Infrastructure and build updates

- Update build configuration and flags
- Add missing header files and dependencies
- Update TLS list implementation with proper scoping
- Fix various compilation warnings and issues
- Update debug ring and tiny allocation infrastructure
- Update benchmark results documentation

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

core/hakmem_tiny_init.inc

@@ -108,6 +108,13 @@ void hak_tiny_init(void) {
     if (superslab_env) {
         g_use_superslab = (atoi(superslab_env) != 0) ? 1 : 0;
     }
+
+    // Initialize Super Front Cache (SFC) with bench-friendly defaults
+    // Enabled by default; can be disabled via HAKMEM_SFC_ENABLE=0
+    {
+        extern void sfc_init(void);
+        sfc_init();
+    }
     // Note: Diet mode no longer overrides g_use_superslab (removed lines 104-105)
     // SuperSlab defaults to 1 unless explicitly disabled via env var
     // One-shot hint: publish/adopt requires SuperSlab ON