Initial commit: Leopost Full — merge di Leopost, Post Generator e Autopilot OS

- Backend FastAPI con multi-LLM (Claude/OpenAI/Gemini)
- Publishing su Facebook, Instagram, YouTube, TikTok
- Calendario editoriale con awareness levels (PAS, AIDA, BAB...)
- Design system Editorial Fresh (Fraunces + DM Sans)
- Scheduler automatico, gestione commenti AI, affiliate links

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/auth.py

@@ -0,0 +1,60 @@
+from datetime import datetime, timedelta
+
+import bcrypt
+from fastapi import APIRouter, Depends, HTTPException
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from sqlalchemy.orm import Session
+
+from .config import settings
+from .database import get_db
+from .models import User
+from .schemas import LoginRequest, Token
+
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+
+def hash_password(password: str) -> str:
+    return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return bcrypt.checkpw(plain.encode("utf-8"), hashed.encode("utf-8"))
+
+
+def create_access_token(data: dict) -> str:
+    to_encode = data.copy()
+    expire = datetime.utcnow() + timedelta(minutes=settings.access_token_expire_minutes)
+    to_encode.update({"exp": expire})
+    return jwt.encode(to_encode, settings.secret_key, algorithm="HS256")
+
+
+def get_current_user(
+    token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)
+) -> User:
+    try:
+        payload = jwt.decode(token, settings.secret_key, algorithms=["HS256"])
+        username: str = payload.get("sub")
+        if username is None:
+            raise HTTPException(status_code=401, detail="Invalid token")
+    except JWTError:
+        raise HTTPException(status_code=401, detail="Invalid token")
+    user = db.query(User).filter(User.username == username).first()
+    if user is None:
+        raise HTTPException(status_code=401, detail="User not found")
+    return user
+
+
+@router.post("/login", response_model=Token)
+def login(request: LoginRequest, db: Session = Depends(get_db)):
+    user = db.query(User).filter(User.username == request.username).first()
+    if not user or not verify_password(request.password, user.hashed_password):
+        raise HTTPException(status_code=401, detail="Invalid credentials")
+    token = create_access_token({"sub": user.username})
+    return Token(access_token=token)
+
+
+@router.get("/me")
+def me(user: User = Depends(get_current_user)):
+    return {"username": user.username}