api for sending wota messages direct

source/cell.h

@@ -4,6 +4,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include "wota.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -1150,6 +1151,19 @@ JSValue CELL_USE_NAME(JSContext *js) { \
 #define CELL_PROGRAM_INIT(c) \
 JSValue CELL_USE_NAME(JSContext *js) { do { c ; } while(0); }
 
+/* ============================================================
+   WOTA Message Sending — C modules can send messages to actors
+   without needing a JSContext.
+   ============================================================ */
+
+/* Check whether an actor with the given ID exists. */
+int JS_ActorExists(const char *actor_id);
+
+/* Send a WOTA-encoded message to an actor by ID.
+   Takes ownership of wb's data on success (caller must not free).
+   On failure returns an error string; caller must free wb. */
+const char *JS_SendMessage(const char *actor_id, WotaBuffer *wb);
+
 #undef js_unlikely
 #undef inline
 

source/scheduler.c

@@ -1054,3 +1054,31 @@ JSValue actor_remove_timer(JSContext *actor, uint32_t timer_id)
   // Note: We don't remove from heap, it will misfire safely
   return cb;
 }
+
+int JS_ActorExists(const char *actor_id)
+{
+  return actor_exists(actor_id);
+}
+
+const char *JS_SendMessage(const char *actor_id, WotaBuffer *wb)
+{
+  if (!wb || !wb->data || wb->size == 0)
+    return "Empty WOTA buffer";
+
+  size_t byte_len = wb->size * sizeof(uint64_t);
+  blob *msg = blob_new(byte_len * 8);
+  if (!msg) return "Could not allocate blob";
+
+  blob_write_bytes(msg, wb->data, byte_len);
+  blob_make_stone(msg);
+
+  const char *err = send_message(actor_id, msg);
+  if (!err) {
+    /* Success — send_message took ownership of the blob.
+       Free the WotaBuffer internals since we consumed them. */
+    wota_buffer_free(wb);
+  }
+  /* On failure, send_message already destroyed the blob.
+     Caller still owns wb and must free it. */
+  return err;
+}