diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..06d7405
Binary files /dev/null and b/app/__init__.py differ
diff --git a/app/auth.py b/app/auth.py
new file mode 100644
index 0000000..d861049
--- /dev/null
+++ b/app/auth.py
@@ -0,0 +1,77 @@
+import secrets
+from datetime import datetime, timedelta
+
+import bcrypt
+from fastapi import Depends, HTTPException, Request, status
+from sqlalchemy.orm import Session as DbSession
+
+from app.config import settings
+from app.database import get_db
+from app.models import Session, User
+
+SESSION_COOKIE = "session_token"
+
+
+def hash_password(password: str) -> str:
+    return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return bcrypt.checkpw(plain.encode(), hashed.encode())
+
+
+def create_session_token() -> str:
+    return secrets.token_urlsafe(32)
+
+
+def create_user_session(db: DbSession, user: User) -> Session:
+    token = create_session_token()
+    expires_at = datetime.utcnow() + timedelta(hours=settings.session_lifetime_hours)
+    session = Session(user_id=user.id, token=token, expires_at=expires_at)
+    db.add(session)
+    db.commit()
+    db.refresh(session)
+    return session
+
+
+def get_session_by_token(db: DbSession, token: str) -> Session | None:
+    session = db.query(Session).filter(Session.token == token, Session.is_active.is_(True)).first()
+    if not session:
+        return None
+    if session.expires_at < datetime.utcnow():
+        session.is_active = False
+        db.commit()
+        return None
+    return session
+
+
+def get_current_user(request: Request, db: DbSession = Depends(get_db)) -> User:
+    token = request.cookies.get(SESSION_COOKIE)
+    if not token:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Not authenticated")
+    session = get_session_by_token(db, token)
+    if not session:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Session expired")
+    user = db.query(User).filter(User.id == session.user_id).first()
+    if not user:
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found")
+    return user
+
+
+def get_current_user_optional(request: Request, db: DbSession = Depends(get_db)) -> User | None:
+    token = request.cookies.get(SESSION_COOKIE)
+    if not token:
+        return None
+    session = get_session_by_token(db, token)
+    if not session:
+        return None
+    return db.query(User).filter(User.id == session.user_id).first()
+
+
+def verify_api_key(request: Request) -> None:
+    auth = request.headers.get("Authorization", "")
+    if not auth.startswith("Bearer "):
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid API key")
+    key = auth.removeprefix("Bearer ").strip()
+    if not secrets.compare_digest(key, settings.api_key):
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Invalid API key")
diff --git a/app/config.py b/app/config.py
new file mode 100644
index 0000000..496c8a1
--- /dev/null
+++ b/app/config.py
@@ -0,0 +1,14 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    secret_key: str = "change-me-in-production-use-env-var"
+    database_url: str = "sqlite:///./robot_management.db"
+    session_lifetime_hours: int = 24
+    api_key: str = "demo-api-key-change-in-production"
+
+    class Config:
+        env_file = ".env"
+
+
+settings = Settings()
diff --git a/app/database.py b/app/database.py
new file mode 100644
index 0000000..f797dd9
--- /dev/null
+++ b/app/database.py
@@ -0,0 +1,22 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase, sessionmaker
+
+from app.config import settings
+
+engine = create_engine(
+    settings.database_url,
+    connect_args={"check_same_thread": False},
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..eeb7ac8
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,25 @@
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+
+from app.database import Base, engine
+from app.routers import api, web
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    Base.metadata.create_all(bind=engine)
+    yield
+
+
+app = FastAPI(
+    title="Robot Management System",
+    description="Прототип веб-системы управления роботами — личный кабинет и API",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+app.mount("/static", StaticFiles(directory="static"), name="static")
+app.include_router(web.router)
+app.include_router(api.router)