列出咏唱引擎会话

GET /v1/agents/sessions

curl "https://agent.ariacompute.cn/v1/agents/sessions?limit=20" \
  -H "Authorization: Bearer $ARIA_AGENT_KEY"

{
  "object": "list",
  "data": [
    {
      "id": "sess_9f8e7d6c5b4a3210fedc",
      "object": "agent.session",
      "agent": {
        "id": "agent_01a2b3c4d5e6f7890abc",
        "name": "SupportBot",
        "reasoning": {},
        "multi_agent": { "enabled": false },
        "service_tier": "auto"
      },
      "status": "idle",
      "created_at": 1740000000000
    }
  ],
  "has_more": false
}