Add fetch and stream to temporary file

package.json

@@ -3,6 +3,7 @@
   "version": "0.0.1",
   "description": "PIS Data Ingress for OwlBoard",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -18,10 +19,15 @@
   "author": "Frederick Boniface",
   "license": "SEE LICENSE IN LICENSE",
   "dependencies": {
-    "@owlboard/backend-data-contracts": "^0.0.1"
+    "@bufbuild/protobuf": "^2.10.2",
+    "@owlboard/backend-data-contracts": "^0.0.1",
+    "readline": "^1.3.0",
+    "xxhashjs": "^0.2.2"
   },
   "devDependencies": {
     "@types/node": "^25.0.3",
+    "@types/xxhashjs": "^0.2.4",
+    "tsx": "^4.21.0",
     "typescript": "^5.9.3"
   }
 }