0.120.0

0.120.0 (2026-07-24)

Full Changelog: v0.119.0...v0.120.0

Features

• api: add claude-opus-5 model (bf4e31c)
• api: add tool addition/removal blocks and tool_change events (bf4e31c)
• api: expand client-side fallback credit token types and add server-side fallbacks default option (bf4e31c)