Feature Implemented: Warning displayed when frontend version mismatches (#4363)

Co-authored-by: bymyself <cbyrne@comfy.org>
Co-authored-by: Claude <noreply@anthropic.com>

package.json

@@ -40,6 +40,7 @@
     "@types/fs-extra": "^11.0.4",
     "@types/lodash": "^4.17.6",
     "@types/node": "^20.14.8",
+    "@types/semver": "^7.7.0",
     "@types/three": "^0.169.0",
     "@vitejs/plugin-vue": "^5.1.4",
     "@vue/test-utils": "^2.4.6",
@@ -107,6 +108,7 @@
     "pinia": "^2.1.7",
     "primeicons": "^7.0.0",
     "primevue": "^4.2.5",
+    "semver": "^7.7.2",
     "three": "^0.170.0",
     "tiptap-markdown": "^0.8.10",
     "vue": "^3.5.13",