{
  "id": "agentVersion:claude-agent-sdk:0-3-206",
  "_kind": "AgentVersion",
  "_file": "agent-stack/agent-versions/upstream-current-2026-07-10.yaml",
  "_cluster": "agent-stack",
  "attributes": {
    "agentId": "claude-agent-sdk",
    "agentProductId": "agent:claude-agent-sdk",
    "displayName": "Claude Agent SDK 0.3.206",
    "runtimeFamily": "sdk",
    "releaseChannel": "stable",
    "versionRange": "0.3.206",
    "currentVersion": "0.3.206",
    "releasedAt": "2026-07-10",
    "sourcePackage": "@anthropic-ai/claude-agent-sdk",
    "upstreamReleaseTag": "v0.3.206",
    "releaseNotesUrl": "https://github.com/anthropics/claude-agent-sdk-typescript/releases/tag/v0.3.206",
    "summary": "Claude Agent SDK TypeScript release adding command_lifecycle stream-json and SDK session frames for uuid-stamped message terminal states.",
    "assimilationNotes": [
      "Latest npm moved from recorded 0.3.205 to 0.3.206.",
      "New command_lifecycle frames report queued, started, completed, cancelled, and discarded terminal states for uuid-stamped messages.",
      "Stream-json and SDK session consumers need schema support for command_lifecycle events.",
      "Zero-API results no longer report stale duration_api_ms.",
      "No package-name or transport migration was published; versioned npm, yarn, pnpm, and bun update commands remain the documented path."
    ],
    "releaseHighlights": [
      "command_lifecycle event frames.",
      "Terminal state reporting for uuid-stamped messages.",
      "duration_api_ms stale-value fix for zero-API results."
    ],
    "installMethods": [
      "install:npm"
    ]
  },
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    },
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      "to": "install:npm",
      "kind": "installed_via"
    }
  ],
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}