chore(deps): bump ai.koog:koog-agents from 0.6.2 to 0.6.3

[dependabot]

Bumps ai.koog:koog-agents from 0.6.2 to 0.6.3.

Release notes

Sourced from ai.koog:koog-agents's releases.

0.6.3

Improvements

• Streaming reasoning support: Models with reasoning capabilities (like Claude Sonnet 4.5 or GPT-o1) now stream their reasoning process in real-time, allowing you to see how the model thinks through problems as it generates responses (KG-592, #1264)
• LLModel API enhancement: LLM clients now return List<LLModel> instead of List<String> for improved type safety and direct access to model metadata (#1452)
• Multiple event handlers per feature: Features can register multiple handlers for the same event type, enabling more flexible event processing (KG-678, #1446)
• Dependency updates: Updated Kotlin libraries (KG-544, #1475):
  • Kotlin from 2.2.21 to 2.3.10
  • kotlinx-serialization from 1.8.1 to 1.10.0
  • kotlinx-datetime from 0.6.2 to 0.7.1

Bug Fixes

• OpenRouter streaming: Fixed parsing errors when receiving reasoning content from models with reasoning capabilities by adding missing reasoning and reasoningDetails fields to the streaming response (#854)
• ReadFileTool: Fixed incorrect binary file detection for empty files (KG-533, #1340)
• DevstralMedium model: Added missing LLMCapability.Document capability (#1482)
• Ktor integration: Fixed custom timeout values being ignored when configuring LLM providers in application.yaml (KTOR-8881, #807)

Breaking Changes

• Streaming API redesign: Restructured StreamFrame types to distinguish between delta frames (incremental content like TextDelta, ReasoningDelta) and complete frames (full content like TextComplete, ReasoningComplete). Added End frame type to signal stream completion (#1264)
• Kotlin version update: Migrated from Kotlin 2.2.21 to 2.3.10; replaced kotlinx.datetime.Clock/Instant with kotlin.time.Clock/Instant (#1475)
• LLModel API changes: LLMClient.models() now returns List<LLModel> instead of List<String>; LLModel.capabilities and LLModel.contextLength are now nullable (#1452)

Documentation

• Updated documentation for the singleRunStrategy API and AIAgentService class.

Refactoring

• Module restructuring: Moved file-system abstractions (GlobPattern, FileSize, FileSystemEntry, FileSystemEntryBuilders) from agents-ext to rag-base module to reduce transitive dependencies (#1278)

Examples

• Added the ACP (Agent Communication Protocol) agent example project (#1438)

Changelog

Sourced from ai.koog:koog-agents's changelog.

0.6.3

Published 24 February 2026

Improvements

• Streaming reasoning support: Models with reasoning capabilities (like Claude Sonnet 4.5 or GPT-o1) now stream their reasoning process in real-time, allowing you to see how the model thinks through problems as it generates responses (KG-592, #1264)
• LLModel API enhancement: LLM clients now return List<LLModel> instead of List<String> for improved type safety and direct access to model metadata (#1452)
• Multiple event handlers per feature: Features can register multiple handlers for the same event type, enabling more flexible event processing (KG-678, #1446)
• Dependency updates: Updated Kotlin libraries (KG-544, #1475):
  • Kotlin from 2.2.21 to 2.3.10
  • kotlinx-serialization from 1.8.1 to 1.10.0
  • kotlinx-datetime from 0.6.2 to 0.7.1

Bug Fixes

• OpenRouter streaming: Fixed parsing errors when receiving reasoning content from models with reasoning capabilities by adding missing reasoning and reasoningDetails fields to the streaming response (#854)
• ReadFileTool: Fixed incorrect binary file detection for empty files (KG-533, #1340)
• DevstralMedium model: Added missing LLMCapability.Document capability (#1482)
• Ktor integration: Fixed custom timeout values being ignored when configuring LLM providers in application.yaml (KTOR-8881, #807)

Breaking Changes

• Streaming API redesign: Restructured StreamFrame types to distinguish between delta frames (incremental content like TextDelta, ReasoningDelta) and complete frames (full content like TextComplete, ReasoningComplete). Added End frame type to signal stream completion (#1264)
• Kotlin version update: Migrated from Kotlin 2.2.21 to 2.3.10; replaced kotlinx.datetime.Clock/Instant with kotlin.time.Clock/Instant (#1475)
• LLModel API changes: LLMClient.models() now returns List<LLModel> instead of List<String>; LLModel.capabilities and LLModel.contextLength are now nullable (#1452)

Documentation

• Updated documentation for the singleRunStrategy API and AIAgentService class.

Refactoring

• Module restructuring: Moved file-system abstractions (GlobPattern, FileSize, FileSystemEntry, FileSystemEntryBuilders) from agents-ext to rag-base module to reduce transitive dependencies (#1278)

Examples

• Added the ACP (Agent Communication Protocol) agent example project (#1438)

Commits

• b43c80c ci: Update the regex for release branch names
• 182de7f docs: update docs for 0.6.3 release.
• b7381d1 ci: disable fail-fast for Checks (#1539)
• c3d1499 fix(prompt): Fix new streaming API and streaming integration tests (#1527)
• e3b5a18 fix(prompt): Add missing fields to OpenRouter streaming response (#1504)
• 0226a9e feat(prompt)!: Support streaming reasoning messages (#1479)
• 26e3a59 fix(koog-ktor): parsing timeouts configuration (#1505)
• eb4eb80 Removed unused imports from CheckpointsTests.
• bbfd2f4 Updated JVM compiler option and restricted context parameters in callable val...
• f718c46 Removed unused AIAgent-related files from agents-core module.
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Test Results

1 045 tests  ±0   1 045 ✅ ±0   13s ⏱️ -1s
   94 suites ±0       0 💤 ±0 
   94 files   ±0       0 ❌ ±0 

Results for commit 34c9c6b. ± Comparison against base commit ea01275.