add more parses and fix minor memory leak

src/memory.c

@@ -3,26 +3,10 @@
 #include <string.h>
 #include <stdlib.h> // for malloc/free (temp arena fallback)
 
-static char* temp_arena = NULL;
-static size_t temp_arena_capacity = 0;
-static size_t temp_arena_offset = 0;
-
-#define TEMP_ARENA_INITIAL_CAPACITY 4096
-
 void ar_memory_init() {
     GC_INIT();
 }
 
-void ar_memory_shutdown() {
-    // No-op for Boehm, but could clean up temp arena here
-    if (temp_arena) {
-        free(temp_arena);
-        temp_arena = NULL;
-        temp_arena_capacity = 0;
-        temp_arena_offset = 0;
-    }
-}
-
 void* ar_alloc(size_t size) {
     return GC_MALLOC(size);
 }