Increase the max duration of session to 90 seconds

app.py

@@ -31,7 +31,7 @@ SAMPLE_RATE = 16_000
 WARMUP_DURATION = 2.0  # seconds of silence for warmup
 WPM_WINDOW = 10  # seconds for running mean calculation
 CALIBRATION_PERIOD = 5  # seconds before showing WPM
-SESSION_TIMEOUT = int(os.environ.get("SESSION_TIMEOUT", "35"))      # Max 30s per session
+SESSION_TIMEOUT = int(os.environ.get("SESSION_TIMEOUT", "95"))      # Max 90s per session
 INACTIVITY_TIMEOUT = int(os.environ.get("INACTIVITY_TIMEOUT", "10"))  # Close after 10s silence
 MAX_CONCURRENT_SESSIONS = int(os.environ.get("MAX_SESSIONS", "50"))
 
@@ -53,8 +53,8 @@ _sessions_lock = threading.Lock()
 _session_registry = {}
 _registry_lock = threading.Lock()
 _last_cleanup = time.time()
-SESSION_REGISTRY_CLEANUP_INTERVAL = 30  # seconds
-SESSION_MAX_AGE = 30  # 30 seconds - remove sessions older than this
+SESSION_REGISTRY_CLEANUP_INTERVAL = 90  # seconds
+SESSION_MAX_AGE = 90  # 90 seconds - remove sessions older than this
 
 
 def get_or_create_session(session_id: str = None) -> "UserSession":