Description of onnxRuntimeGenAI.QNN Long-Term Inference Output Anomaly Issue

[suki-lqh]

Bug Description and Reproduction

Describe the Bug

After long-term inference using onnxRuntimeGenAI.QNN, nonsensical output or repeated punctuation may occur.
EnableCaching has been disabled during initialization:

var options = new OnnxRuntimeGenAIChatClientOptions  
{  
    StopSequences = Array.Empty<string>(),  
    PromptFormatter = TestPromptFormatter,  
    EnableCaching = false  
};  

To Reproduce

Steps to reproduce the issue:

1. Initialize the model
2. Repeat the inference process (Start inference → Wait for inference to end → Start inference)

Expected behavior

Normal inference output.

Desktop (please complete the following information)

• OS: Windows 11 Home 25H2 26200.6588
• OnnxRuntimeGenAI.QNN: 0.10.0
• NPU Driver: 30.0.140.1000/30.0.145.1000

Additional Context

Add any other relevant information about the issue here.