docs(docs): 新增 0020 Portal Shell 架构文档(C4+4+1+ADR) + 设计 spec v2.1 + 更新 0010/004 指向新架构

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SpecialX
2026-07-14 18:34:40 +08:00
parent 9db7fd917e
commit 0b858d9069
4 changed files with 2964 additions and 309 deletions

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