..4f2f98a 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -82,6 +82,8 @@ services:
       - "8001:8001"
     environment:
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY}
+      - GEMINI_API_KEY=${GEMINI_API_KEY}
+      - AI_PROVIDER=${AI_PROVIDER:-claude}
       - LOG_LEVEL=debug
       - DATABASE_URL=postgresql://${POSTGRES_USER:-stock}:${POSTGRES_PASSWORD:-stock1234}@postgres:5432/${POSTGRES_DB:-stock}
     command: uvicorn main:app --host 0.0.0.0 --port 8001 --reload
diff --git a/mcp-server/config.py b/mcp-server/config.py
index dab701a..1bceed8 100644
--- a/mcp-server/config.py
+++ b/mcp-server/config.py
@@ -1,7 +1,7 @@
 import os
 from dotenv import load_dotenv
 
-load_dotenv()
+load_dotenv(override=True)  # 컨테이너 빈 env var보다 .env 파일 우선
 
 
 class Settings: