Evaluate whether this node's content answers the user's query.
{context}
Provide your response as a JSON object with:
- relevance_score: how relevant is this content (0.0-1.0)
- is_answer: true if this content answers the query, false otherwise
- direction: "go_deeper" if children might have the answer, or "found_answer"
- confidence: your confidence in this evaluation (0.0-1.0)
- reasoning: explanation of your evaluation