WIP: 重构 Direct 交付合同与租约机制 #608

Draft

lhk229 wants to merge 1 commits from contract-lease-refactor into master

Author	SHA1	Message	Date
lhk229	bee7ffcc07	记录 Direct 合同与租约重构方向 Project CI / Native shell tests (pull_request) Has been cancelled Details Project CI / Frontend tests (pull_request) Has been cancelled Details Project CI / Repository checks (pull_request) Has been cancelled Details Project CI / AI game creator shell web tests (pull_request) Has been cancelled Details Project CI / AI game creator shell Rust lane 1/2 (pull_request) Has been cancelled Details Project CI / AI game creator shell Rust crates (pull_request) Has been cancelled Details Project CI / Backend tests (pull_request) Has been cancelled Details Project CI / AI game creator shell Rust lane 2/2 (pull_request) Has been cancelled Details 新增合同与租约重构草稿里程碑，关联 #518 与 #529 明确操作失败不触发全局排空，保留回合生命周期、时间和并发控制记录合同方案、持久化兼容与后续验收的待定边界	2026-10-03 14:19:58 +01:00