wonder 4dfe3de9f3 docs: restructure xinfra deck, add requirements and features sections ...

- Remove 名词概述 and 架构描述 sections
- Add 需求与边界 section: system boundaries, user stories, key decisions
- Add 关键功能 section: resource management, service delivery, subsystem features
- Update table of contents and section numbering (4 sections total)

2026-07-17 17:57:29 +08:00

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slides.md

docs: restructure xinfra deck, add requirements and features sections

2026-07-17 17:57:29 +08:00