curl --request POST \
  --url https://your-instance.example.com/api/ai/prompt-assistant/stream \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "instruction": "Tighten the tone — make it more concise and less salesy.",
  "currentPrompt": "<prompt><role>Leasing assistant</role><goal>Convert leads into tours.</goal></prompt>",
  "conversationHistory": [
    {
      "role": "user",
      "content": "It feels a bit pushy."
    },
    {
      "role": "assistant",
      "content": "Got it — what tone would you like instead?"
    }
  ],
  "assistedMode": true,
  "modelOverride": {
    "provider": "anthropic",
    "model": "claude-sonnet-4-6"
  }
}
'

{
  "type": "assistant-delta",
  "delta": "Sure — I can tighten that up for you."
}