stagehand-python@4.2.0a0.dev1526: Claimed 2987 Improve Python SDK type checking with ty ( 2992)

Browserbase Stagehand releases published stagehand-python@4.2.0a0.dev1526: Claimed 2987 Improve Python SDK type checking with ty ( 2992). This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Mirrored from external contributor PR 2987 after approval by @miguelg719 . Original author: @antonvishal Original PR: 2987 Approved source head SHA: ff8d7771e96c597b1adbcf7819fbe179b84d640a @antonvishal , please continue any follow-up discussion on this mirrored PR. When the external PR gets new commits, this same internal PR will be marked stale until the latest external commit is approved and refreshed here. Original description Why The Python SDK excluded generated models from ty, leaving schema-to-Python typing errors undetected. Upgrading to ty 0.0.82 also exposed type errors in Chrome process handling. Since generated models ship as part of the typed SDK, these issues can affect downstream type checking. What Upgrade and pin ty to 0.0.82, include generated Python in its checks, and enable selected stricter rules. Generate validated model factories for dictionary defaults typed as…

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• Check compatibility, migration, and security notes against your current agent stack.
• Run focused regression tests before production rollout.