chore: update deps and add TypeScript null safety checks

frontend-vue/package.json

@@ -12,27 +12,27 @@
     "format": "prettier --write src/"
   },
   "dependencies": {
-    "vue": "^3.5.13",
-    "vue-router": "^4.4.5",
-    "pinia": "^2.3.0",
-    "idb-keyval": "^6.2.1",
-    "@vueuse/core": "^11.3.0",
-    "@vueuse/sound": "^2.0.1"
+    "vue": "^3.5.25",
+    "vue-router": "^4.6.3",
+    "pinia": "^3.0.4",
+    "idb-keyval": "^6.2.2",
+    "@vueuse/core": "^14.1.0",
+    "@vueuse/sound": "^2.1.3"
   },
   "devDependencies": {
-    "@types/node": "^22.10.2",
-    "@vitejs/plugin-vue": "^5.2.1",
-    "@vue/tsconfig": "^0.7.0",
-    "typescript": "^5.7.2",
-    "vite": "^6.0.5",
-    "vue-tsc": "^2.1.10",
-    "vite-plugin-pwa": "^0.21.2",
-    "@typescript-eslint/eslint-plugin": "^8.18.2",
-    "@typescript-eslint/parser": "^8.18.2",
-    "@vue/eslint-config-prettier": "^10.1.0",
-    "@vue/eslint-config-typescript": "^14.1.3",
-    "eslint": "^9.17.0",
-    "eslint-plugin-vue": "^9.32.0",
-    "prettier": "^3.4.2"
+    "@types/node": "^24.10.1",
+    "@vitejs/plugin-vue": "^6.0.2",
+    "@vue/tsconfig": "^0.8.1",
+    "typescript": "^5.9.3",
+    "vite": "^7.2.6",
+    "vue-tsc": "^3.1.5",
+    "vite-plugin-pwa": "^1.2.0",
+    "@typescript-eslint/eslint-plugin": "^8.48.1",
+    "@typescript-eslint/parser": "^8.48.1",
+    "@vue/eslint-config-prettier": "^10.2.0",
+    "@vue/eslint-config-typescript": "^14.6.0",
+    "eslint": "^9.39.1",
+    "eslint-plugin-vue": "^10.6.2",
+    "prettier": "^3.7.3"
   }
 }