fix: Resolve remaining TypeScript errors

Signed-off-by: Hermes Agent <hermes@nosuchhost>

client/node_modules/.package-lock.json

@@ -584,6 +584,20 @@
         "linux"
       ]
     },
+    "node_modules/@rollup/rollup-linux-x64-musl": {
+      "version": "4.62.0",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.62.0.tgz",
+      "integrity": "sha512-eRZevouTH2i1HeAVLqJuLnt256krQkGY0TN6WsTmsIhuzbh457HuWDMakKwmi0Cjadux983CoSr8Lim2QhUIFw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -643,6 +657,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/node": {
+      "version": "25.9.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
+      "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": ">=7.24.0 <7.24.7"
+      }
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.15",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
@@ -2712,6 +2736,13 @@
         "typescript": ">=4.8.4 <6.1.0"
       }
     },
+    "node_modules/undici-types": {
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.2.3.tgz",