second commit, before making function of memory in api query

stt.py

@@ -34,12 +34,13 @@ class SpeechRecognizer:
         )
         print("✅ Модель Vosk загружена")
     
-    def listen(self, timeout_seconds: float = 5.0) -> str:
+    def listen(self, timeout_seconds: float = 5.0, detection_timeout: float = None) -> str:
         """
         Listen to microphone and transcribe speech.
         
         Args:
             timeout_seconds: Maximum time to listen for speech
+            detection_timeout: Time to wait for speech to start. If None, uses timeout_seconds.
             
         Returns:
             Transcribed text from speech
@@ -53,10 +54,13 @@ class SpeechRecognizer:
         self.recognizer = KaldiRecognizer(self.model, SAMPLE_RATE)
         
         frames_to_read = int(SAMPLE_RATE * timeout_seconds / 4096)
+        detection_frames = int(SAMPLE_RATE * detection_timeout / 4096) if detection_timeout else frames_to_read
+        
         silence_frames = 0
         max_silence_frames = 10  # About 2.5 seconds of silence
+        speech_started = False
         
-        for _ in range(frames_to_read):
+        for i in range(frames_to_read):
             data = self.stream.read(4096, exception_on_overflow=False)
             
             if self.recognizer.AcceptWaveform(data):
@@ -71,9 +75,14 @@ class SpeechRecognizer:
                 partial = json.loads(self.recognizer.PartialResult())
                 if partial.get("partial", ""):
                     silence_frames = 0
+                    speech_started = True
                 else:
                     silence_frames += 1
             
+            # Check detection timeout
+            if not speech_started and i > detection_frames:
+                break
+            
             # Stop if too much silence after speech
             if silence_frames > max_silence_frames:
                 break
@@ -85,7 +94,9 @@ class SpeechRecognizer:
         if text:
             print(f"📝 Распознано: {text}")
         else:
-            print("⚠️ Речь не распознана")
+            # Only print if we weren't just checking for presence of speech
+            if not detection_timeout or speech_started:
+                print("⚠️ Речь не распознана")
         
         return text
     
@@ -109,9 +120,9 @@ def get_recognizer() -> SpeechRecognizer:
     return _recognizer
 
 
-def listen(timeout_seconds: float = 5.0) -> str:
+def listen(timeout_seconds: float = 5.0, detection_timeout: float = None) -> str:
     """Listen to microphone and return transcribed text."""
-    return get_recognizer().listen(timeout_seconds)
+    return get_recognizer().listen(timeout_seconds, detection_timeout)
 
 
 def cleanup():