replace 'debug.breakpoint' with 'debug.pause'

src/devtools/DebuggingServer.cpp

@@ -213,15 +213,17 @@ bool DebuggingServer::performCommand(
     return false;
 }
 
-void DebuggingServer::onHitBreakpoint(dv::value&& stackTrace) {
+void DebuggingServer::pause(std::string&& message, dv::value&& stackTrace) {
     if (connection == nullptr) {
         return;
     }
-    connection->send(dv::object({
-        {"type", std::string("hit-breakpoint")},
-        {"stack", std::move(stackTrace)}
-    }));
-
+    if (stackTrace != nullptr) {
+        connection->send(dv::object({
+            {"type", std::string("hit-breakpoint")},
+            {"message", std::move(message)},
+            {"stack", std::move(stackTrace)}
+        }));
+    }
     engine.startPauseLoop();
 }
 
@@ -245,10 +247,6 @@ void DebuggingServer::sendValue(
     }));
 }
 
-void DebuggingServer::pause() {
-    engine.startPauseLoop();
-}
-
 void DebuggingServer::setClient(u64id_t client) {
     this->connection =
         std::make_unique<ClientConnection>(engine.getNetwork(), client);