debug: add PROXY category, move all proxy logs to it

lib/debug_config.c

@@ -126,6 +126,7 @@ static const struct {
     {"etcp_dump", DEBUG_CATEGORY_ETCP_DUMP},
     {"chat_sync", DEBUG_CATEGORY_CHAT_SYNC},
     {"member_sync", DEBUG_CATEGORY_MEMBER_SYNC},
+    {"proxy", DEBUG_CATEGORY_PROXY},
     {"all", DEBUG_CATEGORY_ALL},
     {NULL, DEBUG_CATEGORY_NONE}
 };

lib/debug_config.h

@@ -66,7 +66,8 @@ typedef int debug_category_t;
 // #define DEBUG_CATEGORY_CONNECTIVITY 25 (unused, removed)
 #define DEBUG_CATEGORY_CHAT_SYNC    26  // Message DB sync (INIT_SYNC, PUSH, chain hash, recalc)
 #define DEBUG_CATEGORY_MEMBER_SYNC 27  // Member + address + merkle sync
-#define DEBUG_CATEGORY_COUNT       28  // Total number of categories
+#define DEBUG_CATEGORY_PROXY      28  // Proxy modules (SOCKS5, TCP, UDP, ICMP)
+#define DEBUG_CATEGORY_COUNT      29  // Total number of categories
 #define DEBUG_CATEGORY_ALL         (-1) // special value for all categories
 
 /* Debug configuration structure */