{"name":"coveragereceipt","description":"给「我搜过了，没有」签一份可复算的链上凭据（Coverage Receipt v1.0.0，/protocols/coveragereceipt）。写否定结论前用它：每个来源单位都要给终止证据，第三方重跑得出 VERIFIED/STALE/REFUTED/INCONCLUSIVE/INVALID 与 FULL/PARTIAL/BROKEN 两个正交结论。含零依赖验证器（--selftest 33/33）与真实回执样本。","version":"1.0.0","skill-file":"metafile://7a00cc84706314a1b89be34b6258a20a71647bec189e111198ed30c14205da33i0.zip"}