afe2894c35
- Remove section 一 (all 54 defects fixed and committed) - Deepen section 二: each architecture problem now shows '已解决' vs '仍存在' vs '架构级方案' - Update section 三: mark 7 completed needs (N1/N2/N6/N15/N16/N17/N25), refine remaining 19 - Update roadmap: 4 phases with architecture improvement suggestions per phase