Add ingest adapter seam and IBKR stub

services/ingest-options/src/adapters/ibkr.ts

@@ -0,0 +1,20 @@
+import type { OptionIngestAdapter, OptionIngestHandlers } from "./types";
+
+type IbkrOptionsAdapterConfig = {
+  host: string;
+  port: number;
+  clientId: number;
+};
+
+export const createIbkrOptionsAdapter = (
+  config: IbkrOptionsAdapterConfig
+): OptionIngestAdapter => {
+  return {
+    name: "ibkr",
+    start: (_handlers: OptionIngestHandlers) => {
+      throw new Error(
+        `IBKR adapter not implemented. Requested ${config.host}:${config.port} clientId=${config.clientId}.`
+      );
+    }
+  };
+};