chore(main): release 1.54.0

[release-please]

🤖 I have created a release beep boop

1.54.0 (2026-05-12)

⚠ BREAKING CHANGES

• Rename SSE events to interaction.created and interaction.completed

Features

• Add gemini-3.1-flash-lite to model options (2803585)
• Add more details to the ApiResponse error message (c429c2b)
• Add parameters to video response_format. (c94e371)
• add steps for interactions (9b9d164)
• Added missing FunctionCallResultDelta type and arguments field to the ArgumentDelta type (6fa4262)
• Deprecate legacy response_format and publish new polymorphic field. (31e8d74)
• Introduce Server Side tools deltas (67875e6)
• Rename SSE events to interaction.created and interaction.completed (711a503)
• support Blocking FunctionCall in Live API in AgentPlatform (Vertex) (0d1cc9c)
• support speech to speech translation in Gemini Live (8f82c6e)

Bug Fixes

• Disambiguate responseFormat call in Java example (131c210)
• Steps is not optional (642ad10)
• Update response_format field names to snake_case. (bf838ab)

Documentation

• Add javadoc for interactions.{services,models,errors}, switch to mvn dokka:dokka. (76cb365)

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