In packaged Electron builds, `process.argv[1]` is undefined (Electron loads
the main script via package.json `main`, not via argv), so the bottom-of-file
guard never invoked `run()` and the app started without creating a window.
Also build the dashboard client with `--base ./` so its `file://`-loaded
index.html resolves `./assets/*` from inside the asar instead of the
filesystem root, which was producing a blank white window.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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