Give your AI
permanent memory

import { MemoryClient } from '@memra-client/client'

const memory = new MemoryClient({ apiKey: process.env.MEMRA_KEY })

export async function chat(userId: string, userMessage: string) {
  // Get relevant past context
  const { context } = await memory.getContext(userId, userMessage)

  // Memory goes in system prompt — NOT in the user message
  // This tells the AI what the context is and how to use it
  const systemPrompt = context.length > 0
    ? `You are a helpful assistant with memory of past conversations.
Here is what you remember:
${context.map((m, i) => `${i + 1}. [${m.role}]: ${m.content}`).join('\n')}
Use this memory to give personalized responses.`
    : `You are a helpful assistant.`

  // Your AI call — works with any provider
  const reply = await openai.chat.completions.create({
    model: 'gpt-4o',
    messages: [
      { role: 'system', content: systemPrompt },
      { role: 'user',   content: userMessage  },
    ],
  })

  // Save to memory
  await memory.save(userId, userMessage, reply.choices[0].message.content ?? '')

  return reply
}