[BUG] crash when audio_frame sent but no recv

[wangyoucao577]

Description

app crash when audio_frame sent but no recv.

ten_framework/core/src/ten_runtime/extension/extension.c

Line 454 in 0188c96

*result_return_policy = msg_dest_info->policy;

https://github.com/TEN-framework/TEN-Agent/blob/320d43c025e6029c49202f35212c6828ec32a282/agents/property.json#L1761

Environment

linux

Steps to reproduce

1. run TEN-Agent graph camera_va_openai_azure
2. app crashs

Expected behavior

work as normal. msg should be drop silently if no one cares.

Actual behavior

crash

Version

0.4.0

Severity

Critical

Additional Information

Workaround to avoid the crash: TEN-framework/TEN-Agent@448279b