Apply pending weather-sat and wefax updates

routes/wefax.py

@@ -28,16 +28,29 @@ _wefax_queue: queue.Queue = queue.Queue(maxsize=100)
 wefax_active_device: int | None = None
 
 
-def _progress_callback(data: dict) -> None:
-    """Callback to queue progress updates for SSE stream."""
-    try:
-        _wefax_queue.put_nowait(data)
-    except queue.Full:
-        try:
-            _wefax_queue.get_nowait()
-            _wefax_queue.put_nowait(data)
-        except queue.Empty:
-            pass
+def _progress_callback(data: dict) -> None:
+    """Callback to queue progress updates for SSE stream."""
+    global wefax_active_device
+
+    try:
+        _wefax_queue.put_nowait(data)
+    except queue.Full:
+        try:
+            _wefax_queue.get_nowait()
+            _wefax_queue.put_nowait(data)
+        except queue.Empty:
+            pass
+
+    # Ensure manually claimed SDR devices are always released when a
+    # decode session ends on its own (complete/error/stopped).
+    if (
+        isinstance(data, dict)
+        and data.get('type') == 'wefax_progress'
+        and data.get('status') in ('complete', 'error', 'stopped')
+        and wefax_active_device is not None
+    ):
+        app_module.release_sdr_device(wefax_active_device)
+        wefax_active_device = None
 
 
 @wefax_bp.route('/status')