feat: add EventSource polyfill for Node.js and update dependencies

Author: tiero

cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "clw-cash",
-  "version": "0.1.32",
+  "version": "0.1.33",
   "description": "Bitcoin & Stablecoin agent wallet CLI. Keys held in a secure enclave.",
   "type": "module",
   "bin": {
@@ -25,6 +25,7 @@
     "@scure/base": "^2.0.0",
     "@scure/btc-signer": "^2.0.1",
     "better-sqlite3": "^12.6.2",
+    "eventsource": "^4.1.0",
     "minimist": "^1.2.8"
   },
   "devDependencies": {

cli/src/index.ts

@@ -1,3 +1,9 @@
+// Polyfill EventSource for Node.js (used by @arkade-os/sdk ContractWatcher via SSE)
+import { EventSource } from "eventsource";
+if (typeof globalThis.EventSource === "undefined") {
+  (globalThis as unknown as Record<string, unknown>).EventSource = EventSource;
+}
+
 import minimist from "minimist";
 import type { ExtendedVirtualCoin, IncomingFunds } from "@arkade-os/sdk";
 import { VtxoManager } from "@arkade-os/sdk";