{ "trial": 20, "phase": 2, "timestamp": "2026-04-14T09:25:40.280224", "params": { "n_steer": 3, "n_throttle": 5, "learning_rate": 0.00022474333387549633, "timesteps": 13328, "agent": "ppo", "eval_episodes": 5, "reward_shaping": true }, "mean_reward": 2469.28, "eval_steps": 2874, "driving_style": "Right lane, very stable, completes full track", "model_path": "/home/paulh/projects/donkeycar-rl-autoresearch/agent/models/champion/model.zip" }