Adding some wiring to allow the Ink app to warn if there are local development changes that haven't been captured in the recent build of the Gemini CLI.

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "build": "npm run build --workspaces",
     "test": "npm run test --workspaces",
-    "start": "npm run start --workspace=gemini-code-cli -- \"$@\"",
+    "start": "node ./scripts/check-build-status.js && npm run start --workspace=gemini-code-cli -- \"$@\"",
     "lint": "eslint .",
     "format": "prettier --write ."
   },