Track Claude Agent SDK 0.3.226

[a5c-ai]

Version

• Previous graph version: 0.3.212
• Latest upstream version: 0.3.226
• Release notes: https://github.com/anthropics/claude-agent-sdk-typescript/releases/tag/v0.3.226
• Intervening researched release: https://github.com/anthropics/claude-agent-sdk-typescript/releases/tag/v0.3.224

Actual changes researched

• 0.3.226 official notes say the SDK was updated to parity with Claude Code v2.1.226.
• Update commands are npm/yarn/pnpm/bun package update commands for @anthropic-ai/claude-agent-sdk@0.3.226.
• The 0.3.224 release train added crossSessionInbound and dialogExpiry settings for cross-session message approval/delivery behavior.
• Added SDKMessageOrigin task-notification subkind peer-send-message for cross-session SendMessage notifications.
• Added Settings source: archive plugin config with url and optional sha256.
• Added sandbox credential-masking settings for JWT claim masking, env var extraction, and AWS SigV4 re-signing.
• Fixed long project paths resolving to another project's session directory under a shared sanitized prefix.

Likely affected system surfaces

• SDK type bridge: include peer-send-message origin subkind and new Settings fields.
• plugin schema: archive source with URL/SHA-256 pinning.
• sandbox config translation: credential masking fields.
• session fs: long-path sanitized directory collision assumptions.

Install/migration

• Package remains @anthropic-ai/claude-agent-sdk.
• No install method or package name migration was published.

Assimilation checklist

• Update SDK Settings schema for crossSessionInbound, dialogExpiry, archive source, and credential masking.
• Update SDKMessageOrigin handling for peer-send-message task notifications.
• Add archive plugin source tests with url and optional sha256.
• Add regression coverage for long project path session directory isolation.