fixes that made it work

components/user_app/alert.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    ALERT_SERVICE_DOWN = 0,
+    ALERT_HIGH_TEMP,
+    ALERT_WS_DISCONNECT,
+    ALERT_CONNECT_OK,
+    ALERT_TYPE_COUNT,
+} alert_type_t;
+
+void alert_init(void);
+void alert_set_codec(void *codec);
+void alert_trigger(alert_type_t type);
+void alert_mute(bool muted);
+bool alert_is_muted(void);
+
+#ifdef __cplusplus
+}
+#endif