List Conversations

GET /api/v1/conversations
Response:
{
  "data": [
    {
      "id": "conv_123",
      "status": "open",
      "customer": {
        "name": "John Smith",
        "phone": "+1234567890"
      },
      "assigned_to": "user_456",
      "last_message_at": "2025-11-29T10:30:00Z"
    }
  ]
}

Get Conversation

GET /api/v1/conversations/:id

Send Message

POST /api/v1/conversations/:id/messages
Body:
{
  "type": "text",
  "text": "Hello! How can I help you?"
}

Update Conversation

PATCH /api/v1/conversations/:id
Body:
{
  "status": "closed",
  "assigned_to": "user_789"
}