harness 4

• PENGYI_HARNESS_MAP000: Harness 总览 - Agent / Research / Quant / Tool / Memory / Product 六类 Harness Jul 1, 2026
• NEETCODE007: Coding Interview Execution OS Jul 1, 2026
• MLRL005: Quant / Agent / LLM 里的 ML-RL 统一视角 Jul 1, 2026
• MLRL004: RLHF / Agent Training Jul 1, 2026