docs: design-18 舰队即线路数据库(平台脊柱:从纳管到订阅) - #7
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…doption to subscription) From the operator directive 2026-08-12: the sing-box fleet is one abstract database, read through the server projection and written through planned, approved tasks; extensions declare dependencies and pre-apply checks; the chain graph and the subscription layer follow as views over the same rows. Decision registry: projection-only reads (D1); identity in the sidecar, not in-config _lattice (D2, reaffirms design-15 §4.4); extension contract v2.1 with dependencies + preflight (D3); greenfield install from our sing-box fork (D4); chain builder over line descriptors with declared edges (D5); runtime doctrine — platform paths pure Go, QuickJS for user scripts only, no Node anywhere (D6); performance doctrine for many small nodes (D7); subscriptions as a view over the database (D8). Slices E1-E5 sequence the gaps to the sub-store endpoint; design-17 S1/S2 remains the in-flight first citizen of the line database.
The dependency contract is enforced at load and activation; per-plugin manifest declarations ride each plugin's next signed release with a compatibility.server floor bump (strict decode requires a18+).
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立意
把 2026-08-12 的运营商愿景落成架构:散布在各 VPS 上的 sing-box 就是一个抽象数据库——不做外部注册,只通过 Lattice 自有的元数据读写它。框架(L0)→ 扩展(L1)→ 节点生命周期(L2)→ 线路数据库投影(L3)→ 链式图谱(L4)→ 订阅组合(L5),每层都是下层数据的视图。
关键裁决
_lattice(sing-box 严格解析未知键;重申 design-15 §4.4)——下划线字段的直觉以更安全的形式保留切片
E1 扩展合同 → E2 绿地安装 → E3 链式构建(依赖 design-17 S2)→ E4 jump_edges+拓扑 → E5 舰队订阅流(可并行起步)。
与 design-17(#6)关系:托管线路覆盖层是线路数据库的第一个公民,两文档互补无冲突。