refactor/some core files to .ts + update some imports in commands

package-lock.json

@@ -21,6 +21,7 @@
                 "winston": "^3.8.1"
             },
             "devDependencies": {
+                "@types/concat-stream": "^2.0.3",
                 "@types/node": "^24.5.2",
                 "@typescript-eslint/eslint-plugin": "^8.44.1",
                 "@typescript-eslint/parser": "^8.44.1",
@@ -1635,6 +1636,16 @@
             "dev": true,
             "license": "MIT"
         },
+        "node_modules/@types/concat-stream": {
+            "version": "2.0.3",
+            "resolved": "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-2.0.3.tgz",
+            "integrity": "sha512-3qe4oQAPNwVNwK4C9c8u+VJqv9kez+2MR4qJpoPFfXtgxxif1QbFusvXzK0/Wra2VX07smostI2VMmJNSpZjuQ==",
+            "dev": true,
+            "license": "MIT",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
         "node_modules/@types/estree": {
             "version": "1.0.8",
             "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
@@ -5813,6 +5824,15 @@
             "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
             "dev": true
         },
+        "@types/concat-stream": {
+            "version": "2.0.3",
+            "resolved": "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-2.0.3.tgz",
+            "integrity": "sha512-3qe4oQAPNwVNwK4C9c8u+VJqv9kez+2MR4qJpoPFfXtgxxif1QbFusvXzK0/Wra2VX07smostI2VMmJNSpZjuQ==",
+            "dev": true,
+            "requires": {
+                "@types/node": "*"
+            }
+        },
         "@types/estree": {
             "version": "1.0.8",
             "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",