... [chapter] deterministic

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Personalization with AI Personalization tailors experiences to individual users based on preferences and behavior. Store profiles and inject context into prompts.

```python def build_personalized_prompt(user_input: str, user_profile: dict) -> str: return f"""You are a helpful . Answer the following question concisely: {user_input} User profile: {user_profile} """

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JWT Authentication Secure your AI endpoints using JSON Web Tokens. Install djangorestframework-simplejwt.

```bash pip install djangorestframework-simplejwt

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Add authentication to views:

```python from rest_framework.permissions import IsAuthenticated from rest_framework.authentication import TokenAuthentication class ChatMessageView(APIView): authentication_classes = [TokenAuthentication] permission_classes = [IsAuthenticated]