Update project configuration and documentation for Reference Board Viewer. Add .direnv support for environment management, enhance README with quick start instructions, and update flake.nix with additional dependencies including pydantic-settings and bcrypt. Introduce quick-start.sh and test-auth.sh scripts for streamlined setup and authentication testing. Remove obsolete planning and task documents to clean up the repository.

backend/app/api/auth.py

@@ -47,7 +47,7 @@ def register_user(user_data: UserCreate, db: Session = Depends(get_db)):
     # Create user
     user = repo.create_user(email=user_data.email, password=user_data.password)
     
-    return UserResponse.from_orm(user)
+    return UserResponse.model_validate(user)
 
 
 @router.post("/login", response_model=TokenResponse)
@@ -91,7 +91,7 @@ def login_user(login_data: UserLogin, db: Session = Depends(get_db)):
     return TokenResponse(
         access_token=access_token,
         token_type="bearer",
-        user=UserResponse.from_orm(user)
+        user=UserResponse.model_validate(user)
     )
 
 
@@ -106,5 +106,5 @@ def get_current_user_info(current_user: User = Depends(get_current_user)):
     Returns:
         Current user information
     """
-    return UserResponse.from_orm(current_user)
+    return UserResponse.model_validate(current_user)