Retrieve span

This endpoint retrieves the complete object for a single log within a dataset, including all prompt/completion text and metadata. ## Authentication - JWT: `Authorization: Bearer ` Request example: ```bash GET /api/datasets/{dataset_id}/logs/{log_id}/ ``` Response (200 OK): ```json { "id": "888d342383e844e185e9cd80b63e4eb1", "organization_id": "8264a3f4-40c7-476a-97d1-96908127ea21", "organization_key_id": "h5vo0ju3.sha512$$...", "environment": "prod", "timestamp": "2025-10-06T02:17:58.639822Z", "start_time": "2025-10-06T02:17:58.639822Z", "prompt_id": "", "prompt_name": "", "trace_unique_id": "", "customer_identifier": "test_customer_identifier", "thread_identifier": "thread_id_num_1", "custom_identifier": "", "unique_organization_id": "8264a3f4-40c7-476a-97d1-96908127ea21", "log_type": "text", "prompt_tokens": 415, "completion_tokens": 12, "total_request_tokens": 427, "cost": 0.0002285, "model": "gpt-3.5-turbo", "latency": 0.451, "tokens_per_second": 26.60753880266075, "time_to_first_token": 0.29, "routing_time": 0.0, "status_code": 200, "status": "success", "blurred": false, "metadata": { "call_id": "thread_id_num_1", "agent_id": "agent_5b91562cab41dd0038499773c6", "provider": "azure_openai", "use_case": "response" }, "system": "## Identity\nYou are Jordan, a helpful dispatcher...", "prompt": "Full prompt text here...", "completion": "Full completion text here...", "messages": [...], "dataset_id": "6dee217e-18c6-468e-ab6d-7b97e2115752" } ``` Errors: - 401 Unauthorized — Missing/invalid authentication - 404 Not Found — Log not found in the dataset or dataset not found Notes: - This endpoint returns the complete log object, including full prompt and completion text - The endpoint uses JWT authentication (not API key)