refactor: Entire code base, thread and log usage

Boils down to:
- Include headers
- Reduce boiler plate with helpers
- Swap out explicit usages with core API layer
  and ensure the right API is configured beforehand

src/main/cconfig/cmd.c

@@ -7,8 +7,9 @@
 
 #include "cconfig/cmd.h"
 
+#include "core/log.h"
+
 #include "util/hex.h"
-#include "util/log.h"
 #include "util/str.h"
 
 static void