curl --request GET \
  --url http://localhost:8080/api/workspaces/{id}/sessions/{session_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "workspace_id": "<string>",
  "task_id": "<string>",
  "task_run_id": "<string>",
  "session_name": "<string>",
  "status": "<string>",
  "runner_pid": 123,
  "exit_code": 123,
  "error_message": "<string>",
  "line_count": 123,
  "last_activity_at": "<string>",
  "started_at": "<string>",
  "finished_at": "<string>",
  "duration": 123,
  "keep_status": false,
  "worktree_path": "<string>",
  "claude_session_id": "<string>",
  "attempt_number": 123,
  "task_title": "<string>"
}