Add signed FEC stream core and source buffering

lib/debug_config.h

@@ -74,7 +74,8 @@ typedef int debug_category_t;
 #define DEBUG_CATEGORY_RADIO      33  // Radio — PTT walkie-talkie multicast (voice)
 #define DEBUG_CATEGORY_VAD        34  // VAD — Silero voice activity detector (ONNX Runtime)
 #define DEBUG_CATEGORY_AEC        35  // AEC — acoustic echo cancellation (SpeexDSP)
-#define DEBUG_CATEGORY_COUNT      36  // Total number of categories
+#define DEBUG_CATEGORY_STREAM     36  // Подписанные потоки, FEC, буферы и выбор поставщиков
+#define DEBUG_CATEGORY_COUNT      37  // Total number of categories
 #define DEBUG_CATEGORY_ALL         (-1) // special value for all categories
 
 /* Debug configuration structure */