{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "eef54830c189a14eea1238b3f61cc31078f2af8312b54dd805556f597b1ecf30",
  "signature": "+Dq1+C+nKldIDDLmjE+zb3GqxsejzRL7XbiPjuzYEuLSA9ILgjuJ+9cIZR/ZT+mK5rTMar9QrE+v35qYYoK/BA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:35:17.298Z",
  "slug": "tdd-companion",
  "version": "1.0.0",
  "filename": "tdd-companion-agent-plugin.zip",
  "bytes": 3451,
  "content_digest": "cc39daef2ef24807e621430d9a89166accaf900990210232565be742d451b8d6",
  "content_signature": "YkZSinXvQfJH/e7YJSRZh44sTpDAl2BIZ9bdicd3SmMbuhvRP4FMq6zba1RkIj5Kzgd29ldeihA+8V+S+CNbCA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "47e421a99f8e3f670a1b4fbd9d1dca6567340cec6f686ca23d1846b90799b305"
    },
    {
      "path": "skills/tdd-companion/SKILL.md",
      "sha256": "fd5ae5cbc20930771a31509288881d65c50ceac63a8b4d518394612c3f735dfd"
    }
  ],
  "verify": {
    "public_key_url": "https://superagentskill.com/api/public/signing-key.pem",
    "instructions": "sha256 the downloaded .zip, compare with `sha256`, then verify the base64 `signature` as an Ed25519 signature over the ascii sha256 hex string using the public key. An extracted or repacked copy can still be verified via `content_digest` / `content_signature`. Helper: node scripts/verify-package-signature.mjs <file.zip> <signature.json> [public-key.pem]"
  }
}