Covers
jinjunnn/alpha-work#9：Claude Code 插件从 producer-owned、版本化 Alpha contract artifact 生成/校验 client，不复制手写 wire types。
Boundary
Plugin contract dependency/generation、consumer compile/fixture CI、unknown-version policy 和 docs。
Out of scope
在插件仓定义平台业务 schema；旧 payload 双读；release manifest、artifact registry 各自由 alpha-work#11/#2 持有。
Design notes and risks
生成产物必须可追溯版本/digest；producer breaking change 必须先使 consumer CI 失败；未来未知版本 fail closed。
Exit condition
Merged PR + generated-client drift check + consumer fixtures + docs handled。
Parent
Refs jinjunnn/alpha-work#9
Covers
jinjunnn/alpha-work#9：Claude Code 插件从 producer-owned、版本化 Alpha contract artifact 生成/校验 client，不复制手写 wire types。Boundary
Plugin contract dependency/generation、consumer compile/fixture CI、unknown-version policy 和 docs。
Out of scope
在插件仓定义平台业务 schema；旧 payload 双读；release manifest、artifact registry 各自由
alpha-work#11/#2持有。Design notes and risks
生成产物必须可追溯版本/digest；producer breaking change 必须先使 consumer CI 失败；未来未知版本 fail closed。
Exit condition
Merged PR + generated-client drift check + consumer fixtures + docs handled。
Parent
Refs jinjunnn/alpha-work#9