fix(rivetkit): fix type errors in msgIndex tracking

Author: NathanFlurry

rivetkit-typescript/packages/rivetkit/src/drivers/engine/actor-driver.ts

@@ -633,7 +633,7 @@ export class EngineActorDriver implements ActorDriver {
 				if (hibernatableWs) {
 					// Update msgIndex for next WebSocket open msgIndex restoration
 					const oldMsgIndex = hibernatableWs.msgIndex;
-					hibernatableWs.msgIndex = BigInt(event.rivetMessageIndex);
+					hibernatableWs.msgIndex = event.rivetMessageIndex;
 					hibernatableWs.lastSeenTimestamp = Date.now();
 
 					logger().debug({
@@ -743,7 +743,8 @@ export class EngineActorDriver implements ActorDriver {
 		const actorHandler = this.#actors.get(actorId);
 		if (actorHandler?.actor) {
 			const hibernatableArray =
-				actorHandler.actor[ACTOR_INSTANCE_PERSIST_SYMBOL].hibernatableConns;
+				actorHandler.actor[ACTOR_INSTANCE_PERSIST_SYMBOL]
+					.hibernatableConns;
 			const wsIndex = hibernatableArray.findIndex((conn: any) =>
 				arrayBuffersEqual(conn.hibernatableRequestId, requestIdBuf),
 			);

rivetkit-typescript/packages/rivetkit/src/schemas/actor-persist/versioned.ts

@@ -17,7 +17,7 @@ const migrations = new Map<number, MigrationFn<any, any>>([
 				...conn,
 				hibernatableRequestId: null,
 			})),
-			hibernatableWebSocket: [],
+			hibernatableWebSockets: [],
 		}),
 	],
 	[
@@ -30,7 +30,7 @@ const migrations = new Map<number, MigrationFn<any, any>>([
 			for (const conn of v2Data.connections) {
 				if (conn.hibernatableRequestId) {
 					// Find the matching hibernatable WebSocket
-					const ws = v2Data.hibernatableWebSocket.find((ws) =>
+					const ws = v2Data.hibernatableWebSockets.find((ws) =>
 						Buffer.from(ws.requestId).equals(
 							Buffer.from(conn.hibernatableRequestId!),
 						),