fix

io/ipc.h

@@ -2,6 +2,9 @@
 
 #include <stdint.h>
 #include <pthread.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <stdio.h>
 
 #define IPC_SOCKET_PATH "/tmp/ipc_demo.sock"
 #define IPC_BACKLOG 1
@@ -13,7 +16,7 @@ typedef struct {
     volatile int running;
     ipc_client_fn handler;
     pthread_t _tid;       /* internal — do not touch */
-    const char* socket_path;
+    char* socket_path;
 } ipc_ctx_t;
 int create_ipc(ipc_ctx_t *ctx, ipc_client_fn handler, const char* socket_path);
 void destroy_ipc(ipc_ctx_t *ctx);