ci(changesets): version packages

[voltagent-bot]

This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

Releases

@voltagent/core@0.1.85

Patch Changes

• #522 cba72d0 Thanks @omeraplak! - fix: sub-agent stream error handling and propagation - [BUG] SubAgent handoff returns success with empty response when sub-agent emits error in fullStream #521

  What Changed

  Fixed a critical issue where sub-agent stream errors were incorrectly reported as successful operations with empty responses. Supervisors now properly detect and handle sub-agent failures with configurable error handling behavior.

  The Problem (Before)

  When a sub-agent's streamText encountered an error event:

  • ❌ Supervisor received status: "success" with empty response
  • ❌ No way to distinguish between empty success and failure
  • ❌ Error details were lost, making debugging difficult
  • ❌ Supervisors would continue as if the operation succeeded

  // Before: Sub-agent fails but supervisor doesn't know
  const result = await subAgentManager.handoffTask({
    task: "Process data",
    targetAgent: failingAgent,
  });
  
  // result.status === "success" (WRONG!)
  // result.result === "" (No error info)

  The Solution (After)

  Sub-agent errors are now properly detected and reported:

  • ✅ Stream errors return status: "error" with error details
  • ✅ Error messages included in responses (configurable)
  • ✅ Partial content preserved when errors occur after text generation
  • ✅ New configuration options for flexible error handling

  // After: Proper error detection and handling
  const result = await subAgentManager.handoffTask({
    task: "Process data",
    targetAgent: failingAgent,
  });
  
  // result.status === "error" (CORRECT!)
  // result.result === "Error in FailingAgent: Stream processing failed"
  // result.error === Error object with full details

  New Configuration Options

  Added SupervisorConfig options for customizable error handling:

  const supervisor = new Agent({
    name: "Supervisor",
    subAgents: [agent1, agent2],
    supervisorConfig: {
      // Throw exceptions on stream errors instead of returning error results
      throwOnStreamError: false, // default: false
  
      // Include error messages in empty responses
      includeErrorInEmptyResponse: true, // default: true
  
      // Custom guidelines for error handling
      customGuidelines: ["When a sub-agent fails, provide alternative solutions"],
    },
  });

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