fix: character encoding issues in shell command processor (#1949)

Co-authored-by: Jacob Richman <jacob314@gmail.com>
Co-authored-by: Sandy Tao <sandytao520@icloud.com>

package-lock.json

@@ -3615,6 +3615,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/chardet": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-2.1.0.tgz",
+      "integrity": "sha512-bNFETTG/pM5ryzQ9Ad0lJOTa6HWD/YsScAR3EnCPZRPlQh77JocYktSHOUHelyhm8IARL+o4c4F1bP5KVOjiRA==",
+      "license": "MIT"
+    },
     "node_modules/check-error": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
@@ -11813,6 +11819,7 @@
         "@types/glob": "^8.1.0",
         "@types/html-to-text": "^9.0.4",
         "ajv": "^8.17.1",
+        "chardet": "^2.1.0",
         "diff": "^7.0.0",
         "dotenv": "^17.1.0",
         "glob": "^10.4.5",