langchain4j

fix: fall back to exception class name when tool error has no message (#5088)

fix: read ReturnBehavior from ToolServiceContext in streaming handler (#5078)

Fix flaky OpenAiResponsesChatModelThinkingIT.should_return_reasoning_summary (#5076)

OpenAI Official: improve error handling for streaming model

Update versions to 1.15.0-SNAPSHOT and 1.15.0-beta25-SNAPSHOT