Debugger fails when state-changes lack account information

[dragmz]

Summary:
The debugger (algokit-avm-vscode-debugger v1.1.6) encounters an issue when processing state-changes objects, specifically with app-state-type == "l" but lack associated account data (e.g., when apat is missing). The debugger will fail to launch and instead throws an error:

Cannot read properties of undefined (reading 'toString')

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Example state-changes object:

{
  "pc": 1829,
  "stack-pop-count": 3,
  "state-changes": [
    {
      "app-state-type": "l",
      "key": "dG90YWxfZmVlX3NoYXJl",
      "operation": "w"
    }
  ]
}

This error can be seen in the screenshot below:

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Additional info:

• The debugger should ideally be able to launch even if the state change is missing account data.
• Reference code location: traceReplayEngine.ts#L162

Steps to reproduce:

1. Attempt to start the debugger for the attached trace file
2. Observe that it fails with the error above.

Expected result:
The debugger should launch successfully—even if the state-change lacks account info—and handle missing fields gracefully.

---

debug.avm.trace.json