refactor(agents): KG-815. Tool agent event context carries the original exception#1918
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refactor(agents): KG-815. Tool agent event context carries the original exception#1918
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…al exception - Tool agent event context contains a serializable AIAgentError instance. This type hides important details about an exception, e.g., the exact type of the exception. Replaced this serializable type with a Throwable instead and transform to AIAgentError when needed; - Renamed `throwable` to `error` on Agent/Node/Subgraph failed contexts and pipeline parameters for consistency across lifecycle events; - Switched `onToolValidationFailed` and `onToolCallFailed` pipeline signatures to accept Throwable; - Added a custom serializer for ToolResultKind.Failure / ValidationError that encodes a Throwable through AIAgentError, preserving the existing JSON wire format; - Updated OpenTelemetry span and metric helpers to take Throwable directly, fixing a latent `error.type` attribute that always reported AIAgentError as the exception class; - Restored disabled annotation for Debugger tests.
Rizzen
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May 1, 2026
EugeneTheDev
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May 1, 2026
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throwabletoerroron Agent/Node/Subgraph failed contexts and pipeline parameters for consistency across lifecycle events;onToolValidationFailedandonToolCallFailedpipeline signatures to accept Throwable;error.typeattribute that always reported AIAgentError as the exception class;closes: KG-815