sdk: v0.129.0

Anthropic TypeScript SDK releases published sdk: v0.129.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 0.129.0 (2026-09-28) Full Changelog: sdk-v0.128.0...sdk-v0.129.0 Features api: add between tools thinking type ( ab51075 ) api: add claude-sonnet-5-5 ( 4e77366 ) api: add ClientToolUnion type for client-executed tools ( 2c1d2d7 ) api: add include inherited and source to workspace rate limits ( 66e925e ) api: add typed event type values to the Managed Agents events list filter ( 8ac4a26 ) api: cache diagnostics GA — diagnostics on Message / MessageCreateParams ( 5ba5f29 ) tools: optionally start tool calls while the reply streams ( 083969b ) Bug Fixes client: also send X-Stainless-Timeout for client-level timeouts ( b84783b ) client: send upload filenames as given, with no placeholder ( f9d3e98 ) helpers: degrade between tools thinking to disabled on fallback hops ( 841 ) ( edbbf05 ) internal: let bundlers drop unused classes with more than ten private-member assignments ( 67c7adb )…

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