fix: fix voice interupt

.env.example

@@ -20,6 +20,10 @@ CUSTOM_ASR_OUTPUT_LANGUAGE=zh
 CUSTOM_ASR_HOTWORDS=
 CUSTOM_ASR_ITN=
 CUSTOM_ASR_CHUNK_MODE=
+# Force a user turn if VAD/ASR never reaches end-of-speech. Set 0 to disable.
+CUSTOM_ASR_MAX_SPEECH_DURATION=12
+# Keep false if forced ASR turns should reply even while input audio continues.
+CUSTOM_ALLOW_INTERRUPTION_DURING_FORCED_ASR=false
 
 # LLM backend: openai/openai-compatible, hermes_gateway/openclaw, or beaver.
 # Defaults come from CUSTOM_AGENT_PROFILE. Uncomment to override.