diff --git a/CLAUDE.md b/CLAUDE.md
index 2506aca..c616977 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -31,7 +31,7 @@ Synology NAS 기반의 개인 웹 플랫폼 백엔드 모노레포.
 ```
 /volume1
 ├── docker/webpage/          # 운영 런타임 (Docker Compose 실행 위치)
-│   ├── backend/             # lotto-backend 소스 (rsync 동기화)
+│   ├── lotto/               # lotto 소스 (rsync 동기화)
 │   ├── stock-lab/           # stock-lab 소스 (rsync 동기화)
 │   ├── travel-proxy/        # travel-proxy 소스 (rsync 동기화)
 │   ├── deployer/            # deployer 소스 (rsync 동기화)
@@ -53,7 +53,7 @@ Synology NAS 기반의 개인 웹 플랫폼 백엔드 모노레포.
 
 | 컨테이너 | 포트 | 역할 |
 |---------|------|------|
-| `lotto-backend` | 18000 | 로또 데이터 수집·분석·추천 API |
+| `lotto` | 18000 | 로또 데이터 수집·분석·추천 API |
 | `stock-lab` | 18500 | 주식 뉴스·AI 분석·KIS API 연동 |
 | `music-lab` | 18600 | AI 음악 생성·라이브러리 관리 API |
 | `blog-lab` | 18700 | 블로그 마케팅 수익화 API |
@@ -61,7 +61,7 @@ Synology NAS 기반의 개인 웹 플랫폼 백엔드 모노레포.
 | `agent-office` | 18900 | AI 에이전트 오피스 (실시간 WebSocket + 텔레그램 연동) |
 | `personal` | 18850 | 개인 서비스 (포트폴리오·블로그·투두 통합) |
 | `travel-proxy` | 19000 | 여행 사진 API + 썸네일 생성 |
-| `lotto-frontend` (nginx) | 8080 | 정적 SPA 서빙 + API 리버스 프록시 |
+| `frontend` (nginx) | 8080 | 정적 SPA 서빙 + API 리버스 프록시 |
 | `webpage-deployer` | 19010 | Gitea Webhook 수신 → 자동 배포 |
 
 ---
@@ -70,7 +70,7 @@ Synology NAS 기반의 개인 웹 플랫폼 백엔드 모노레포.
 
 | 경로 | 프록시 대상 | 비고 |
 |------|------------|------|
-| `/api/` | `lotto-backend:8000` | lotto API (기본) |
+| `/api/` | `lotto:8000` | lotto API (기본) |
 | `/api/travel/` | `travel-proxy:8000` | travel API |
 | `/api/stock/` | `stock-lab:8000` | stock API |
 | `/api/trade/` | `stock-lab:8000` | KIS 실계좌 API |
@@ -139,7 +139,7 @@ docker compose up -d
 
 ## 9. 서비스별 핵심 정보
 
-### lotto-lab (backend/)
+### lotto-lab (lotto/)
 - DB: `/app/data/lotto.db`
 - 데이터 소스: `smok95.github.io/lotto/results/`
 - 파일 구조: `main.py`, `db.py`, `recommender.py`, `collector.py`, `checker.py`, `generator.py`, `analyzer.py`, `utils.py`, `purchase_manager.py`, `strategy_evolver.py`
@@ -454,7 +454,7 @@ docker compose up -d
 - `CONVERSATION_MODEL`: 대화 모델 (기본 `claude-haiku-4-5-20251001`)
 - `CONVERSATION_HISTORY_LIMIT`: 이력 주입 수 (기본 20)
 - `CONVERSATION_RATE_PER_MIN`: 채팅당 분당 최대 메시지 (기본 6)
-- `LOTTO_BACKEND_URL`: 기본 `http://lotto-backend:8000`
+- `LOTTO_BACKEND_URL`: 기본 `http://lotto:8000`
 - `LOTTO_CURATOR_MODEL`: 기본 `claude-sonnet-4-5`
 
 **텔레그램 자연어 대화 (옵션 B)**
diff --git a/agent-office/app/config.py b/agent-office/app/config.py
index fccfbdf..2606f52 100644
--- a/agent-office/app/config.py
+++ b/agent-office/app/config.py
@@ -32,5 +32,5 @@ BREAK_DURATION_MIN = int(os.getenv("BREAK_DURATION_MIN", "60"))       # 1 min
 BREAK_DURATION_MAX = int(os.getenv("BREAK_DURATION_MAX", "180"))      # 3 min
 
 # Lotto Curator
-LOTTO_BACKEND_URL = os.getenv("LOTTO_BACKEND_URL", "http://lotto-backend:8000")
+LOTTO_BACKEND_URL = os.getenv("LOTTO_BACKEND_URL", "http://lotto:8000")
 LOTTO_CURATOR_MODEL = os.getenv("LOTTO_CURATOR_MODEL", "claude-sonnet-4-5")
diff --git a/docker-compose.yml b/docker-compose.yml
index f402203..6cfc53a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,12 +1,12 @@
 name: webpage
 
 services:
-  backend:
+  lotto:
     build:
-      context: ./backend
+      context: ./lotto
       args:
         APP_VERSION: ${APP_VERSION:-dev}
-    container_name: lotto-backend
+    container_name: lotto
     restart: unless-stopped
     ports:
       - "18000:8000"
@@ -131,7 +131,7 @@ services:
       - TELEGRAM_WEBHOOK_URL=${TELEGRAM_WEBHOOK_URL:-}
       - TELEGRAM_WIFE_CHAT_ID=${TELEGRAM_WIFE_CHAT_ID:-}
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
-      - LOTTO_BACKEND_URL=${LOTTO_BACKEND_URL:-http://lotto-backend:8000}
+      - LOTTO_BACKEND_URL=${LOTTO_BACKEND_URL:-http://lotto:8000}
       - LOTTO_CURATOR_MODEL=${LOTTO_CURATOR_MODEL:-claude-sonnet-4-5}
       - CONVERSATION_MODEL=${CONVERSATION_MODEL:-claude-haiku-4-5-20251001}
       - CONVERSATION_HISTORY_LIMIT=${CONVERSATION_HISTORY_LIMIT:-20}
@@ -193,7 +193,7 @@ services:
 
   frontend:
     image: nginx:alpine
-    container_name: lotto-frontend
+    container_name: frontend
     restart: unless-stopped
     depends_on:
       - music-lab
diff --git a/backend/.dockerignore b/lotto/.dockerignore
similarity index 100%
rename from backend/.dockerignore
rename to lotto/.dockerignore
diff --git a/backend/Dockerfile b/lotto/Dockerfile
similarity index 100%
rename from backend/Dockerfile
rename to lotto/Dockerfile
diff --git a/backend/app/analyzer.py b/lotto/app/analyzer.py
similarity index 100%
rename from backend/app/analyzer.py
rename to lotto/app/analyzer.py
diff --git a/backend/app/checker.py b/lotto/app/checker.py
similarity index 100%
rename from backend/app/checker.py
rename to lotto/app/checker.py
diff --git a/backend/app/collector.py b/lotto/app/collector.py
similarity index 100%
rename from backend/app/collector.py
rename to lotto/app/collector.py
diff --git a/backend/app/curator_helpers.py b/lotto/app/curator_helpers.py
similarity index 100%
rename from backend/app/curator_helpers.py
rename to lotto/app/curator_helpers.py
diff --git a/backend/app/db.py b/lotto/app/db.py
similarity index 95%
rename from backend/app/db.py
rename to lotto/app/db.py
index a170662..f12b188 100644
--- a/backend/app/db.py
+++ b/lotto/app/db.py
@@ -143,44 +143,6 @@ def init_db() -> None:
             "ON best_picks(is_active, score_total DESC);"
         )
 
-        # ── todos 테이블 ───────────────────────────────────────────────────────
-        conn.execute(
-            """
-            CREATE TABLE IF NOT EXISTS todos (
-                id          TEXT    PRIMARY KEY
-                            DEFAULT (lower(hex(randomblob(4))) || '-' || lower(hex(randomblob(2)))),
-                title       TEXT    NOT NULL,
-                description TEXT,
-                status      TEXT    NOT NULL DEFAULT 'todo'
-                            CHECK(status IN ('todo','in_progress','done')),
-                created_at  TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now')),
-                updated_at  TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now'))
-            );
-            """
-        )
-        conn.execute(
-            "CREATE INDEX IF NOT EXISTS idx_todos_created ON todos(created_at DESC);"
-        )
-
-        # ── blog_posts 테이블 ──────────────────────────────────────────────────
-        conn.execute(
-            """
-            CREATE TABLE IF NOT EXISTS blog_posts (
-                id         INTEGER PRIMARY KEY AUTOINCREMENT,
-                title      TEXT    NOT NULL,
-                body       TEXT    NOT NULL DEFAULT '',
-                excerpt    TEXT    NOT NULL DEFAULT '',
-                tags       TEXT    NOT NULL DEFAULT '[]',
-                date       TEXT    NOT NULL DEFAULT (date('now','localtime')),
-                created_at TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now')),
-                updated_at TEXT    NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now'))
-            );
-            """
-        )
-        conn.execute(
-            "CREATE INDEX IF NOT EXISTS idx_blog_date ON blog_posts(date DESC);"
-        )
-
         # ── purchase_history 테이블 ────────────────────────────────────────────
         conn.execute(
             """
diff --git a/backend/app/generator.py b/lotto/app/generator.py
similarity index 100%
rename from backend/app/generator.py
rename to lotto/app/generator.py
diff --git a/backend/app/main.py b/lotto/app/main.py
similarity index 100%
rename from backend/app/main.py
rename to lotto/app/main.py
diff --git a/backend/app/purchase_manager.py b/lotto/app/purchase_manager.py
similarity index 100%
rename from backend/app/purchase_manager.py
rename to lotto/app/purchase_manager.py
diff --git a/backend/app/recommender.py b/lotto/app/recommender.py
similarity index 100%
rename from backend/app/recommender.py
rename to lotto/app/recommender.py
diff --git a/backend/app/requirements.txt b/lotto/app/requirements.txt
similarity index 100%
rename from backend/app/requirements.txt
rename to lotto/app/requirements.txt
diff --git a/backend/app/routers/__init__.py b/lotto/app/routers/__init__.py
similarity index 100%
rename from backend/app/routers/__init__.py
rename to lotto/app/routers/__init__.py
diff --git a/backend/app/routers/briefing.py b/lotto/app/routers/briefing.py
similarity index 100%
rename from backend/app/routers/briefing.py
rename to lotto/app/routers/briefing.py
diff --git a/backend/app/routers/curator.py b/lotto/app/routers/curator.py
similarity index 100%
rename from backend/app/routers/curator.py
rename to lotto/app/routers/curator.py
diff --git a/backend/app/strategy_evolver.py b/lotto/app/strategy_evolver.py
similarity index 100%
rename from backend/app/strategy_evolver.py
rename to lotto/app/strategy_evolver.py
diff --git a/backend/app/utils.py b/lotto/app/utils.py
similarity index 100%
rename from backend/app/utils.py
rename to lotto/app/utils.py
diff --git a/backend/tests/test_integration.py b/lotto/tests/test_integration.py
similarity index 100%
rename from backend/tests/test_integration.py
rename to lotto/tests/test_integration.py
diff --git a/backend/tests/test_purchase_manager.py b/lotto/tests/test_purchase_manager.py
similarity index 100%
rename from backend/tests/test_purchase_manager.py
rename to lotto/tests/test_purchase_manager.py
diff --git a/backend/tests/test_strategy_evolver.py b/lotto/tests/test_strategy_evolver.py
similarity index 100%
rename from backend/tests/test_strategy_evolver.py
rename to lotto/tests/test_strategy_evolver.py
diff --git a/nginx/default.conf b/nginx/default.conf
index e9fe0bf..a3d428d 100644
--- a/nginx/default.conf
+++ b/nginx/default.conf
@@ -204,7 +204,7 @@ server {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;
 
-    proxy_pass http://backend:8000;
+    proxy_pass http://lotto:8000;
   }
 
   # Fear & Greed Index (CNN 공개 API)
diff --git a/scripts/deploy-nas.sh b/scripts/deploy-nas.sh
index f186c57..12321b4 100644
--- a/scripts/deploy-nas.sh
+++ b/scripts/deploy-nas.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 
 # ── 서비스 목록 (한 곳에서만 관리) ──
-SERVICES="backend travel-proxy deployer stock-lab music-lab blog-lab realestate-lab agent-office personal nginx scripts"
+SERVICES="lotto travel-proxy deployer stock-lab music-lab blog-lab realestate-lab agent-office personal nginx scripts"
 
 # 1. 자동 감지: Docker 컨테이너 내부인가?
 if [ -d "/repo" ] && [ -d "/runtime" ]; then
diff --git a/scripts/deploy.sh b/scripts/deploy.sh
index b07a8d7..25064cc 100644
--- a/scripts/deploy.sh
+++ b/scripts/deploy.sh
@@ -7,11 +7,11 @@ flock -n 200 || { echo "Deploy already running, skipping"; exit 0; }
 
 # ── 서비스 목록 (한 곳에서만 관리) ──
 # docker compose 서비스명 (deployer 제외 — 자기 자신을 재빌드하면 스크립트 중단)
-BUILD_TARGETS="backend travel-proxy stock-lab music-lab blog-lab realestate-lab agent-office personal frontend"
+BUILD_TARGETS="lotto travel-proxy stock-lab music-lab blog-lab realestate-lab agent-office personal frontend"
 # 컨테이너 이름 (고아 정리용)
-CONTAINER_NAMES="lotto-backend stock-lab music-lab blog-lab realestate-lab agent-office personal travel-proxy lotto-frontend"
+CONTAINER_NAMES="lotto stock-lab music-lab blog-lab realestate-lab agent-office personal travel-proxy frontend"
 # 헬스체크 대상
-HEALTH_ENDPOINTS="backend stock-lab travel-proxy music-lab blog-lab realestate-lab agent-office personal"
+HEALTH_ENDPOINTS="lotto stock-lab travel-proxy music-lab blog-lab realestate-lab agent-office personal"
 # data 디렉토리
 DATA_DIRS="music stock blog realestate agent-office personal"
 
@@ -89,7 +89,7 @@ done
 
 # 3) 재빌드 및 시작
 docker compose up -d --build $BUILD_TARGETS
-docker exec lotto-frontend nginx -s reload 2>/dev/null || true
+docker exec frontend nginx -s reload 2>/dev/null || true
 
 # ── 배포 후 헬스체크 ──
 echo "Waiting for services to start..."