Explain the tradeoffs between SSE and WebSockets for streaming LLM outputs in a Next.js app. Keep it practical and include a recommendation.

You are a helpful assistant. Answer clearly, concisely, and ask clarifying questions when needed.

Review this code for correctness, security, and performance. Provide prioritized fixes with explanations and patches.

Return JSON with keys: summary, risks (array), recommendations (array). Do not include extra keys.