{
  "id": "agentVersion:claude-agent-sdk:0-3-212",
  "_kind": "AgentVersion",
  "_file": "agent-stack/agent-versions/upstream-current-2026-07-17.yaml",
  "_cluster": "agent-stack",
  "attributes": {
    "agentId": "claude-agent-sdk",
    "agentProductId": "agent:claude-agent-sdk",
    "displayName": "Claude Agent SDK 0.3.212",
    "runtimeFamily": "sdk",
    "releaseChannel": "stable",
    "versionRange": "0.3.212",
    "currentVersion": "0.3.212",
    "releasedAt": "2026-07-17",
    "sourcePackage": "@anthropic-ai/claude-agent-sdk",
    "upstreamReleaseTag": "v0.3.212",
    "releaseNotesUrl": "https://github.com/anthropics/claude-agent-sdk-typescript/releases/tag/v0.3.212",
    "summary": "Claude Agent SDK TypeScript release fixing dash-leading session argv handling and including resolved model information after mid-turn subagent model swaps.",
    "assimilationNotes": [
      "Latest npm moved from recorded 0.3.209 to 0.3.212.",
      "Dash-leading resumeSessionAt and sessionId values now pass to the CLI with equals-form flags, affecting SDK launch argument serialization.",
      "Agent tool output now includes the resolved model when a mid-turn model swap changed the subagent model, affecting transcript/tool-output schema expectations.",
      "Official update commands remain npm, yarn, pnpm, and bun package upgrade commands for @anthropic-ai/claude-agent-sdk@0.3.212."
    ],
    "releaseHighlights": [
      "Equals-form argv for dash-leading resumeSessionAt and sessionId values.",
      "Resolved model included in agent tool output after mid-turn subagent model swaps."
    ],
    "installMethods": [
      "install:npm"
    ]
  },
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      "kind": "sourced_from"
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      "to": "install:npm",
      "kind": "installed_via"
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}