Phase 6-2.4: Fix SuperSlab free SEGV: remove guess loop and add memory readability check; add registry atomic consistency (base as _Atomic uintptr_t with acq/rel); add debug toggles (SUPER_REG_DEBUG/REQTRACE); update CURRENT_TASK with results and next steps; capture suite results.

core/tiny_fastcache.c

@@ -229,6 +229,7 @@ extern __thread uint64_t g_malloc_fast_path_null;
 extern __thread uint64_t g_malloc_slow_path;
 
 void tiny_fast_print_profile(void) {
+#ifndef HAKMEM_FORCE_LIBC_ALLOC_BUILD
     if (!profile_enabled()) return;
     if (g_tiny_malloc_count == 0 && g_tiny_free_count == 0) return;  // No data
 
@@ -300,4 +301,5 @@ void tiny_fast_print_profile(void) {
     }
 
     fprintf(stderr, "===================================================================\n\n");
+#endif  // !HAKMEM_FORCE_LIBC_ALLOC_BUILD
 }