replaces eventstream lib to (hopefully) fix interrupted AWS streams

package.json

@@ -19,9 +19,11 @@
   "dependencies": {
     "@anthropic-ai/tokenizer": "^0.0.4",
     "@aws-crypto/sha256-js": "^5.1.0",
+    "@smithy/eventstream-codec": "^2.1.1",
     "@smithy/protocol-http": "^3.0.6",
     "@smithy/signature-v4": "^2.0.10",
     "@smithy/types": "^2.3.4",
+    "@smithy/util-utf8": "^2.1.1",
     "axios": "^1.3.5",
     "check-disk-space": "^3.4.0",
     "cookie-parser": "^1.4.6",
@@ -35,7 +37,6 @@
     "firebase-admin": "^11.10.1",
     "googleapis": "^122.0.0",
     "http-proxy-middleware": "^3.0.0-beta.1",
-    "lifion-aws-event-stream": "^1.0.7",
     "memorystore": "^1.6.7",
     "multer": "^1.4.5-lts.1",
     "node-schedule": "^2.1.1",