refactoring: TypeScript migration, security fixes,

client/package-lock.json

@@ -26,11 +26,13 @@
         "@types/leaflet": "^1.9.8",
         "@types/react": "^18.2.61",
         "@types/react-dom": "^18.2.19",
+        "@types/react-window": "^1.8.8",
         "@vitejs/plugin-react": "^4.2.1",
         "autoprefixer": "^10.4.18",
         "postcss": "^8.4.35",
         "sharp": "^0.33.0",
         "tailwindcss": "^3.4.1",
+        "typescript": "^6.0.2",
         "vite": "^5.1.4",
         "vite-plugin-pwa": "^0.21.0"
       }
@@ -3266,6 +3268,16 @@
         "@types/react": "^18.0.0"
       }
     },
+    "node_modules/@types/react-window": {
+      "version": "1.8.8",
+      "resolved": "https://registry.npmjs.org/@types/react-window/-/react-window-1.8.8.tgz",
+      "integrity": "sha512-8Ls660bHR1AUA2kuRvVG9D/4XpRC6wjAaPT9dil7Ckc76eP9TKWZwwmgfq8Q1LANX3QNDnoU4Zp48A3w+zK69Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/react": "*"
+      }
+    },
     "node_modules/@types/resolve": {
       "version": "1.20.2",
       "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.20.2.tgz",
@@ -7534,6 +7546,20 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/typescript": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/unbox-primitive": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.1.0.tgz",