feat: add native/Java auth SDK, docs, CI, and examples

Made-with: Cursor

examples/cpp/main.cpp

@@ -0,0 +1,25 @@
+/*
+ * C++ 调用示例：初始化、校验许可、销毁句柄。
+ *
+ * 版权所有 © 广州创飞人工智能技术有限公司
+ * 开发者：huangping@craftlabs.cn
+ */
+#include "craftlabs_auth.h"
+
+#include <cstdio>
+#include <cstdlib>
+
+int main() {
+    AuthHandle h = auth_initialize("{}");
+    if (!h) {
+        return EXIT_FAILURE;
+    }
+    AuthResult r = auth_check_license(h);
+    if (r.success == 0) {
+        auth_destroy(h);
+        return EXIT_FAILURE;
+    }
+    auth_destroy(h);
+    std::printf("example cpp ok\n");
+    return EXIT_SUCCESS;
+}