スペースの取得
curl -X GET "https://example.com/spaces/string"{ "aliases": [ "string" ], "defaultRetrievalMode": "strict", "description": "string", "hasProfile": true, "icon": "string", "id": "string", "instructions": "string", "key": "string", "name": "string", "observed": false, "sharedSpaceIds": [ "string" ], "usage": { "hasWorkingMemory": false, "memories": 0, "sources": 0, "threads": 0 }}