feat: publish Dever core with project scaffolding and versioned AI skills

test/native-runtime-abi/driver-fixture.c

@@ -0,0 +1,42 @@
+#include "../../crates/dever-backend-bridge/include/runtime.h"
+#include <pthread.h>
+#include <stdlib.h>
+
+static int initialized;
+static size_t calls;
+static pthread_key_t cache_key;
+static pthread_once_t cache_once = PTHREAD_ONCE_INIT;
+
+#if DEVER_LEDGER_SCENARIO == 1
+static void *volatile leaked;
+#endif
+
+static void create_cache_key(void) {
+    if (pthread_key_create(&cache_key, free) != 0) abort();
+}
+
+uint32_t dever_rt_v1_process_init(void) {
+    initialized = 1;
+    return DEVER_RT_OK;
+}
+
+int dever_test_run(void) {
+    if (!initialized) return 9;
+    ++calls;
+    /* Deterministically initialize TLS after warmup, as a later full queue can. */
+    if (calls > 1) {
+        if (pthread_once(&cache_once, create_cache_key) != 0) abort();
+        if (pthread_getspecific(cache_key) == NULL) {
+            void *cache = malloc(48);
+            if (cache == NULL || pthread_setspecific(cache_key, cache) != 0) abort();
+        }
+    }
+#if DEVER_LEDGER_SCENARIO == 1
+    /* Keep the allocation observable to the optimizer and deliberately leak it. */
+    leaked = malloc(1);
+    if (leaked == NULL) abort();
+#elif DEVER_LEDGER_SCENARIO == 2
+    if (calls > 1) return 7;
+#endif
+    return 0;
+}