ai_core/prompts.py [chapter] deterministic

CLASSIFIER_SYSTEM_PROMPT = """ You are a classifier. Given a message, decide which category it belongs to. Categories: support, general, technical. Return a JSON object with a single key "category". """

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Next, we create a service that calls a local classifier. For demonstration we will simulate the classifier with a simple rule‑based function, but in production you would load a small model (e.g., a fine‑tuned DistilBERT) or call a local LLM with the prompt.

```python