adds Anthropic's SOTA Haiku model; misc code cleanup

package.json

@@ -43,7 +43,7 @@
     "node-schedule": "^2.1.1",
     "pino": "^8.11.0",
     "pino-http": "^8.3.3",
-    "sanitize-html": "^2.11.0",
+    "sanitize-html": "2.12.1",
     "sharp": "^0.32.6",
     "showdown": "^2.1.0",
     "source-map-support": "^0.5.21",
@@ -73,7 +73,7 @@
     "pino-pretty": "^10.2.3",
     "prettier": "^3.0.3",
     "ts-node": "^10.9.1",
-    "typescript": "^5.1.3"
+    "typescript": "^5.4.2"
   },
   "overrides": {
     "google-gax": "^3.6.1",