Update dependency ai.koog:koog-agents to v0.5.0 - autoclosed

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This PR contains the following updates:

Package	Change	Age	Confidence
ai.koog:koog-agents	0.4.3-develop-20250927-0204 -> 0.5.0

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Release Notes

JetBrains/koog (ai.koog:koog-agents)

v0.5.0

Published 2 Oct 2025

Major Features

• Full Agent-to-Agent (A2A) Protocol Support:
  • Multiplatform Kotlin A2A SDK: Including server and client with JSON-RPC HTTP support.
  • A2A Agent Feature: seamlessly integrate A2A in your Koog agents
• Non-Graph API for Strategies: Introduced non-graph API for creating AI Agent strategies as Kotlin extension
  functions with most of Koog's features supported (#​560)
• Agent Persistence and Checkpointing:
  • Roll back Tool Side-Effects: Add RollbackToolRegistry in the Persistence feature in order to roll back
    tool calls with side effects when checkpointing.
  • State-Machine Persistence / Message History Switch: Support switching between full state-machine persistence
    and message history persistence (#​856)
• Tool API Improvements:
  • Make ToolDescriptor auto-generated for class-based tools (#​791)
  • Get rid of ToolArgs and ToolResult limitations for Tool<*, *> class (#​791)
• subgraphWithTask Simplification: Get rid of required finishTool and support tools as functions in
  subgraphWithTask, deduce final step automatically by data class (#​791)
• AIAgentService Introduced: Make AIAgent state-manageable and single-run explicitly, introduce AIAgentService
  to manage multiple uniform running agents.
• New components:
  • Add LLM as a Judge component (#​866)
  • Tool Calling loop with Structured Output strategy (#​829)

Improvements

• Make Koog-based tools exportable via MCP server (KG-388)
• Add additionalProperties to LLM clients in order to support custom LLM configurations (#​836)
• Allow adjusting context window sizes for Ollama dynamically (#​883)
• Refactor streaming api to support tool calls (#​747)
• Provide an ability to collect and send a list of nodes and edges out of AIAgentStrategy to the client when running
  an agent (KG-160)
• Add excludedProperties to inline createJsonStructure too, update KDocs (#​826)
• Refactor binary attachment handling and introduce Base64 serializer (#​838)
• In JsonStructuredData.defaultJson instance rename class discriminator
  from #type to kind to align with common practices (#​772, KG-384)
• Make standard json generator default when creating JsonStructuredData
  (it was basic before) (#​772, KG-384)
• Add default audio configuration and modalities (#​817)
• Add GptAudio model in OpenAI client (#​818)
• Allow re-running of finished agents that have Persistence feature installed (#​828, KG-193)
• Allow ideomatic node transformations with .transform { ...} lambda function (#​684)
• Add ability to filter messages for every agent feature (KG-376)
• Add support for trace-level attributes in Langfuse integration (#​860, KG-427)
• Keep all system messages when compressing message history of the agent(#​857)
• Add support for Anthropic's Sonnet 4.5 model in Anthropic/Bedrock providers (#​885)
• Refactored LLM client auto-configuration in Spring Boot integration, to modular provider-specific classes with
  improved validation and security (#​886)
• Add LLM Streaming agent events (KG-148)

Bug Fixes

• Fix broken Anthropic models support via Amazon Bedrock (#​789)
• Make AIAgentStorageKey in agent storage actually unique by removing data modifier (#​825)
• Fix rerun for agents with Persistence (#​828, KG-193)
• Update mcp version to 0.7.2 with fix for Android target (#​835)
• Do not include an empty system message in Anthropic request (#​887, KG-317)
• Use maxTokens from params in Google models (#​734)
• Fix finishReason nullability (#​771)

Deprecations

• Rename agent interceptors in EventHandler and related feature events (KG-376)
• Deprecate concurrent unsafe AIAgent.asTool in favor of AIAgentService.createAgentTool (#​873)
• Rename Persistency to Persistence everywhere (#​896)
• Add agentId argument to all Persistence methods instead of persistencyId class field (#​904)

Examples

• Add a basic code-agent example (#​808, KG-227)
• Add iOS and Web targets for demo-compose-app (#​779, #​780)

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